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SCHEMPP-HIRTH FLUGZEUGBAU GmbH, KIRCHHEIM/TECK

Ventus-3T „Sport“

FLIGHT MANUAL

April 2018
Revision –

7.12.2.1

7.12.2 Power plant

The engine features a single-ignition system by means of magnetos (contact-less).

A 12 V power source, located at the base of the instrument panel as shown on
page 7.12.2.2 is only necessary for pylon spindle drive and the engine control unit
with its RPM-indicator.

This power source is controlled by the main switch and its voltage is displayed by
the engine control unit.

By using a selector switch, it may also be used for the gliding avionics.

Содержание Ventus-3T Sport

Страница 1: ...p r i l 2 0 1 8 This flight manual has been approved by EASA with Type certificate EASA A 627 on July the 20th 2018 This powered sailplane is to be operated in compliance with information and limitat...

Страница 2: ...the present manual except actual weighing data must be recorded in the following table The new or amended text in the revised page will be indicated by a black vertical line in the left hand margin t...

Страница 3: ...of Insertion Signature 1 0 4 0 1 2 0 2 4 4 5 3 2 Dez Dec 2019 TM 627 1 nderung des Flughandbuchs und des Wartungshandbuchs TN 627 1 Amendment of the Flight Manual and the Maintenance Manual B MB nder...

Страница 4: ...chnis der Seiten List of effective pages Abschnitt Affected section Seite Affected pages Ausgabedatum Date of issue Bezug Reference 0 0 1 1 0 1 2 0 2 1 0 2 2 0 2 3 0 2 4 0 2 5 0 2 6 0 2 7 0 2 8 0 3 1...

Страница 5: ...e pages Abschnitt Affected section Seite Affected pages Ausgabedatum Date of issue Bezug Reference 1 1 0 1 1 1 1 1 2 1 1 3 1 1 4 1 1 4 2 1 4 3 1 4 4 1 5 1 April 2018 April 2018 April 2018 April 2018 A...

Страница 6: ...CS 22 2 12 2 1 CS 22 2 13 1 CS 22 2 14 1 CS 22 2 15 1 3 0 1 3 1 1 CS 22 3 2 1 CS 22 3 3 1 CS 22 3 4 1 CS 22 3 5 1 CS 22 3 6 1 CS 22 3 7 1 CS 22 3 8 1 CS 22 3 9 1 CS 22 3 9 2 CS 22 3 9 3 April 2018 Ap...

Страница 7: ...1 2 CS 22 4 5 1 3 CS 22 4 5 1 4 CS 22 4 5 2 1 CS 22 4 5 3 1 CS 22 4 5 3 2 CS 22 4 5 3 3 CS 22 4 5 3 4 CS 22 4 5 3 5 CS 22 4 5 3 6 CS 22 4 5 4 1 CS 22 4 5 4 2 CS 22 4 5 4 3 CS 22 4 5 4 4 CS 22 4 5 4 5...

Страница 8: ...4 CS 22 4 5 5 1 CS 22 4 5 5 2 CS 22 4 5 5 3 CS 22 4 5 6 1 CS 22 4 5 7 1 CS 22 4 5 7 2 CS 22 4 5 7 3 CS 22 4 5 7 4 CS 22 4 5 7 5 CS 22 4 5 7 6 CS 22 4 5 8 1 CS 22 4 5 9 1 CS 22 4 5 10 1 CS 22 4 5 11 1...

Страница 9: ...CS 22 5 2 2 1 CS 22 5 2 3 1 CS 22 5 2 4 1 5 3 1 1 5 3 2 1 5 3 2 2 5 3 3 1 5 3 3 2 5 3 4 1 6 0 1 6 1 1 6 2 1 6 2 1 1 6 2 2 1 6 2 3 1 6 2 4 1 6 2 5 1 6 2 5 2 April 2018 April 2018 April 2018 April 2018...

Страница 10: ...5 7 2 6 7 3 1 7 3 2 7 3 3 7 3 4 7 3 5 7 3 6 7 3 7 7 3 8 7 3 9 7 3 10 7 3 11 7 3 12 7 3 13 7 3 14 7 3 15 7 3 16 7 3 17 April 2018 April 2018 April 2018 April 2018 April 2018 April 2018 April 2018 Apri...

Страница 11: ...2 7 12 1 1 7 12 1 2 7 12 2 1 7 12 2 2 7 13 1 7 13 2 8 0 1 8 1 1 8 2 1 8 2 2 8 3 1 8 4 1 8 5 1 8 5 2 9 0 1 9 1 1 9 2 1 April 2018 April 2018 April 2018 April 2018 April 2018 April 2018 April 2018 April...

Страница 12: ...t FLIGHT MANUAL April 2018 Revision 0 3 1 0 3 Table of contents Section General 1 Limitations 2 Emergency procedures 3 Normal procedures 4 Performance 5 Weight balance 6 Aircraft and systems descripti...

Страница 13: ...GmbH KIRCHHEIM TECK Ventus 3T Sport FLIGHT MANUAL April 2018 Revision 1 0 1 Section 1 1 General 1 1 Introduction 1 2 Certification basis 1 3 Warnings cautions and notes 1 4 Description and technical...

Страница 14: ...de pilots and instructors with all necessary information for the safe and efficient operation of the powered sailplane This manual includes at first all the material that needs to be provided to the p...

Страница 15: ...launching powered sailplane model designation V e n t u s 3 T has been approved by the European Aviation Safety Agency EASA in compliance with the airworthiness requirements contained in CS 22 Amendm...

Страница 16: ...ation of the indicated procedure leads to an immediate or important degradation of the flight safety CAUTION means that the non observation of the indicated procedure leads to a minor or to a more or...

Страница 17: ...0 US Gal 39 1 IMP Gal The wing shells are a CFRP foam sandwich construction with spar flanges of carbon fiber rovings and shear webs made from GFRP foam sandwich Fuselage The pilot has a semi recline...

Страница 18: ...sandwich On request a water ballast trim tank with a capacity of 7 8 liter 2 06 US Gal 1 72 IMP Gal can be integrated in the fin The dumping valve in the water ballast trim tank in the vertical fin i...

Страница 19: ...R Throttle or choke are not required as the engine is preset to operate at max continuous power The engine is stopped by shutting off the ignition After shutting off the ignition the engine control un...

Страница 20: ...ect ratio 29 90 MAC 0 602 m 1 98 ft Fuselage Length 6 63 m 21 75 ft Width 0 59 m 1 94 ft Height 0 76 m 2 49 ft Mass Empty mass approx 340 kg 749 5 lb With power plant 310 kg removed 693 4 lb Maximum a...

Страница 21: ...SCHEMPP HIRTH FLUGZEUGBAU GmbH KIRCHHEIM TECK Ventus 3T Sport FLIGHT MANUAL April 2018 Revision 1 5 1 1 5 Three side view...

Страница 22: ...2 Airspeed 2 3 Airspeed indicator markings 2 4 Power plant fuel and oil 2 5 Power plant instrument markings 2 6 Weights masses 2 7 Center of gravity 2 8 Approved maneuvers 2 9 Maneuvering load factor...

Страница 23: ...1 1 2 Limitations 2 1 Introduction This section includes operating limitations instrument markings and basic placards necessary for safely operating the aircraft its standard systems and its standard...

Страница 24: ...this speed while flying in strong turbulence Strong turbulence is met in lee wave rotors thunderclouds etc VA Maneuvering speed 180 km h 97 kt 112 mph Do not make full or abrupt control movements abo...

Страница 25: ...ot exceed this speed during a winch launch Vmax1 Vmax2 Maximum speed with power plant extended and with ignition ON ignition OFF 150 km h 81 kt 93 mph 180 km h 97 kt 112 mph Do not exceed this speed w...

Страница 26: ...flown with caution Green arc 103 180 km h 56 97 kt 64 112 mph Normal operating range lower limit is 1 1 times VS1 at maximum mass with c g in the most forward position and flaps at the neutral positio...

Страница 27: ...peller manufacturer TECHNOFLUG Leichtflugzeugbau GmbH Co KG 78713 Schramberg Germany All performance data of the engine refer to NN und ISA Propeller model OE FL 5 83 83a5 v92 Reduction ratio 1 1 Engi...

Страница 28: ...t operating limits shown on the instrument and the corresponding colour code significance are shown below Engine control unit Display Normal range Caution range Limit RPM Indicator LCD Display 4000 55...

Страница 29: ...nd landing mass 508 kg without water ballast and without power plant 1120 lb Minimum permitted flight mass 401 kg with installed power plant 884 lb Minimum permitted flight mass 368 kg without power p...

Страница 30: ...rd c g position 290 mm 11 42 in aft of datum plane power plant installed 300 mm 11 81 in aft of datum plane power plant NOT installed Maximum rearward c g position 430 mm 16 93 in aft of datum It is e...

Страница 31: ...GmbH KIRCHHEIM TECK Ventus 3T Sport FLIGHT MANUAL April 2018 CS 22 Revision 2 8 1 2 8 Approved maneuvers The powered sailplane is certified in category Utility non self launching Warning Aerobatic ma...

Страница 32: ...2 Revision 2 9 1 2 9 Maneuvering load factors The following maneuvering load factors must not be exceeded o With airbrakes retracted at VA 180 km h 97 kt 112 mph nA 5 3 nG 2 65 at VNE 280 km h 151 kt...

Страница 33: ...ision 2 10 1 2 10 Flight crew The powered sailplane is single seated Observe the minimum seat load In case the minimum seat load can t be achieved ballast must be installed to compensate this to a per...

Страница 34: ...Sport FLIGHT MANUAL April 2018 CS 22 Revision 2 11 1 2 11 Kinds of operation This powered sailplane is approved for o VFR flying in daytime o cloud flying up to a maximum mass of 490 kg 1080 lb with t...

Страница 35: ...s complying with page 2 3 1 1 Altimeter 1 Outside air temperature indicator OAT with sensor when flying with water ballast red line at 2 C 35 6 F 1 Magnetic compass 1 Engine control unit with RPMs ind...

Страница 36: ...ip ball 1x Variometer 1x VHF Transceiver Recommended additional equipment for cloud flying 1 Artificial horizon 1 Clock Warning Cloud flying is only permissible under following conditions o without wa...

Страница 37: ...kt 112 mph Weak link in tow rope max 660 daN max 1484 lb Minimum length of tow rope 30 m 98 ft Tow rope material Hemp or Nylon Warning Only permissible on nose tow hook and with retracted power plant...

Страница 38: ...ction program for the extension of the allowed service time If the results of this special inspection possibly after proper repair of detected defects are satisfactory the allowed service time is incr...

Страница 39: ...TECK Ventus 3T Sport FLIGHT MANUAL April 2018 CS 22 Revision 2 15 1 2 15 Limitation placards possible discrepancies from this see page 6 2 2 1 and 6 2 3 1 must be registered Note For further placards...

Страница 40: ...Sport FLIGHT MANUAL April 2018 Revision 3 0 1 Section 3 3 Emergency procedures 3 1 Introduction 3 2 Canopy jettisoning 3 3 Bailing out 3 4 Stall recovery 3 5 Spin recovery 3 6 Spiral dive recovery 3...

Страница 41: ...NUAL April 2018 Revision 3 1 1 3 Emergency procedures 3 1 Introduction This section provides check lists and recommended procedures for dealing with emergencies that may occur Emergency situations can...

Страница 42: ...1 3 2 Jettisoning the canopy o Stop and retract the power plant if possible o Swing red locking lever situated on the canopy frame on the left backward about 90 up to its stop o Swing canopy sideways...

Страница 43: ...d retracted o After jettisoning the canopy see page 3 2 1 the bailing out is done as follows Actuate release buckle of restraint system Bend upper part of body slightly forward Grab canopy coaming fra...

Страница 44: ...aviour is only marginally influenced by the power plant Warning When stalling with extended power plant and ignition off the vibration in the controls are superimposed from the turbulent airflow produ...

Страница 45: ...p settings and high all up masses a resetting of the flaps at 0 may be required to avoid exceeding the speed limits for positive flap settings when pulling out of the dive Spinning with the center of...

Страница 46: ...sing the control stick forward and applying opposite rudder and aileron Warning When pulling out of the dive the limiting airspeed for the various flap settings if necessary reset flaps at 0 and the p...

Страница 47: ...ine failure From experience gained to date with the installed engine no carburetor icing has occurred yet Should the engine fail in flight due to the lack of fuel or a defect retract it as quickly as...

Страница 48: ...sion 3 8 1 3 8 Engine fire In case of engine fire the following actions should be taken o CLOSE fuel shut off valve o Leave power plant in extended position o Master switch OFF o Ignition OFF Warning...

Страница 49: ...lve the dumping process should be stopped in order not to increase the asymmetry When landing in this condition the touch down speed must be increased by about 10 km h 5 kt 6 mph and the pilot must be...

Страница 50: ...ing only the aileron as described Emergency landing with retracted undercarriage An emergency landing with the main wheel retracted is on principle not recommended because the potential energy absorpt...

Страница 51: ...mergency landing on water According to the experiences made until today proceeding as follows is recommended Approach o Land parallel to the shore o Undercarriage extended o Ventilation system closed...

Страница 52: ...4 2 4 Fuel draining 4 2 5 Power plant removal and re installation 4 3 Inspections 4 3 1 Daily inspection 4 3 2 Inspection after installing the power plant 4 4 Pre flight inspection 4 5 Normal procedur...

Страница 53: ...GZEUGBAU GmbH KIRCHHEIM TECK Ventus 3T Sport FLIGHT MANUAL April 2018 Revision 4 0 2 4 5 7 Flight with water ballast 4 5 8 High altitude flight 4 5 9 Flight at low temperatures 4 5 10 Flight in rain 4...

Страница 54: ...1 4 Normal operating procedures 4 1 Introduction This section provides check lists for conducting the daily and pre flight inspection Furthermore this section describes normal operating procedures and...

Страница 55: ...d into fuselage cut out Concentrate on lifting the trailing edge more than the leading edge also to avoid the aft locating pin get canted in the fuselage bearing o Check that the spar stub tip is inse...

Страница 56: ...rd wing panels o Take round headed rigging tool screw it into wing pin locking lever on outbd panel and swing the latter upwards o Thereafter slide outboard panel onto spar stub of inboard panel until...

Страница 57: ...ol o The locating pin must not protrude in front of the leading edge of the fin o Check whether the elevator actuating pins are really inserted correctly by moving the elevator and if the horizontal t...

Страница 58: ...htly and pull the tailplane forward and off Outboard wing panels o Force the spring loaded locking pin of the winglet with the mounting pin down and pull the winglet from the outboard wing panel o Swi...

Страница 59: ...the internal electrical fuel pump After refuelling the quick disconnect coupling shuts the fuel line automatically when disconnecting it so there is no danger of spilling fuel To read the fuel quantit...

Страница 60: ...the LCD display of the engine control unit until it shows C A L _ thereafter hold the menu button for 3 seconds to start the calibration process If the calibration has been successfully completed the...

Страница 61: ...3T Sport FLIGHT MANUAL April 2018 CS 22 Revision 4 2 4 1 4 2 4 Draining the fuel tanks Fuselage fuel tank Only a fuselage fuel tank is provided which can be drained The drain valve is found on the bo...

Страница 62: ...t be re determined and together with further data be entered in the weight balance log sheet The removal and the reinstallation of the power plant has to be released to service Removing the power plan...

Страница 63: ...bolts such that the spacing between the rubber shock mounts is as follows see also sketch on page 4 2 5 3 Upper shock mounts 26 5 0 5mm 1 04 0 2 in o Secure upper engine mounting bolts using a cotter...

Страница 64: ...SCHEMPP HIRTH FLUGZEUGBAU GmbH KIRCHHEIM TECK Ventus 3T Sport FLIGHT MANUAL April 2018 CS 22 Revision 4 2 5 3 Illustrations to removing and re installing the power plant...

Страница 65: ...these daily inspections are neglected or carried out carelessly When walking around the aircraft check all surfaces for paint cracks dents and unevenness In case of doubt ask licensed maintenance per...

Страница 66: ...aces for damage o Clean and grease water dump valves if necessary o Check outboard wing panels for proper connection locking lever must be below upper wing surface and its cover must be installed and...

Страница 67: ...ap between blade and hub Wipe off excess oil o Check power plant for loose bolts and nuts check all locks and stops o Check exhaust system and engine pylon for cracks especially at the welding joints...

Страница 68: ...e front to the probe the variometer s connected should indicate climb o Check that the fin mounted total pressure tube is clear When blowing gently into this probe the ASI must indicate some speed in...

Страница 69: ...d to excessive loads the natural frequency of the wing vibration should be checked Value to be extracted from the last inspection report in the maintenance or manufacturing records for this serial num...

Страница 70: ...el pump o Check proper connection of the engine wiring inside the engine bay o Check RPM sensor connection o Check proper placement of wiring and lines Engine wiring and lines must move free and witho...

Страница 71: ...SCHEMPP HIRTH FLUGZEUGBAU GmbH KIRCHHEIM TECK Ventus 3T Sport FLIGHT MANUAL April 2018 CS 22 Revision 4 4 1 4 4 Pre flight inspection...

Страница 72: ...forward to first third of its travel other c g positions Knob to the middle of its travel As the tow rope tightens apply the wheel brake gently by actuating the stick mounted lever to prevent the powe...

Страница 73: ...150 km h 70 81 kt 68 93 mph for higher all up masses At higher towing speeds and low all up masses i e above about 160 km h 86 kt 99 mph flap setting 1 or 2 should be used see diagram below With thes...

Страница 74: ...r to climb excessively steeply on leaving the ground Depending on the load on the seat the aircraft is lifted off with the control stick almost fully pushed forward in the case of aft c g position sli...

Страница 75: ...ct condition are available Furthermore there is not much point in launching by winch for a soaring flight if the release height gained is less than 300 m 984 ft In case of doubt reduce all up mass by...

Страница 76: ...ril 2018 CS 22 Revision 4 5 2 1 4 5 2 Take off and climb The Ventus 3T is a non self launching powered sailplane which must be launched either by winch or by aerotow with its power plant retracted exa...

Страница 77: ...to 125 km h 62 to 66 kt 71 to 78 mph with flaps set at 0 and at maximum mass With a mid point c g position the speed range covered by the trim is from about 80 km h 43 kt 50 mph with flaps set at L t...

Страница 78: ...ough air VRA 180 km h 97 kt 112 mph must not be exceeded With the c g at an aft position the control stick movement from the point of stall to maximum permissible speed is relatively small though the...

Страница 79: ...ects in the cockpit At speeds above maneuvering speed the pilot should actively try to slow down the extending run of the airbrakes Aerodynamic forces will strongly suck out the airbrakes Attention sh...

Страница 80: ...ays well suited to the actual flying speed For smooth thermals flap setting 2 is recommended in turbulent thermals which require a quick aileron response flap setting 1 is advantageous Near the lower...

Страница 81: ...nd will then drop to stalling speed Note Before reaching stalling speed the ASI reading drops quickly depending on the C G position The ASI starts oscillating because of the turbulent airflow affectin...

Страница 82: ...talls without dropping its nose or a wing Normal flying attitude is regained by applying corresponding control deflections The loss of height from the beginning of the stall until regaining a normal l...

Страница 83: ...n the engine is fully extended pull back the DECO handle to open the decompressions valves and hold it The prop starts rotating Should a blade or more fail to unfold wagging the rudder repeatedly can...

Страница 84: ...m the moment of extending the power plant until it runs is approx 50 to 60 m 164 197 ft Should the prop stop spinning after the DEKO handle was released pull it back again and repeat the starting proc...

Страница 85: ...speed Vmax2 is 180 km h 97 kt 112 mph The flight characteristics of the aircraft with running engine are comparable with the flight characteristics with retracted power plant stall speeds are shown in...

Страница 86: ...mph so that the engine will run within its normal operating range green signal of the RPM indicator or switch the ignition off If the automatic retraction of the power plant shall be avoided when the...

Страница 87: ...110 km h 54 59 kt 62 68 mph resulting in an average speed of about 100 km h 54 kt 62 mph Additionally the range is dependent on the loaded water ballast and is reduced by higher all up mass Should the...

Страница 88: ...ant retracted no major differences are to expect when stalling from straight and level or from turning flight see page 5 2 2 When stalling with running engine ignition on the noise of the power plant...

Страница 89: ...commended approach speed at maximum mass without water ballast In these configuration with completely extended spoilers and maximum permitted all up mass L D is approx 6 9 to 1 for 18 m span The airbr...

Страница 90: ...rcraft are affected adversely by heavy rain or ice on the wing Be cautious when landing Increase the approach speed by at least 5 to 10 km h 3 5 kt 3 6 mph Important note o In 18 m configuration and r...

Страница 91: ...erformances are deteriorated due to the extended power plant Span m All up mass kg Sink rate m s Speed km h Glide slope 18 600 ca 1 8 m s 120 ca 19 The reduced performance however is sufficient to con...

Страница 92: ...neously After touching down the flaps may be set at 0 for improved aileron response during the landing run To avoid a long ground run make sure that the powered sailplane touches down at minimum speed...

Страница 93: ...e closed with filler caps provided with thread The filler caps have a slit and may be opened with the help of the rigging tool or a coin A hole in the filler cap serves for venting the tank The hole f...

Страница 94: ...of the outboard tank Filling through the opening of the outboard tank is slower than filling each tank separately since the connection between outboard and middle tank slows down the water flow When f...

Страница 95: ...tly different from its behavior without water ballasts The stall speeds are higher see section 5 2 2 and for correcting the flight attitude larger control surface deflections are required Furthermore...

Страница 96: ...pletely filled tank the uppermost spill hole 7 8 kg Liter 2 06 US Gal 1 72 IMP Gal always must be open The ballast quantity to be filled depends on the water load in the wing tanks see loading table o...

Страница 97: ...tboard wing tanks Warning o While flying for longer time at air temperatures near 0 C 32 F water ballast must be dumped in any case when reaching a temperature of 2 C 36 F Thus avoiding freezing of th...

Страница 98: ...eats with valves opened With closed dumping lever in the cockpit the valves must close fully Leaking dripping valves are avoided thereafter with valves closed pulling the drain plugs home with the thr...

Страница 99: ...ED This difference does not affect the structural integrity or load factors but to avoid any risk of flutter the following indicated values IAS must not be exceeded Altitude V IAS m ft km h kt mph 0 0...

Страница 100: ...Warning For the preservation of a proper surface finish free from cracking the manufacturer strongly recommends not to fly at high altitude with associated temperatures below 20 C 4 F A steep descent...

Страница 101: ...ved with such measurements Often the air mass in which it s raining is also descending so that compared with a wet aircraft in calm air the sink rates encountered are even higher Flight tests in rain...

Страница 102: ...SCHEMPP HIRTH FLUGZEUGBAU GmbH KIRCHHEIM TECK Ventus 3T Sport FLIGHT MANUAL April 2018 CS 22 Revision 4 5 11 1 4 5 11 Aerobatics Aerobatics are not approved...

Страница 103: ...Section 5 5 Performance 5 1 Introduction 5 2 Approved data 5 2 1 Airspeed indicator system errors 5 2 2 Stall speeds 5 2 3 Take off distances 5 2 4 Additional information 5 3 Additional information 5...

Страница 104: ...ision 5 1 1 5 Performance 5 1 Introduction This section provides approved data for airspeed calibration stall speeds and additional information The data in the charts has been computed from actual fli...

Страница 105: ...ent points of Pitot Static pressure may be read off from the following calibration charts These charts are applicable to free flight in the indicated conditions All airspeeds shown in this manual are...

Страница 106: ...KIRCHHEIM TECK Ventus 3T Sport FLIGHT MANUAL April 2018 CS 22 Revision 5 2 1 2 Power plant Retracted or extended PITOT pressure source Fuselage nose cone STATIC pressure ports Fuselage tail boom 80 cm...

Страница 107: ...3 60 3 80 5 43 3 50 3 airbrakes extended flaps at L km h kt mph 96 3 52 2 60 2 80 5 43 3 50 3 Airspeed indication oscillates with rearward c g positions The loss of height from the beginning of the s...

Страница 108: ...LUGZEUGBAU GmbH KIRCHHEIM TECK Ventus 3T Sport FLIGHT MANUAL April 2018 CS 22 Revision 5 2 3 1 5 2 3 Take off distances Taking off on own power is not permissible since the Ventus 3T is not capable of...

Страница 109: ...SCHEMPP HIRTH FLUGZEUGBAU GmbH KIRCHHEIM TECK Ventus 3T Sport FLIGHT MANUAL April 2018 CS 22 Revision 5 2 4 1 5 2 4 Additional information None...

Страница 110: ...EIM TECK Ventus 3T Sport FLIGHT MANUAL April 2018 Revision 5 3 1 1 5 3 Additional information 5 3 1 Demonstrated crosswind performance The maximum crosswind velocity at which take offs and landings ha...

Страница 111: ...emoved Wing span 18 m All up mass 600 kg 1323 lb Wing loading 55 4 kg m2 11 35 lb ft2 Minimum sink rate At a speed of 90 km h 49 kt 56 mph Best L D At a speed of 120 km h 65 kt 75 mph not measured yet...

Страница 112: ...SCHEMPP HIRTH FLUGZEUGBAU GmbH KIRCHHEIM TECK Ventus 3T Sport FLIGHT MANUAL April 2018 Revision 5 3 2 2...

Страница 113: ...Gal 1h 6min 155 km 83 nm Sawtooth method Data refer to the sawtooth method see page 4 5 4 5 Climb with continuous power at an all up mass of 440 kg 970 lb Average cruising speed 100 km h 54 kt 62 mph...

Страница 114: ...SCHEMPP HIRTH FLUGZEUGBAU GmbH KIRCHHEIM TECK Ventus 3T Sport FLIGHT MANUAL April 2018 Revision 5 3 3 2...

Страница 115: ...above ground level the fly over noise level of the Ventus 3T is 57 7 dB A and is far below the noise level limit of 64 0 dB A With these noise levels the motor glider complies with the noise protectio...

Страница 116: ...tus 3T Sport FLIGHT MANUAL April 2018 Revision 6 0 1 Section 6 6 Weight mass and balance 6 1 Introduction 6 2 Weight mass and balance log sheet and permitted payload range Determination of Water balla...

Страница 117: ...ft may be safely operated Procedures for weighing the aircraft and the calculation method for establishing the permitted payload range and a comprehensive list of all equipment available is contained...

Страница 118: ...side other data the empty weight the maximum and minimum load on the seat and maximum payload in the fuselage These charts are established with the aid of the last valid weighing report the required d...

Страница 119: ...e rudder pedal assembly The ballast mounting provision holds up to three 3 lead plates with a weight of 2 2 kg 5 0 lb each and allows a reduction of the minimum seat load indicated in the cockpit plac...

Страница 120: ...l parachute kg min max Tail tank installed YES NO 2 Inspector Signature Stamp 1 Installed batteries refer to section 7 12 M One power plant battery below the instrument panel C One or two batteries ne...

Страница 121: ...parachute kg min max Tail tank installed YES NO 2 Inspector Signature Stamp 1 Installed batteries refer to section 7 12 M One power plant battery below the instrument panel C One or two batteries nea...

Страница 122: ...inner tanks 46 kg 101 4 lb both middle tanks 106 kg 233 7 lb both outboard tanks 26 kg 57 3 lb Note Fill always the inner tank inboard wing panel first afterwards fill the outer wing tanks Wing water...

Страница 123: ...um capacity of the fin tank is 7 8 kg Liter 2 06 US Gal 1 72 Imp Gal Note When determining the useful load in the fuselage the quantity of water ballast in the fin must not be taken in account because...

Страница 124: ...gram vertical axis wing water ballast the correspondent fin water ballast full liters can be filled Since the dump valve of the fin tank is linked to the damp valves of the middle wing tanks only the...

Страница 125: ...ms 7 1 Introduction 7 2 Cockpit description 7 3 Instrument panel 7 4 Undercarriage 7 5 Seat and restraint system 7 6 Static pressure and total pressure system 7 7 Airbrake system 7 8 Baggage compartme...

Страница 126: ...its systems 7 1 Introduction This section provides a description of the powered sailplane including its systems and operation For details concerning optional and not standard systems and equipment re...

Страница 127: ...SCHEMPP HIRTH FLUGZEUGBAU GmbH KIRCHHEIM TECK Ventus 3T Sport FL GHT MANUAL April 2018 Revision 7 2 1 7 2 Cockpit description...

Страница 128: ...unt of fresh air entering the cockpit can be adjusted by moving the slide control Reduce air quantity push Reduce air quantity pull The adjustable ventilation nozzle on the right side of the cockpit c...

Страница 129: ...ard adjustment Pull handle back until pedals have reached the desired position Shortly pushing forward with the heels engages the locking device with an audible click Control handle for tow release me...

Страница 130: ...py detachment Sliding knob black on the cockpit inner skin on the right Allows detaching the canopy on the ground if this was unlocked before Remove canopy Forward position Lock canopy Rear position W...

Страница 131: ...the lever features several position to engage for an appropriate flight condition High speed range Swing lever slightly inwards move forward and let lever engage Low speed range Swing lever slightly...

Страница 132: ...in his seating position at all times Turn the central fitting of the harness to open the mechanism Rear view mirror The rear view mirror is situated at the top of the instrument panel It is used to o...

Страница 133: ...EIM TECK Ventus 3T Sport FLIGHT MANUAL April 2018 Revision 7 3 1 7 3 Instrument panel A description of items indicated with numbers I VI can be found on page 7 3 2 A description of the rest of the ins...

Страница 134: ...sation probe STATIC Variometer s fed from Static Pressure ports or T E Variometer s fed from T E Compensation probe T E slow Variometer s fed from T E Compensation probe with restrictor III Pneumatic...

Страница 135: ...e of the instrument panel The engine control unit allows a partially automatic control of the power plant extension retraction and operation The position of the power plant and operating conditions of...

Страница 136: ...d time counter o Start calibration of the fuel capacity indication o Enter data in the set up menu RPM indicator No signal RPM below 4000 RPM or engine stopped GREEN signal RPM between 4000 RPM and 55...

Страница 137: ...e When the ignition is switched off the power plant retracts automatically only if the following conditions are met o The engine speed must have been above 4000 RPM for at least 10s and o at the momen...

Страница 138: ...racts while the switch is held down rocker switch In the fully retracted position the spindle drive is cut off by a limit switch Note When the engine control unit is operating normally in the automati...

Страница 139: ...Moreover the following information is shown o Fuel pump operation o Advice for operation warnings and error messages o Set Up menu With the menu push button you can scroll through the menu pages When...

Страница 140: ...s warnings and error messages are shown in the LCD display Buzzer not illustrated With different sounds the buzzer gives warnings to the pilot Continuous tone o high engine speed o fuel quantity reser...

Страница 141: ...p refer to Reset of the warnings with the menu button not possible Fuel quantity indicator 1 2 _ L Shows the fuel quantity in the fuel tank whole litre max 12 litres Warning advice o Fuel indicator is...

Страница 142: ...hole hours rounded down from 0 to 999 h resettable only by the manufacturer Calibration factor of the fuel quantity indicator C 1 0 0 Calibration procedure see Flight Manual Section 4 2 2 Calibration...

Страница 143: ...with the engine speed and indication No permanent reset of the operation advice by the menu button Operation of the decompression valves d E C O Advice to pull the handle for the decompression valves...

Страница 144: ...er plant control the system displays an error message on the LCD display The reading of an error displayed by the engine control unit must first be confirmed by the pilot press on the menu button beca...

Страница 145: ...an identify errors or malfunction of limit switches and sensors and can start corrective measures Minor errors The following errors have limited effect on the engine operation Error messag e Descripti...

Страница 146: ...ction of the power plant in this case is only possible according to the procedures listed below Error message Description Restrictions in operation as long as the error exists Troubleshooting in fligh...

Страница 147: ...ignition is switched off o If another error message appears in the LCD display affirm it with the menu button Don t release the manual operation switch while doing this before the final position is re...

Страница 148: ...when the engine control unit was switched on Error message Description Restrictions in operation as long as the error exists Trouble shooting in flight E_PG Internal error Engine control unit inoperat...

Страница 149: ...adjustable setting starts to blink and can be changed by further touching the menu button Numerical values can be entered only in ascending order If there are no further entries the engine control uni...

Страница 150: ...riage The Ventus 3T features a retractable main wheel with a brake and a tail wheel or a tail skid The extension retraction process of the main wheel is described on page 7 2 3 For a technical descrip...

Страница 151: ...d to mounting flanges provided on either side of the cockpit The seat features a seat back with integrated head rest which inclination is adjustable The lap straps are anchored to the seat pan The sho...

Страница 152: ...instruments Pitot pressure sources o On the fin lower probe port or upper probe port the upper probe port can on wish be equipped with up to 3 pressure connections This pressure port is used for the a...

Страница 153: ...locked the airbrakes might get slightly sucked out by their spring loaded cover strips which in this position may then oscillate within their travel causing some rattling and or banging This is immedi...

Страница 154: ...compartment is not provided soft objects like jackets etc may be placed on the removable panel covering the control linkage behind the main spar stubs Such baggage must be taken into account when dete...

Страница 155: ...of a steel cable Water ballast is dumped through 2 openings on each side of the lower wing surface One opening is located near the root rib and a further one 1 5 m 59 in in the direction of the wing...

Страница 156: ...SCHEMPP HIRTH FLUGZEUGBAU GmbH KIRCHHEIM TECK Ventus 3T Sport FLIGHT MANUAL April 2018 Revision 7 9 2...

Страница 157: ...SCHEMPP HIRTH FLUGZEUGBAU GmbH KIRCHHEIM TECK Ventus 3T Sport FLIGHT MANUAL April 2018 Revision 7 9 3...

Страница 158: ...assisted by a gas strut swings the pylon up and down The doors of the engine compartment are automatically opened and closed by rods while the power plant extends retracts The power plant system is op...

Страница 159: ...ge Never tape the opening of the vent line shut A drain valve for the fuel tank is provided at the bottom of the engine bay on the left side and is directly accessible For a schematic view of the fuel...

Страница 160: ...SCHEMPP HIRTH FLUGZEUGBAU GmbH KIRCHHEIM TECK Ventus 3T Sport FLIGHT MANUAL April 2018 Revision 7 11 2...

Страница 161: ...mentation prescribed does not require any electrical power source Additional equipment is to be wired according to the instructions of the relevant instrument s manufacturer Power for the avionics is...

Страница 162: ...SCHEMPP HIRTH FLUGZEUGBAU GmbH KIRCHHEIM TECK Ventus 3T Sport FLIGHT MANUAL April 2018 Revision 7 12 1 2...

Страница 163: ...agnetos contact less A 12 V power source located at the base of the instrument panel as shown on page 7 12 2 2 is only necessary for pylon spindle drive and the engine control unit with its RPM indica...

Страница 164: ...SCHEMPP HIRTH FLUGZEUGBAU GmbH KIRCHHEIM TECK Ventus 3T Sport FLIGHT MANUAL April 2018 Revision 7 12 2 2...

Страница 165: ...FRP frame by means of a wing bolt For information on influence on the minimum seat load refer to section 6 2 1 Oxygen system Option The oxygen cylinder is mounted in the baggage compartment Impoortan...

Страница 166: ...T installation The Installation of an Emergency Locator Transmitter is possible in the following places and must comply with the relevant instructions provided by Schempp Hirth Flugzeugbau GmbH o on t...

Страница 167: ...CHHEIM TECK Ventus 3T Sport FLIGHT MANUAL April 2018 Revision 8 0 1 Section 8 8 Handling care and maintenance 8 1 Introduction 8 2 Inspection periods 8 3 Alterations or repairs 8 4 Ground handling roa...

Страница 168: ...ling and servicing It also identifies certain inspection and maintenance requirements which must be followed if the powered sailplane is to retain that new plane performance and dependability Importan...

Страница 169: ...tailplane attachment fittings is done only if the control system becomes heavy to operate in fuselage and wing i e airbrake actuating linkage Cleaning and greasing the wheel s and the tow release mec...

Страница 170: ...ce in a year and must comply with the instructions given in the propeller manual Engine Maintenance work on the engine is required after every 25 hours of engine time or at least once every year and m...

Страница 171: ...craft Repairs If there is any uncertainty whatsoever regarding the significance of damage discovered the powered sailplane should always be inspected by a CFRP GFRP personal with appropriate authoriza...

Страница 172: ...igh ambient temperatures Tie down In the case of a powered sailplane remaining rigged permanently it is important that the maintenance program includes rust prevention for the fittings on fuselage win...

Страница 173: ...ended o Clean the surface especially the leading edge of wing panels horizontal stabilizer and fin with clear water a sponge and a chamois leather o Do not use too often rinsing additives common in tr...

Страница 174: ...always be protected from the wet If water has found a way in the components should be stored in a dry environment and turned frequently to eliminate the water o The powered sailplane should not be exp...

Страница 175: ...SCHEMPP HIRTH FLUGZEUGBAU GmbH KIRCHHEIM TECK Ventus 3T Sport FLIGHT MANUAL April 2018 Revision 9 0 1 Section 9 9 Supplements 9 1 Introduction 9 2 List of inserted supplements...

Страница 176: ...3T Sport FLIGHT MANUAL April 2018 Revision 9 1 1 9 Supplements 9 1 Introduction This section contains the appropriate supplements necessary to safely and efficiently operate the powered sailplane when...

Страница 177: ...SCHEMPP HIRTH FLUGZEUGBAU GmbH KIRCHHEIM TECK Ventus 3T Sport FLIGHT MANUAL April 2018 Revision 9 2 1 9 2 List of inserted supplements Date Section Title of inserted supplement...

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