Black Horse Model BH175 Instruction Manual Download Page 1

VIPER JET MKII

ALL BALSA - PLY WOOD CONSTRUCTION

COVERED IN A HEAT-SHRINK FILM WITH PRINTED. 

NOT INCLUDING ELECTRIC RETRACT GEAR

ONLY INCLUDING CNC SUSPENSION METAL STRUTS.

95% ALMOST READY TO FLY

SPECIFICATION:

-  Wingspan: 1,885mm (74.21 in).

-  Length: 1,820mm (71.65 in).

-  Weight: 8.9 - 9.1kg  (19.58 - 20 lbs).   

-  Wing area: 62.2dm

2

.

-  Wing loading:143.1g/dm

2

.

-  Wing type: Naca Airfoil.

-  Gear type: Electric retract gear, 

   size: (92.55 x 51 x 35.1)mm (not included).

   CNC Suspension Metal Struts (included). 

Parts listing required (not included):

-  Radio: 8 channels minimum.

-  Servo: 8 standard high torque servos, size: (33 x 17)mm.           

-  Engine: EDF 120mm.

-  Battery: 10S - 12S LIPO  37V- 44.4 V.

-  ESC: 160A.

Recommended EDF and Battery set up 
(not included):

-  Engine: Ducted Fan EDF JETFAN-120 eco 

   Ejets+ HET 800-68-685.

-  Battery: 12S LIPO – 44.4 V  ≥ 6000mAh 40C.

-  Or Engine: Ducted Fan EDF Schubeler 

   DS-86-AXI HDS 120mm + TP 5660-9D motor.

-  Battery: 10S LIPO - 37V  ≥ 6000mAh 40C.

-  ESC: 160A Phoenix Castle.

Instruction Manual Book

Item code: BH175

Made in Vietnam.

Glow and EP

Summary of Contents for BH175

Page 1: ...ize 92 55 x 51 x 35 1 mm not included CNC Suspension Metal Struts included Parts listing required not included Radio 8 channels minimum Servo 8 standard high torque servos size 33 x 17 mm Engine EDF 1...

Page 2: ...2 Introduction 2 Warranty 3 Disclaimer 3 Safety precaution 3 Important building notes 3 Suggestion 3 Flight warnings 3 Covering tools 4 Adhesives and required tools 4 Academy of Model Aeronautics Nat...

Page 3: ...dust as the dust will blow back into your eyes Always wear safety goggles a particle mask and rubber gloves when grinding drilling and sanding fiberglass parts Vacuum the parts and the work area thoro...

Page 4: ...ght including fuel of 55 pounds unless in compliance with the AMA Large Model Airplane program AMA Document 520 A f Ensure the aircraft is identified with the name and address or AMA number of the own...

Page 5: ...AMA Documents 922 and 923 6 With the exception of events flown under official AMA Competition Regulations excluding takeoff and landing no powered model may be flown outdoors closer than 25 feet to a...

Page 6: ...C A glue super glue Cut off shaded portion carefully Assemble left and right sides the same way Must be purchased separately Ensure smooth non binding movement when assembling Warning Set all scerws...

Page 7: ...b 12 13 14 15 16 Door gear 17 Ply Wood part for the rear bottom fuselage 18a 18b 18 Plastic air intake for cooling ESC 20a 20b 20 Ply Wood part for rudder stab 19 19 13c 13a 13b 8a 8b 8c Nose gear Mai...

Page 8: ...INSTALLING THE AILERONS AND FLAPS Bottom view 6 6 Pinned hinge Main Wing Make certain the hinges are adequately secured with glue If they come loose in flight accidents may result Assemble left and r...

Page 9: ...om of the wing and drill pilot holes through the tray and the servo box for each of the four mounting screws Secure the servo tray in place using the mounting screws provided 6 Repeat step 2 5 to inst...

Page 10: ...flap servos 4 2x10mm Screw 2 For Flap For Aileron 2 For Flap For Aileron Screw 1 5 mm 1 5 mm 2 m m 1 5 mm 2 x 10mm Tp Screw 16 Warning 2x10mm Tp Screw Tie the string Pull out servo cord with string 1...

Page 11: ...on and flap 2 Locate the metal rod wire screw the plastic link ball onto the threaded end of the wire 3 Plug the aileron and flap servo into the receiver and center the servo Install the servo arm ont...

Page 12: ...ion Manual 12 Bottom view Bottom view Bottom view Left Wing Right Wing x4 x4 3mm Hex Nut 3x12mm 3mm Hex Nut 3mm Flat Washer Assemble left and right sides the same way Apply threadlocker screw cement T...

Page 13: ...12 00 ELECTRIC GEAR DIMENSIONAL DETAIL mm ELECTRIC NOT INCLUDED ONLY INCLUDING OLEO STRUTS Main gear 75mm Wheels 5x35mm 5mm Washer Screw Screw Main gear 3x4mm Setscrew Wheel well Door gear 2 4 5x35mm...

Page 14: ...truction Manual 14 ELECTRIC GEAR RETRACTS C A Screw Bottom view Bottom view Close Open C A Apply instant glue C A glue super glue Must be purchased separately Cut off shaded portion carefully Assemble...

Page 15: ...m code BH175 Instruction Manual 15 Bottom view 19mm 118mm 3x20mm Screw 2 5mm Bottom view Apply threadlocker screw cement Assemble left and right sides the same way Drill holes using the stated in this...

Page 16: ...Viper Jet MKII Item code BH175 Instruction Manual 16 Bottom view Bottom view 3x6mm Bottom view 3x4mm Assemble left and right sides the same way...

Page 17: ...Viper Jet MKII Item code BH175 Instruction Manual 17 Top view Wing tip Top view Top view B Apply epoxy glue Assemble left and right sides the same way Must be purchased separately...

Page 18: ...I Item code BH175 Instruction Manual 18 Top view INSTALLING HORIZONTAL STABILIZER 8 Pinned hinge Bottom view B Apply epoxy glue Cut off shaded portion carefully Assemble left and right sides the same...

Page 19: ...ervo box on the bottom of the wing and drill pilot holes through the tray and the servo box for each of the four mounting screws Secure the servo tray in place using the mounting screws provided 2 Usi...

Page 20: ...securely If they come off during flight you will lose control of your aircraft 2 x 10mm Tp Screw 8 Warning 2x10mm Screw Bottom view 3mm Assemble left and right sides the same way Pay close attention...

Page 21: ...ion Manual 21 Set all scerws securely If they come off during flight you will lose control of your aircraft 2 x 10mm Tp Screw 8 Warning 2x10mm Screw Bottom view Assemble left and right sides the same...

Page 22: ...bilizer 2 Locate the metal rod wire screw the plastic link ball onto the threaded end of the wire 3 Plug the horizontal stabilizer servo into the receiver and center the servo Install the servo arm on...

Page 23: ...3mm Flat Washer Bottom view x2 x2 3mm Hex Nut 3x12mm 3mm Hex Nut 3mm Flat Washer 23 Apply threadlocker screw cement Assemble left and right sides the same way The number of times the same way Assembly...

Page 24: ...Viper Jet MKII Item code BH175 Instruction Manual Top view Top view 24 312mm Aluminium tube 12mm...

Page 25: ...Instruction Manual Top view INSTALLATION THE VERTICAL STABILIZER Hinges for Rudder are glued the same way as the aileron before 25 4 Pinned hinge B Apply epoxy glue Cut off shaded portion carefully A...

Page 26: ...the wing and drill pilot holes through the tray and the servo box for each of the four mounting screws Secure the servo tray in place using the mounting screws provided 2 Using a modeling knife remove...

Page 27: ...scerws securely If they come off during flight you will lose control of your aircraft o 90 approx 16mm 2mm Screw 1 5 mm 1 5 mm 1 5 mm 2 x 10mm Screw 4 Warning 2x10mm Screw 27 2 m m Cut off shaded por...

Page 28: ...ball onto the threaded end of the wire 3 Plug the vertical stabilizer servo into the receiver and center the servo Install the servo arm onto the servo The servo arm should be perpendicular to the se...

Page 29: ...Viper Jet MKII Item code BH175 Instruction Manual Bottom view 3x12mm 3mm Flat Washer 3mm Hex Nut 3x12mm 3mm Hex Nut 3mm Flat Washer 29 Apply threadlocker screw cement...

Page 30: ...Viper Jet MKII Item code BH175 Instruction Manual Top view Top view 30 115mm Aluminium tube 12mm...

Page 31: ...Viper Jet MKII Item code BH175 Instruction Manual Top view Ply Wood part for rudder stab 1 31 C A Apply instant glue C A glue super glue Cut off shaded portion carefully...

Page 32: ...Setscrew 2 2 4 2 1 4 1 Cable rod Metal Clevis 3x30mm Connector Locknut 3x20mm screw Wheel well 32 5mm Flat washer 3x6mm Button screw 1 1 5x35mm Socket Head Cap Screw 5x35mm 5mm Washer Screw Screw Nos...

Page 33: ...tem code BH175 Instruction Manual Bottom view 3x20mm Screw 33 Bottom view Bottom view C A Apply instant glue C A glue super glue Cut off shaded portion carefully Drill holes using the stated in this c...

Page 34: ...Viper Jet MKII Item code BH175 Instruction Manual Bottom view 3x20mm Screw Cable rod Crimp 1 2 3 4 5 Crimp Cable rod 34 Cut off excess...

Page 35: ...tem code BH175 Instruction Manual Bottom view o 90 Servo nose gear 1 2 3 4 5 3mm Cab link Metal Clevis Hex Nut 35 Cut off excess Cut off shaded portion carefully Must be purchased separately Pay close...

Page 36: ...Viper Jet MKII Item code BH175 Instruction Manual Servo nose gear Cable rod Connector Top view 36...

Page 37: ...TALLING THE EDF AND LIP OF AIR INLET OUTLET Plastic air intake Plastic air intake for cooling ESC Fiberglass air outflow Fiberglass intake 2 2 1 37 620mm 7mm 330mm 404mm 7mm Right Left 15mm 1 2 4 m m...

Page 38: ...Viper Jet MKII Item code BH175 Instruction Manual Top view 38 Center Line 9mm 85mm Cut off shaded portion carefully...

Page 39: ...Viper Jet MKII Item code BH175 Instruction Manual Top view 39 Bottom view Hatch Open Close...

Page 40: ...Viper Jet MKII Item code BH175 Instruction Manual Bottom view Foam Foam 3x15mm Tp Screw 40 3x15mm Tp Screw 4 Must be purchased separately Drill holes using the stated in this case 1 5mm 1 5mm...

Page 41: ...Viper Jet MKII Item code BH175 Instruction Manual 41 EDF Bottom view Adhesive tape B Apply epoxy glue...

Page 42: ...Item code BH175 Instruction Manual Bottom view Bottom view Bottom view 42 Ply Wood part for the rear bottom fuselage 2 B Apply epoxy glue C A Apply instant glue C A glue super glue Cut off shaded por...

Page 43: ...er Jet MKII Item code BH175 Instruction Manual Bottom view Bottom view SECURE THE WING TO THE FUSELAGE Attach the wings to the fuselage and secure the wing panels 43 678mm Aluminium tube 19mm Open Clo...

Page 44: ...Viper Jet MKII Item code BH175 Instruction Manual Bottom view 44 Top view Plastic air intake for cooling ESC 2 Assemble left and right sides the same way...

Page 45: ...provided with the radio system 1 Plug the servo leads and the switch lead into the receiver You may want to plug an aileron extension into the receiver to make plugging in the aileron servo lead easi...

Page 46: ...s aligned with the rear edge of the cockpit opening Use canopy glue to secure the canopy to the canopy hatch Use low tack tape to hold the canopy in position until the glue fully cures Wrap the tape c...

Page 47: ...Viper Jet MKII Item code BH175 Instruction Manual Adhesive tape Open Close 47 Top view Top view Top view B Apply epoxy glue...

Page 48: ...5mm 6 3 6 5 in BACK FROM THE LEADING EDGE OF THE WING AT THE FUSELAGE BALANCE A PLANE UPSIDE DOWN WITH THE FUEL TANK EMPTY BALANCING After you have balanced a plane on the C G You should laterally bal...

Page 49: ...on of the CG If the CG is incorrect you lose control of your airplane which leads to accidents In order to obtain the CG specified reposition the receiver and other equipment If not obtain the CG spec...

Page 50: ...side the fuselage 1 We highly recommend setting up a plane using the control throws listed 2 The control throws should be measured at the widest point of each control surface 3 Check to be sure the co...

Page 51: ...ormation refer to radio system instruction manual Follow instruction manual of Engine and Battery Flap Servo Y Harness Y Harness Switch Receiver ESC Battery Receiver Flap Servo Flap Flap Rudder Elevat...

Page 52: ...r Jet MKII Item code BH175 Instruction Manual 5 1mm hold 117mm 40mm 75mm 10mm MAIN GEAR DIMENSIONAL DETAIL MAIN GEAR STRUTS NOSE GEAR STRUTS 50mm 5 1mm hold 122mm 65mm 8mm 21mm 25mm LANDING GEAR MOUNT...

Page 53: ...Viper Jet MKII Item code BH175 Instruction Manual N520VF N520VF DECORATION Side view Left Side view Right Top view Bottom view 53...

Page 54: ...2 m m 3 x 1 2 m m 3 m m 3 x 1 2 m m 3 x 1 2 m m 3 m m 3 x 1 2 m m 3 x 1 2 m m 3 m m 3 x 1 2 m m 3 x 1 2 m m 3 m m 3 x 1 2 m m 3 x 1 2 m m 3 m m 3 x 1 2 m m 3 x 1 2 m m 3 m m 3 x 1 2 m m 6mm 3x15mm 3x1...

Page 55: ...t up areas DO NOT dispose of empty fuel containers on a fire this can lead to an explosion NEVER fly in wet conditions or on windy or stormy days NEVER use damaged or deformed propellers or spinners T...

Page 56: ...del lands at the slowest possible speed Switch on the transmitter OFF ON OFF ON Check that the wings are correctly fitted to the fuselage If the model does not respond correctly to the controls land i...

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