Instruction Manual Book Item code: BH175 VIPER JET MKII Glow and EP 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: 62.2dm2. Wing loading:143.1g/dm2. Wing type: Naca Airfoil. Gear type: Electric retract gear, size: (92.55 x 51 x 35.
Viper Jet MKII Item code: BH175 Instruction Manual TABLE OF CONTENTS Introduction...............................................2 Installing the horizontal stabilizer Warranty....................................................3 linkages...................................................22 Disclaimer..................................................3 Installing the vertical stabilizer.................25 Safety precaution......................................
Viper Jet MKII Item code: BH175 WARRANTY Black Horse Model guarantees the component parts in this kit to be free from defects in both material and workmanship at the date of purchase by the purchaser. This warranty does not cover cosmetic damage or damage due to acts of God, accident, misuse, abuse, negligence, commercial use, or modification of or to any part of the Product.
Viper Jet MKII Item code: BH175 FLIGHT WARNINGS When ready to fly, first extend the transmitter aerial. Switch on the transmitter. Switch on the receiver. Check that the wings are correctly fitted to the fuselage. Operate the control sticks on the transmitter and check that the control surfaces move freely and in the CORRECT directions. Check that the transmitter batteries have adequate power. ALWAYS take off into the wind.
Viper Jet MKII Item code: BH175 Instruction Manual • Officially designated AMA Air Show Teams (AST) are authorized to use devices and practices as defined within the Team AMA Program Document. (AMA Document #718.) (j) Not operate a turbine-powered aircraft, unless in compliance with the AMA turbine regulations. (AMA Document #510-A.) 3.
Viper Jet MKII Item code: BH175 Instruction Manual PARTS LISTING (NOT INCLUDED). EDF: 120mm Servo extension leads. ................. 2 pcs. BATTER Y ................. 1 pcs. 720mm ...... 3 pcs. 330mm ...... 2 pcs. LiPo: 4 Cell ...................2 Packs 190mm ...... 8 pcs. LiPo: 6 Cell ...................2 Packs ESC Servos size: (32.3x16.8x31)mm. Torque: 4.8V(3.89kg-cm), 6V(4.82 kg-cm).... 6pcs ESC: 160A ..... 1pcs TOOLS & SUPPLIES NEEDED 10 9 8 7 6 5 4 3 2 1 Straight edge ruler.
Viper Jet MKII Item code: BH175 1 : Fuselage. 2 : Wing panel (2a, 2b). 3 : Horizontal stabilizer (3a, 3b). 4 : Vertical stabilizer. 5 : Aluminium wing dihedral brace. . 6 : Aluminium tube horizontal stabilizer. 7 : Aluminium tube vertical stabilizer. 8 : Cockpit fuselage ( 8a: Canopy, 8b: Pilot, 8c: Cockpit). 9 : Wing tip (9a,9b). 10 : Plastic air intake (10a, 10b). 11 : Fiberglass air outflow.
Viper Jet MKII Item code: BH175 Instruction Manual INSTALLING THE AILERONS AND FLAPS Pinned hinge -------------6 -------------6 Main Wing Bottom view Flap Make certain the hinges are adequately secured with glue. If they come loose in flight accidents may result. Assemble left and right sides the same way.
Viper Jet MKII Item code: BH175 Instruction Manual Left wing Right wing INSTALLING THE AILERON AND FLAP SERVO 1. Install the rubber grommets and brass eyelets onto the aileron servo. 2. Using a modeling knife, remove the covering from over the pre-cut servo arm exit hole on the aileron servo tray / hatch. This hole will allow the servo arm to pass through when installing the aileron pushrods 3. Place the servo into the servo tray.
Viper Jet MKII Item code: BH175 4 4 Instruction Manual Aileron Aileron and flap servos. Flap 90 o 60o 2 mm approx.16mm 2 For Flap. 1.5 mm 2 For Flap. For Aileron. 2x10mm Screw For Aileron. Screw 2mm 1.5 mm 1.5 mm 2 x 10mm Tp Screw Warning! - - - - 16 Set all scerws securely. If they come off during flight you will lose control of your aircraft! 2x10mm Tp Screw Bottom view 1 Flap 2 Aileron 1 Tie the string. 2 Pull out servo cord with string.
Viper Jet MKII Item code: BH175 Instruction Manual INSTALLING THE AILERON AND FLAP LINKAGES 1. Install the control horn into the aileron 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 onto the servo. The servo arm should be perpendicular to the servo and point toward the middle of the wing. 4.
Viper Jet MKII x4 3mm Flat Washer Item code: BH175 Instruction Manual 3x12mm 3mm Hex Nut Bottom view 3mm Flat Washer 3x12mm 3mm Hex Nut x4 Left Wing Bottom view Right Wing Bottom view Apply threadlocker (screw cement). The number of times same way Assembly 2 the (in this case twice). 12 Assemble left and right sides the same way.
Viper Jet MKII Item code: BH175 Instruction Manual INSTALLING MAIN GEAR ELECTRIC GEAR DIMENSIONAL DETAIL (mm) 48.50 0 12.0 5.10 43.70 30.70 51.00 41.00 21.00 9.75 30.60 2.50 24.10 92.20 4.20 ELECTRIC NOT INCLUDED. 5mm Washer 5x35mm Screw Screw 3x20mm Cap screw --- 8 5mm Flat washer --------2 3x4mm Setscrew -----------2 Door gear 3x6mm Button screw --------8 --------4 5x35mm Socket Head Cap Screw ---2 Wheel well ---2 -------2 Main gear ONLY INCLUDING OLEO STRUTS.
Viper Jet MKII Item code: BH175 Instruction Manual ELECTRIC GEAR RETRACTS Bottom view Bottom view C.A Open Close Screw 14 Apply instant glue C . A (C.A glue, super glue). Must be purchased separately! Cut off shaded portion carefully. Assemble left and right sides the same way.
Viper Jet MKII Item code: BH175 Instruction Manual Apply threadlocker (screw cement). Assemble left and right sides the same way. 1.5mm Drill holes using the stated. (in this case 1.5mm ). 3x20mm Screw Bottom view 2.
Viper Jet MKII Item code: BH175 Instruction Manual 3x4mm Bottom view 3x6mm Bottom view Bottom view Assemble left and right sides the same way.
Viper Jet MKII Item code: BH175 Instruction Manual Top view Top view Wing tip Top view B Apply epoxy glue. Assemble left and right sides the same way.
Viper Jet MKII Item code: BH175 Instruction Manual Wing tip Top view INSTALLING HORIZONTAL STABILIZER Pinned hinge -------------8 Bottom view B Apply epoxy glue. Assemble left and right sides the same way. Cut off shaded portion carefully.
Viper Jet MKII Item code: BH175 Instruction Manual Bottom view Assemble left and right sides the same way. INSTALLING THE HORIZONTAL STABILIZER SERVO 1. Install the rubber grommets and brass eyelets onto the aileron servo. 2. Using a modeling knife, remove the covering from over the pre-cut servo arm exit hole on the horizontal stabilizer servo tray / hatch. This hole will allow the servo arm to pass through when installing the aileron pushrods. 3. Place the servo into the servo tray.
Viper Jet MKII Item code: BH175 Instruction Manual Bottom view 2 2 3mm 90 o 2 mm approx.16mm 2 2 2x10mm Screw 1.5 mm Screw 2mm 1.5 mm 1.5 mm 2 x 10mm Tp Screw Warning! ----8 Set all scerws securely. If they come off during flight you will lose control of your aircraft! 2x10mm Screw Bottom view Pay close attention here. 20 Assemble left and right sides the same way. 1.5mm Cut off shaded portion carefully. 2 Drill holes using the stated. (in this case 1.5mm ).
Viper Jet MKII Item code: BH175 2 x 10mm Tp Screw Warning! ----8 Instruction Manual Set all scerws securely. If they come off during flight you will lose control of your aircraft! 2x10mm Screw Bottom view < Bottom view > Left < Bottom view > Right Assemble left and right sides the same way.
Viper Jet MKII Item code: BH175 Instruction Manual INSTALLING THE HORIZONTAL STABILIZER LINKAGES 1. Install the control horn into the horizontal stabilizer. 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 onto the servo. The servo arm should be perpendicular to the servo and point toward the middle of the horizontal stabilizer. 4.
Viper Jet MKII x2 3mm Flat Washer Item code: BH175 Instruction Manual 3x12mm 3mm Hex Nut Bottom view 3mm Flat Washer 3x12mm 3mm Hex Nut x2 < Bottom view > Left < Bottom view > Right Apply threadlocker (screw cement). Assemble left and right sides the same way. The number of times same way Assembly 2 the (in this case twice).
Viper Jet MKII Aluminium tube.
Viper Jet MKII Item code: BH175 Instruction Manual Top view INSTALLATION THE VERTICAL STABILIZER Pinned hinge -------------4 Hinges for Rudder are glued the same way as the aileron before. Bottom view Cut off shaded portion carefully. B Apply epoxy glue. Assemble left and right sides the same way.
Viper Jet MKII Item code: BH175 Instruction Manual Bottom view INSTALLATION THE VERTICAL STABILIZER SERVO 1. Install the rubber grommets and brass eyelets onto the aileron servo. 2. Using a modeling knife, remove the covering from over the pre-cut servo arm exit hole on the vertical stabilizer servo tray / hatch. This hole will allow the servo arm to pass through when installing the aileron pushrods. 3. Place the servo into the servo tray.
Viper Jet MKII Item code: BH175 Instruction Manual 90 o 2 mm approx.16mm 2x10mm Screw 2mm 1.5 mm Screw 1.5 mm 1.5 mm 2 x 10mm Screw ----4 Warning! Set all scerws securely. If they come off during flight you will lose control of your aircraft! 2x10mm Screw Bottom view Bottom view Cut off shaded portion carefully. Pay close attention here. 1.5mm Drill holes using the stated. (in this case 1.5mm ).
Viper Jet MKII Item code: BH175 Instruction Manual INSTALLATION THE VERTICAL STABILIZER LINKAGES 1. Install the control horn into the vertical stabilizer. 2. Locate the metal rod wire, screw the plastic link 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 servo and point toward the middle of the rudder. 4.
Viper Jet MKII 3mm Flat Washer Item code: BH175 Instruction Manual 3x12mm 3mm Hex Nut Bottom view 3mm Flat Washer 3x12mm 3mm Hex Nut Apply threadlocker (screw cement).
Viper Jet MKII Aluminium tube.
Viper Jet MKII Item code: BH175 Instruction Manual Ply Wood part for rudder stab ---------1 Top view Cut off shaded portion carefully. Apply instant glue C . A (C.A glue, super glue).
Viper Jet MKII Item code: BH175 Instruction Manual INSTALLING THE NOSE GEAR RETRACT Metal Clevis -------2 Cable rod -------2 Locknut -------4 3x30mm Connector 5mm Washer -------2 5x35mm Socket Head Cap Screw 5mm Flat washer 3x6mm Button screw 3x20mm screw 5x35mm -------1 Screw Screw --------1 --------1 -------4 Spring 3x6mm Wheel well -------1 65mm Wheels. 4x4mm Setscrew Nose gear 4x4mm Setscrew 32 Apply threadlocker (screw cement).
Viper Jet MKII Item code: BH175 Instruction Manual Bottom view Bottom view 3x20mm Screw Bottom view Cut off shaded portion carefully. Apply instant glue C . A (C.A glue, super glue). 1.5mm Drill holes using the stated. (in this case 1.5mm ).
Viper Jet MKII Item code: BH175 Instruction Manual 3x20mm Screw Bottom view 2 4 3 Cable rod 1 5 Crimp Cut off excess.
Viper Jet MKII Item code: BH175 Instruction Manual Bottom view 90 o Servo nose gear Metal Clevis 3mm 2 4 Cab link 1 5 Cut off excess. Cut off shaded portion carefully. 3 Hex Nut Must be purchased separately! Pay close attention here.
Viper Jet MKII Item code: BH175 Top view Cable rod Connector Servo nose gear 36 Instruction Manual
Viper Jet MKII Item code: BH175 Instruction Manual INSTALLING THE EDF AND LIP OF AIR INLET, OUTLET Plastic air intake Fiberglass intake --------2 Right Left Plastic air intake for cooling ESC --------2 Fiberglass air outflow --------1 7mm 330mm 404mm 7mm 620mm 10 0m m 15mm 4m 12 m Adhesive tape.
Viper Jet MKII Item code: BH175 Instruction Manual 9mm Center Line m 85m Top view Cut off shaded portion carefully.
Viper Jet MKII Item code: BH175 Instruction Manual Top view Bottom view Hatch Open / Close 39
Viper Jet MKII Item code: BH175 3x15mm Tp Screw ---------4 3x15mm Tp Screw Foam Bottom view Foam Must be purchased separately! 40 1.5mm Drill holes using the stated. (in this case 1.5mm ).
Viper Jet MKII Item code: BH175 Instruction Manual Adhesive tape. Bottom view EDF B Apply epoxy glue.
Viper Jet MKII Item code: BH175 Instruction Manual Bottom view Bottom view Ply Wood part for the rear bottom fuselage -----------2 Bottom view B Apply epoxy glue. Apply instant glue C . A (C.A glue, super glue). 42 Cut off shaded portion carefully.
Viper Jet MKII Item code: BH175 Instruction Manual Bottom view Open / Close SECURE THE WING TO THE FUSELAGE Attach the wings to the fuselage and secure the wing panels. 19mm Aluminium tube.
Viper Jet MKII Item code: BH175 Bottom view Assemble left and right sides the same way.
Viper Jet MKII Item code: BH175 Instruction Manual Top view INSTALLING THE RECEIVER AND BATTERY 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 easier when you are installing the wing. Plug the battery pack lead into the switch. 2. Wrap the receiver and battery pack in the protective foam to protect them from vibration. Use a rubber band or masking tape to hold the foam in place.
Viper Jet MKII Item code: BH175 Instruction Manual Receiver Battery Switch On Off Battery Top view Battery INSTALLING COCKPIT FUSELAGE Position the canopy so the rear frame on the canopy is 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 completely around the canopy hatch.
Viper Jet MKII Item code: BH175 Instruction Manual Top view Top view Open/Close Top view Adhesive tape B Apply epoxy glue.
Viper Jet MKII Item code: BH175 LATERAL BALANCE BALANCING 1. It is critical that your airplane be balanced correctly. Improper balance will cause your plane to lose control and crash. Instruction Manual ! After you have balanced a plane on the C.G. You should laterally balance it. Doing this will help the airplane track straighter. THE CENTER OF GRAVITY IS LOCATED 160-165mm (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. 1.
Viper Jet MKII Item code: BH175 Instruction Manual In order to obtain the CG specified, reposition the receiver and other equipment. If not obtain the CG specified, add a weight and adjust. Do not fly before confirming the correct location of the CG. If the CG is incorrect, you lose control of your airplane which leads to accidents. CG Pay close attention here. Assemble left and right sides the same way.
Viper Jet MKII Item code: BH175 CONTROL THROWS 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 control surfaces move in the correct directions. LOW RATE Ailerons : 12 mm up 12 mm down Elevator : 10 mm up 10 mm down Rudder : 35 mm right 35 mm left Flap : 25 mm Instruction Manual FLIGHT PREPARATION PRE FLIGHT CHECK 1.
Viper Jet MKII Item code: BH175 Instruction Manual 25 mm Flap Control FOR YOUR RADIO INSTALLATION BASIC CONNECTION FOR AIRPLANE AND ADJUSTMENT OF SERVOS Example of connection For more information, refer to radio system instruction manual. Follow instruction manual of Engine and Battery.
Viper Jet MKII Item code: BH175 Instruction Manual MAIN GEAR DIMENSIONAL DETAIL NOSE GEAR STRUTS MAIN GEAR STRUTS LANDING GEAR MOUNT.. 8mm 65mm 75mm 122mm 117mm 40mm 50mm 10mm 5.1mm hold 5.
Viper Jet MKII Item code: BH175 Instruction Manual DECORATION < Side view > Left N520VF < Side view > Right N520VF Top view Bottom view 53
3mm 3x15mm m 3x12m 3x6mm m 3mm m 3x12m 3x12m 3x15mm 55mm m 3x12m 3mm 3mm EXPLODED VIEW 6mm 3mm m 3x12m 3mm m 3x12m m 3x12m m 3x12m m 3x12m 3x12m 3mm 3mm m 3mm m 3x12m m m 3x12m 3x12m 3x12m m 3x15mm 3x15mm 3x6mm
I/C FLYING WARNINGS NEVER fly near power lines,aerials or other dangerous areas including airports, motorways etc. AL WAYS adjust the engine from behind the propeller, and do not allow any part of your body to be in line with the propeller. Always operate in open areas, away from factories, hospitals, schools, buildings and houses etc. NEVER fly your aircraft close to people or built up areas. D O N O T dispose of empty fuel containers on a fire, this can lead to an explosion.
I/C FLYING GUIDELINES When ready to fly, first extend the transmitter aerial. Operate the control sticks on the transmitter and check that the control surfaces move freely and in the CORRECT directions. ALWAYS land the model INTO the wind, this ensures that the model lands at the slowest possible speed. OFF - ON OFF - ON OFF - ON Switch on the transmitter. Check that the transmitter batteries have adequate power. Switch off the receiver. OFF - ON OFF - ON OFF - ON Switch on the receiver.