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MDM-1 „FOX”  

FLIGHT MANUAL 

Appr. 4.8 

Issue III 

4.5.9  Aerobatics. 

Before aerobatics: 

 

tighten pilot’s belts, and check the securing of its lock 

 

check locking of air brake 

 

trim the glider for an entry speed, proper for the planned manoeuvre 

The glider performs correctly the manoeuvres listed in Table 1.  

NOTE: 

In primary training in aerobatics:  

 

At first become familiar with the general glider characteristics both in normal and in 
inverted flight, 

 

Maintain an increased altitude reserve in the initial phase of training in aerobatics, 

 

Mastering the subsequent manoeuvres, increase the level of complication in proportion 
to the skill gained, 

 

Remember that the full potential of glider possibilities can be recognized and utilized 
only after matching the  individual pilot's and glider characteristics. 

Depending on loading condition (changes to C.G. location) the glider characteristics may vary a little. 
Shifting the  C.G. backwards results in: 

 

possibility of controlling with increased load factor,  

 

increased delay in recovery from autorotation manoeuvres.  

 
In smooth air, the limit manoeuvring loads are practically difficult to be reached. This is to remember  
however that, in rough air conditions, to the manoeuvring loads the gust loads are added, which  can be 
of the same magnitude. A result of this summation can exceed the design load limits of the glider. 

Therefore, as for other glider types,  
 

   

 

aerobatics in rough air  is prohibited.  

Содержание MDM-1 FOX

Страница 1: ...D E R Issue III October 1996 Factory No Registration marking Pages identified by Appr are approved by airworthiness Authority Civil Aircraft Inspection Board POLAND Original date of approval This gli...

Страница 2: ...ssue Approval Date of Approval Date inserted Signature 1 1 2 5 1 4 2 4 5 3 23 10 97 29 10 97 2 4 4 9 04 06 98 04 06 98 3 1 1 2 11 01 99 02 07 98 4 1 2 6 1 4 2 4 2 6 6 3 20 01 99 5 applicable only to g...

Страница 3: ...June 2019 7 7 June 2019 Appr 2 2 June 2019 Appr 2 3 June 2019 8 8 1 October 1996 Appr 2 4 June 2019 8 2 June 2019 Appr 2 5 June 2019 8 3 October 1996 Appr 2 6 June 2019 8 4 October 1996 3 3 1 October...

Страница 4: ...2019 7 7 June 2019 Appr 2 2 June 2019 Appr 2 3 June 2019 8 8 1 October 1996 Appr 2 4 June 2019 8 2 June 2019 Appr 2 5 June 2019 8 3 October 1996 Appr 2 6A June 2019 8 4 October 1996 3 3 1 October 199...

Страница 5: ...3 EMERGENCY PROCEDURES an approved section 4 NORMAL PROCEDURES an approved section 5 PERFORMANCE a partly approved section 6 WEIGHT AND BALANCE a non approved section 7 GLIDER AND SYSTEMS DESCRIPTION...

Страница 6: ...MDM 1 FOX FLIGHT MANUAL 1 1 Issue III Section 1 1 GENERAL 1 1 Introduction 1 2 Certification basis 1 3 Warnings cautions and notes 1 4 Glider description and technical data 1 5 Three view drawing...

Страница 7: ...l WARNING means that the non observation of the corresponding procedure leads to an immediate or important degradation of the flight safety CAUTION means that the non observation of the corresponding...

Страница 8: ...balancing weights are installed Pedals at front seat adjustable with a grip item 11 in Fig 7 1 Back rest of front seat adjustable by changing the position of back rest support item 23 in Fig 7 2 Tail...

Страница 9: ...361 kG 772 lb 796 3 lb Max weight of structural non lifting parts wing less glider 165 kG 364 lb Max in flight weight 530 kG 1168 lb C G position in flight 213 379 mm aft of DP 8 40 14 93 in aft of DP...

Страница 10: ...MDM 1 FOX FLIGHT MANUAL 1 5 Issue III 1 5 Three view drawing...

Страница 11: ...arkings 2 4 Power plant fuel and oil NOT APPLICABLE 2 5 Power plant instrument markings NOT APPLICABLE 2 6 Weight 2 7 Centre of gravity 2 8 Approved manoeuvres 2 9 Manoeuvring load factors 2 10 Flight...

Страница 12: ...only with caution Examples of rough air are lee wave rotor thunderclouds etc VA Manoeuvring speed 214 116 Do not make full or abrupt control movements above this speed because under certain condition...

Страница 13: ...NG MAX or WARNING MIN message on upper part of instrument display MGL INFO 1 Pointer on yellow field and acceleration value highlighted by a yellow flashing background 7g 5g Maximum allowed positive n...

Страница 14: ...kG 0 lb 2 7 Centre of gravity C G range in flight 22 through 39 213 through 379 8 40 14 93 per cent of MSC mm aft of Datum Plane in C G range empty glider 620 645 24 4 25 4 mm aft of Datum Plane in 2...

Страница 15: ...the front seat 2 cm 1 in for the rear seat Type of operation aerobatic flight in addition to the above accelerometer at front seat 9 6 g for dual aerobatic instruction an accelerometer required in bot...

Страница 16: ...5 5 kG acc to FM item 7 2 and Fig 7 1 LIMITATIONS 1 Night flying prohibited 2 Cloud flying allowed provided pilot and glider meet National Regulations 3 Flying in anticipated icing conditions prohibi...

Страница 17: ...eck full deflection of control surfaces retract air brake Set altimeter to zero reading Fasten and tighten safety belts Check setting of elevator trim Lock both canopies perform communications check S...

Страница 18: ...Issue III Section 3 3 EMERGENCY PROCEDURES 3 1 Introduction 3 2 Canopy jettison 3 3 Bailing out 3 4 Stall recovery 3 5 Spin recovery 3 6 Spiral dive recovery 3 7 Power plant failure NOT APPLICABLE 3...

Страница 19: ...ds pull up legs and bail out 4 If the glider is rotating e g spinning bail out towards the centre of rotation 3 4 Stall recovery The glider both in straight flight and in turn gives the clear stall wa...

Страница 20: ...site to autorotation 2 Release the stick forwards slightly beyond the neutral 3 Neutralize the rudder 4 Recover the glider out of diving NOTE Deflection of the aileron towards spinning increases the d...

Страница 21: ...ng 4 3 Daily inspection 4 4 Pre flight inspection 4 5 Normal procedures and recommended speeds 4 5 1 Launch run up ground rolling 4 5 2 Take off and climb 4 5 3 Flight 4 5 4 Approach 4 5 5 Landing 4 5...

Страница 22: ...time after ensuring no protruding stones or other hard objects are present DO NOT PLACE THE BOLTS AND SCREWS IN CONTACT WITH THE GROUND Assemblies should be de rigged in the sequence as follows 4 2 1...

Страница 23: ...g as well as at the tip shove it out of the fuselage The aileron and air brake control system of the de rigged wing will disconnect automatically One person firmly holds at the tip of the opposite win...

Страница 24: ...of undercarriage well 8 Pilot s safety harness CAUTION The spring of belt clamp must neither be bent nor broken 9 External condition of the static and total pressure ports 10 Correct operation of boar...

Страница 25: ...ert the small ring of cable end into the hook and release the handle CHECK THE RELIABLE CABLE CONNECTION BY PULLING ON THE CABLE SEVERAL TIMES 2 Winch launching ON C G HOOK ONLY Prior to take off info...

Страница 26: ...surge braking effect Extending the air brake results in strong buffeting at tailplane increasing in line with a speed This however does not present a problem for piloting the glider In acquainting fl...

Страница 27: ...eristics In circling and in approach maintain the airspeed increased by approx 5 km h 2 5 kt In poor visibility or in case of perspex fogging open the side window and the cockpit air vent The glider c...

Страница 28: ...on to the skill gained Remember that the full potential of glider possibilities can be recognized and utilized only after matching the individual pilot s and glider characteristics Depending on loadin...

Страница 29: ...ck roll 160 170 86 92 3 5 4 5 8 Inverted quick roll 160 170 86 92 3 0 3 5 9 Quick roll in downward angle 130 145 max 3 0 3 5 10 Inverted quick roll in downward angle 130 145 max 70 78 3 0 3 5 11 Norma...

Страница 30: ...MDM 1 FOX FLIGHT MANUAL Appr 4 10 Issue III Fig 9 Example of competition program The altitude loss for this program in the smooth air should not exceed 900 m 2950 ft...

Страница 31: ...1 Introduction 5 2 Approved data 5 2 1 Airspeed indicator system calibration 5 2 2 Stall speeds 5 2 3 Take off performance NOT APPLICABLE 5 2 4 Additional information 5 3 Non approved further informat...

Страница 32: ...ke off performance and non approved further information The data in the charts has been computed from actual flight tests with the glider in good condition and using average piloting technique 5 2 App...

Страница 33: ...not exceed 30 m 98 ft NOTE Statically stalled glider with control stick pulled completely aft passes into a deep stall flight condition associated with a high value of sinking 9 10 m s i e 18 20 kt at...

Страница 34: ...PLICABLE 5 2 4 Additional information NO ADDITIONAL INFORMATIONS 5 3 Non approved further information NO FURTHER INFORMATIONS 5 3 1 Demonstrated cross wind performance Aerotowed take offs and landings...

Страница 35: ...MDM 1 FOX FLIGHT MANUAL 5 5 Issue III 5 3 2 Flight polar Flight polar of MDM 1 FOX for in flight weight of 515 kG and 435 kG calculated 515 kG 435 kG...

Страница 36: ...MDM 1 FOX FLIGHT MANUAL 6 1 Issue III Section 6 6 WEIGHT AND BALANCE 6 1 Introduction 6 2 Records of actual weighing permitted payload range...

Страница 37: ...e within which the glider may be safely operated Procedures for weighing the glider method of C G location calculation and a comprehensive list of all equipment available for this glider as well as th...

Страница 38: ...2 x 12 1 lb with balancing weights 2 x 5 5 kG 2 x 12 1 lb without balancing weights 2 x 5 5 kG 2 x 12 1 lb Date Signed Total payload on front and rear seats Total payload on front and rear seats kG lb...

Страница 39: ...4 Landing gear retracting system NOT APPLICABLE 7 5 Seats and safety harness 7 6 Instrument pneumatic system 7 7 Airbrake control system 7 8 Loading and baggage fixture NOT APPLICABLE 7 9 Water balla...

Страница 40: ...py right hand side and canopy opening lever item 14 in Figs 7 1 and 7 2 on the left hand side Jettison of each canopy panel independently from front and rear seat The adjustment of rudder pedals at fr...

Страница 41: ...MDM 1 FOX FLIGHT MANUAL 7 3 Issue III Fig 7 1 Front seat view 7 Rev 7 June 2019...

Страница 42: ...MDM 1 FOX FLIGHT MANUAL 7 3A Issue III Fig 7 1 Front seat view 7 Rev 7 June 2019...

Страница 43: ...MDM 1 FOX FLIGHT MANUAL 7 4 Issue III Fig 7 2 Rear seat view 7 3...

Страница 44: ...MDM 1 FOX FLIGHT MANUAL 7 4A Issue III Fig 7 2 Rear seat view Rev 7 June 2019 7...

Страница 45: ...n by red light LED for solo flying alarm level TL 3424 message ALARM MAX or ALARM MIN on upper part of display signalization by red light LED MGL INFO 1 Indicator on red field and acceleration value i...

Страница 46: ...e of board instruments pneumatic system 1 airspeed indicator 2 altimeter 3 variometer 4 accelerometer 5 turn or bank indicator 6 compass 7 total energy compensator 8 compensation bottle 9 drainage uni...

Страница 47: ...lerometer 5 turn or bank indicator 6 compass 7 TE probe 8 compensation bottle 9 drainage units 10 total pressure port 11 static pressure ports 7 Pneumatic system markings Pneumatic system general mark...

Страница 48: ...he skip beyond dead point in extended position ensured by the stops installed on air brake plate 7 9 Loading and baggage fixture NOT APPLICABLE 7 10 Water ballast system NOT APPLICABLE 7 11 Power plan...

Страница 49: ...MANUAL 8 1 Issue III Section 8 8 GLIDER HANDLING CARE AND MAINTENANCE 8 1 Introduction 8 2 Glider inspection periods 8 3 Glider alterations and repairs 8 4 Ground handling and road transportation 8 5...

Страница 50: ...d Airworthiness Authority WARNING No colour inscriptions or markings are allowed on upper surfaces of the wings tail unit and fuselage 8 4 Ground handling and road transportation 8 4 1 Airfield transp...

Страница 51: ...2 3 semi span The fuselage may be fixed on undercarriage wheels and wing fuselage connection pivots provided the mating surfaces of these are protected against damage scratch Tailplane should be fixe...

Страница 52: ...are The wing leading edge and external lacquer coats should be cleaned with the soft flannel cloth or shammy The canopy should be protected against dust with the cover of soft fabric For canopy cleani...

Страница 53: ...MDM 1 FOX FLIGHT MANUAL 9 1 Issue III Section 9 9 SUPPLEMENTS 9 1 Introduction 9 2 List of inserted supplements 9 3 Supplements inserted...

Страница 54: ...Section contains the appropriate supplements necessary to safely and efficiently operate the glider when equipped with various additional devices 9 2 List of inserted supplements Date of insertion Is...

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