Kyosho CONCEPT 46 VR Instruction Manual
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Kyosho CONCEPT 46 VR Instruction Manual

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INSTRUCTION MANUAL
CONCEPT 46 VR
INDEX
RADIO PREPARATION
BEFORE YOU BEGIN
ASSEMBLY
OPERATING YOUR MODEL SAFELY
PARTS LIST
EXPLODED VIEW
© 1997 KYOSHO
REQUIRED FOR OPERATION
SETTINGS FLIGHT LESSONS MAINTENANCE
SPARE & OPTIONAL PARTS
SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE.

SAFETY PRECAUTIONS

This radio control model is not a toy.
This is a kind of machine including a rotor which rotates with
high speed and has a possibility to be dangerous. You are
responsible for this model's assembly, safe operation (place
to fly, frequency) check and adjustment of the model.
Assemble this kit only in places out of children's reach!
Take enough safety precaution before and after operation.
After every flight, inspect screws and nuts for looseness, and
parts for wear. Any damaged parts should be immediately
replaced, repaired or adjusted for safe operation.
Use only Kyosho genuine parts for replacement.
Failing to do so will result in accidents or malfunction of the
model. Kyosho do not take responsibilities for the accidents
and crashes if using the parts which are not Kyosho genuine
ones.
Always keep this instruction manual ready at hand for quick
reference, even after completing the assembly.
THE FINEST RADIO CONTROL MODELS
RADIO CONTROLLED
46 ENGINE POWERED
HELICOPTER
No. 21722
No. 21721
R
2
3
4 ~ 5
6 ~ 24
25
26 ~ 35
36
37 ~ 41
42 ~ 44

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Summary of Contents for Kyosho CONCEPT 46 VR

  • Page 1: Safety Precautions

    Failing to do so will result in accidents or malfunction of the model. Kyosho do not take responsibilities for the accidents and crashes if using the parts which are not Kyosho genuine ones. Always keep this instruction manual ready at hand for quick reference, even after completing the assembly.
  • Page 2 No.21721 / No.21722 CONCEPT 46 VR SUPPLEMENTARY THE FINEST RADIO CONTROL MODELS INSTRUCTION SHEET Please use these supplementary instructions in conjunction with the manual included in your kit. VR-6, VR-B Engine Page 11 Assemble the counter gear. 3 12mm 3 20mm...

  • Page 3: Required For Operation

    REQUIRED FOR OPERATION (1) Radio for engine-powered AA-size Batteries (for transmitter) R/C helicopters Radio for engine-powered R/C helicopters, and dry batteries This kit requires a radio for engine-powered R/C helicopters with 5 servos and 1 gyro. For more information on the radio, refer to SUITABLE SERVOS its explanations.

  • Page 4: Radio Preparation

    REQUIRED FOR OPERATION (2) CAUTION: Handle tools carefully! Tools required WICHTIG: Gehen Sie vorsichtig mit Werkzeugen um! IMPORTANT: Maniez les outils avec prudence! Needle Nose Pliers TOOLS INCLUDED 1.5mm, 2mm, 2.5mm, 3mm Phillips Screw Driver (L.M.S) Hex Wrench (1.5mm, 2mm, 2.5mm, 3mm) Wire Cutters Sharp Hobby Knife Plug Wrench...

  • Page 5: Before You Begin

    Read through the manual before you begin, so you will have an overall idea of what to do. Check all parts. If you find any defective or missing parts, contact your local dealer or our Kyosho Distributor. How to read the instruction manual:...

  • Page 6: Other Hardware

    LED lamps whether somebody else is on your fre- q uency or not! PERSONAL BAND MONITOR KYOSHO CORPORATION No.80591 (40MHz) No.80592 (72MHz) No.80591 6,000 Special crystals are JRMSA available at Kyosho! KYOSHO CORPRATION...
  • Page 7 This instruction manual is both for kit No.21722 and semi-assembled kit No.21721 with engine.When referring to the instructions for completing the assembly, make the following distinctions. CONCEPT 46 VR (assembly kit) : All steps from through CONCEPT 46 VR (semi-assembled) : All steps from 16 23 through VR-A, VR-E Rotor Head...

  • Page 8: Rotor Head

    Rotor Head Hex Wrench 2mm A Ð A ' Tighten the set screws when A and A ' are equally long. To balance left and right ends, place a piece of tape to the lighter end. Align with by rotating VR-A, VR-B Rotor Head Note the direction of parts...
  • Page 9 VR-A Rotor Head 2.6 12mm 2.6 12mm Screw 2.6mm 2.6mm VR-A Rotor Head 163 368 10 4.8mm Ball End 47mm 2 36mm Stabilizer Control Rod Adjustable Rod approx. 47mm 21.5mm 2 62mm Pitch Rod approx. 21.5mm Adjustable Rod 22mm Stabilizer Rod approx.
  • Page 10 VR-B, NE-C, VR-D Mast Mast Assembly 8 12mm Ball Bearing 2 14mm VR-D Main Gear 3 7mm 3 7mm F/H Screw 3 18mm Cap Screw Nylon Nut 3 18mm No.96506 VR-D, VR-5, VR-6 Control Lever 2 8mm RT/H Screw Linkage Ball E2.0 2 8mm E-ring...
  • Page 11 VR-D, VR-5 Aileron Lever 3 12mm Cap Screw 3 20mm Cap Screw 3 12mm 3 20mm TP Screw 3 20mm 2 8mm 2 8mm RT/H Screw 2 8mm Linkage Ball 3 8mm 3 20mm Washer 3 8mm 2 8mm Aileron Lever Collar VR-6, VR-B Engine 2 10mm...
  • Page 12 VR-6 Fan Casing 2.6 10mm 2.6 10mm TP Screw VR-7 Fuel Tank 140mm) Silicone Tube (thick 140mm) To muffler Silicone Tube (thin) To engine 140mm) When using a fuel filter, Silicone Tube (thick 140mm) install here. 3 12mm VR-B, VR-5 Engine VR-6 Counter Gear Assembly...
  • Page 13 VR-D, VR-5, NE-9, VR-12 Frame 4 14mm 2 8mm 3 10mm RT/H Screw Cap Screw Washer 3 10mm TP 3 35mm Screw Cap Screw Linkage Ball 3 15mm TP Screw 3 118mm Screw 3 25mm TP Screw 4 5mm Screw 3 35mm 3 15mm 3 25mm...

  • Page 14: Tail Rotor

    VR-B, VR-10 Tail Gearbox 2.6 8mm 5 10mm Screw Ball Bearing 2.6 14mm Screw 3 4mm 8 14mm 3 4mm Set Screw Ball Bearing 4 5mm Set Screw 2.6 8mm 2.6mm 2.6 14mm 2 12mm 4 5mm Collar 2.6mm Filmly tighten the set screws to the flats. VR-B, VR-10 Tail Rotor 3 4mm...
  • Page 15 VR-10 Tail Rotor 2 10mm 2 10mm RT/H Screw 2.6 8mm Cap Screw 2.6 8mm 3 16mm 3 16mm Cap Screw Tighten the screws ensuring can still move. 2.6mm Nylon Nut 2.6mm Nylon Nut Click in. Linkage Ball VR-10 Control Lever 2 10mm RT/H Screw Collar...
  • Page 16 VR-8, VR-11 Skid 3 8mm 3 8mm TP Screw 3 18mm TP Screw 3 4mm Set Screw 25mm VR-A Rotor Head 3 20mm Cap Screw(Special type) Nylon Nut 3 20mm Pitch Rod Stabilizer Rod Stabilizer Control Rod 2.6 12mm VR-8 Radio Aileron Control Servo 2.6 12mm...
  • Page 17 VR-8, VR-11 Radio Receiver Cords Wrap the receiver in sponge for protection against vibration. Switch Make sure the gyro does not contact the frame. Gyro Amp Follow the radio instruction manual for connecting. NiCd Battery Switch Gyro Gain Controller VR-8 approx.
  • Page 18 Parallel VR-8 Pitch Linkage 4.8mm Ball End High 2 84mm Adjuster Rod If adjuster rod is interfere with frame, please bend adjuster rod to avoid interfere. 78mm approx. 78mm Neutral 8 12mm approx. 8mm~12mm VR-8 Rudder Rod 3 10mm Screw 1.7 260mm Neutral 3 10mm...
  • Page 19 VR-8 Aileron Linkage 27mm approx. 27mm 4.8mm Ball End Make of same length. 2 81mm Refer to the diagram above and Adjuster Rod adjust the tightness of 2 40mm Adjustable Rod approx. 2mm 1.7mm 10mm approx. 10mm 10mm approx. 10mm 1.7mm Screw down to the...
  • Page 20 VR-8 Tail Pipe 3 4mm Set Screw Neutral Tighten the set screw when a 90¡ angle is produced. 60mm approx. 60mm Insert the tail boom up to the mark indicated. 3 4mm Rotate the gear and check if the tail rotor rotates. 15mm View from back.
  • Page 21 VR-8 Body Mount 3 25mm 3 25mm Screw VR-8 Body 3 8mm TP Screw Front 3 8mm VR-8 Canopy 2 5mm TP Screw Decal 2 5mm Part bags used. Drill holes with the specified diameter (here: 2mm). Cut off shaded portion. Assemble as many times as specified (here: twice).
  • Page 22 Decal The decal numbers between Apply decals as illustrated. brackets are for the opposite side. Body Assemble in the specified order.

  • Page 23: Main Rotor

    NE-F Main Rotor Positions for gluing 3 12mm Screw Trim the shaded portion of the film. Note the direction. 3 12mm WARNING : The gluing of has to be done precisely. Unprecision will lead to accidents when flying. If the temperature is low, use a (hair) dryer to warm up the sections for gluing, and glue together.
  • Page 24 Main Rotor Pitch Rod Main rotor pitch adjustment HOVER-PITCH (6û) Center the throttle control stick. Slide the pitch Hover Pitch gauge onto each blade. Adjust the length of both pitch rods to make the stabilizer bar run parallel to the hover pitch line on the gauge. Move the throttle control stick to high and set with your transmitter a high pitch.

  • Page 25: Final Check

    Final Check Check all parts. Examine all screws, etc. for their tightness. The tail rotor will not rotate if the set screw is loose! Examine sticks and servos for The tail drive check hole allows you to check the set adequate movement.
  • Page 26 OPERATING YOUR MODEL SAFELY WARNING: Do NOT operate the helicopter in the following places and situations: (Non-observance may lead to accidents!) Always check the radio batteries! If the radio batteries get weaker, transmission and reception decrease. You may lose control of your model when opera- ting it under such conditions.
  • Page 27 CONCEPT 46 VR Control Reactions Below are listed the reactions of the CONCEPT 46 VR according to your inputs. HELICOPTER RESPONSE HELICOPTER RESPONSE CONTROL STICK POSITION (MODE 1) Throttle High Engine rpm and the main rotor pitch increase. As a Engine rpm and the main rotor pitch decrease.

  • Page 28: Starting The Engine

    Checklist before flying With , the main rotor pitch becomes smaller. With , the main rotor pitch becomes bigger. With , the swashplate tilts right. With , the swashplate tilts left. With , the swashplate tilts back. With , the swashplate tilts fore. With , the slide ring moves left.

  • Page 29: Engine Stopping

    STARTING THE ENGINE (2) Plug Heating Always check the dry batteries used in the plug heater. Engine Starting Ensure the engine starter is rotating into the direction illustrated. (If rotating into the opposite direction, reverse the clips.) When the engine starts, take hold of the rotor head so the rotor blades will not rotate.

  • Page 30: Trim Adjustment

    Trim Adjustment NOTICE: Adjust and practice flying only when there is a weak wind or no wind. Correct any yawing, rolling or pitching of the helicopter during take offs with the trims. As the engine speed increases and the helicopter is close to taking off, the following tendencies may be noticed for the helicopter to yaw ), to roll ( ) or to pitch (...
  • Page 31 Hover-Lesson 2 Headwind Hovering necessitates constant control. Repeat practicing the hover until your fingers get used to doing the controls on the 10m away transmitter. Direct the helicopter into the wind. Stand behind the helicopter. Raise the throttle control stick a little, making the helicopter hover at a height of 5 ~ 10 cm.
  • Page 32 High Altitude Flight In the beginning , do not fly too fast when practicing banking at high altitude. With right banking: 10m away Tilt the helicopter to the right side using the aileron control stick. Pull up the elevator control stick and move the rudder control stick right.

  • Page 33: Maintenance

    Wipe off any dirt or oil deposits from your helicopter. Wearing Parts WARNING: When replacing defect parts with new ones, please only use Kyosho brand genuine parts. Ball End / Linkage Ball Swashplate...
  • Page 34 Mast Parts Replacement (1) Engine Detach the elevator links from the swashplate. Unscrew the screws fastening the top ball bearing case and main gear housing and pull out the Remove the fuel tubes, throttle linkage and muffler. mast from above. Remove the screws for installing engine and the needle.

  • Page 35: Parts Replacement

    Parts Replacement (2) Position of the Mast Stopper Rotate the rotor head until the stabilizer bar and mixing lever become parallel. Main Gear Backlash Adjustment. Stabilizer Bar Parallel Mixing Lever No. H-3210 8 12mm While pressing the rotor head (from above) and mast stopper Shim (from below) together, tighten all 4 screws equally.

  • Page 36: Troubleshooting

    Troubleshooting Problem Cause Remedy Engine will not start. Engine Weak starter battery. Recharge. Too much fuel inside engine. Remove plug. Using starter, eject excess starter will not spin. (It is ÒoverchokedÓ!) fuel. Weak plug heater battery. Recharge or replace. Defect plug. Replace.

  • Page 37: Parts List

    PARTS LIST DESCRIPTION DESCRIPTION Key No. Bag No. Q'ty Key No. Bag No. Q'ty Stabilizer Bar VR-E Cyclic Lever Link NE-C Hiller Control Lever Bushing VR-A Root Cover (A) VR-11 Hiller Control Lever VR-A Root Cover (B) VR-11 4.8mm 4.8mm Ball End VR-08,VR-A Mast NE-C...

  • Page 38: Exploded View

    < > EXPLODED VIEW (1) 2.6x12mm 426 H-3303 4 H-3063 H-3003 4x5mm 3x12mm H-3365 H-3302 128 H-3101 437 1192 201 H-3239 H-3320A 353A 2x8mm H-3301A 56 H-3006 2x10mm 427 H-3303 Z-8007 3x20mm 3x6mm 2.6mm H-3241 H-3503 129 H-3103 H-3307 H-3309 3x13mm H-3304 2x8mm...
  • Page 39 < > EXPLODED VIEW (2) 366 H-3323 364 H-3321 388 H-3344 H-3503 H-3016 367 H-3324 H-3503 2x8mm H-3501 431 PI-15 H-6034 H-3501 4x5mm H-3503 H-3106 H-3122 H-3502 H-3025 2x10mm H-3006 18 H-6033-2 2x10mm 3x12mm H-3248 H-3508 H-3024) 3x20mm 3x12mm 47 H-3019 3x20mm 3x14mm H-3021...
  • Page 40 < > EXPLODED VIEW (3) 96781 4x14mm 3x118mm 2x10mm H-3522) H3503 H3513 3x30mm H3511 H3511 H3513 H-3073) H-3522) H3509 H3222 H3507 H-3221) H3222 3x35mm 3.5x14mm H3512 Parts with ( ) are 32VR.
  • Page 41 458 H-3518 2x5mm 459 H-3517 1806 3x25mm 108 H-3054 3x15mm 450 H-3514 451 H-3514 2.6x12mm 3x25mm 3x8mm 96 H-3055 97 H-3055 3x15mm 153 H-3072 3x8mm 3x18mm 3x4mm 103 H-3064 360 H-3515 107 H-3054 3x18mm 3x4mm H-3338...
  • Page 42 < > EXPLODED VIEW (5) 74 H-3039 H-3504 H-3375 180 538 2.6x8mm 80 H-3042 2.6x14mm H-3376 83 1901 84 H-3376 88 H-3048 3x25mm 79 H-3375 83 1901 81 H-3042 212 Z-8007 4x5mm 245 H-6054 3x4mm 3x16mm 2.6x8mm H-3505 76 H-3040 H-3376 75 H-6047 2.6mm...

  • Page 43: Spare Parts

    SPARE PARTS FOR JAPANESE MARKET ONLY. Part Names Qty. Part Names Qty. 406 x 2 407 x 4 H3003 H3336 Tail Support Pipe Hiller Control Lever Set 5x13x4mm 1600 H3338 102 x 4 181 410 x 2 H3006 1000 Skid Set 5x13x4mmBall Bearing H3344 388 x 2...

  • Page 44: Optional Parts

    OPTIONAL PARTS FOR JAPANESE MARKET ONLY. Part Names Qty. Part Names Qty. H3039 5500 Z6008G Color Tail Wing Set (Blue) HP Tail Rotor Grip aluminum H3039 Z8006 5x45x145mm 1000 Color Tail Wing Set (Green) Vibration-absorbing Sheet Size H3039 Z8031 1900 Color Tail Wing Set (Pink) NF Linkage Set better reliability...
  • Page 45 SCREW NUT etc. FOR JAPANESE MARKET ONLY. Size (mm) QUANTITY Size (mm) QUANTITY ¯ QUANTITY Round Head Screw Round Head Self-Tapping Screw 1101 2x6 2x8 2x10 2x15 5 each 1132 2x4 2x6 2x8 2x10 5 each 1171 2mm 2.6mm 10 each 1102 2.6x8 2.6x10 2.6x12 2.6x14 5 each...

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