The Choppy
	Quantity in Basket: none Code: XP2027 Price: $48.00 Shipping Weight: 1.40 pounds
	Add Choppy/AW-95 video to order?: No Video VHS: $30 DVD: $33
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Choppy Helicopter Construction Plans The Adams-Wilson "Choppy" single-seat helicopter is undoubtedly the best known and most popular homebuilt helicopter ever developed. Also known as the Flying Triumph or Hobbycopter, this design was the inspiration for a number of other successful homebuilts, including the A/W-95 and the Scorpion-I. The 40-page, 11" X 17" Construction Manual provides all necessary details for building this affordable aircraft. More about the Choppy... CONFIGURATION: Single seat. Two-bladed single main rotor. Anti-torque tail rotor. Bolted aluminum-tube airframe. CONTROL: Main rotor: full cyclic and collective pitch, incorporating a swash plate system. Maximum registered control forces: cyclic 1½ lb., collective 5 lbs., rudder 5 lbs. Tail rotor pitch: bellcrank operated. Autorotation accomplished by manual-disengagement lever at cyclic stick. POWER PLANT (Prototype): Triumph motorcycle engine rated at 52 hp., 650 cc., vertical twin cylinder O.H.V., magneto ignition, dry sump lubrication, kick lever starting, fuel 100 octane, fuel consumption approximately 4.2 gals. (U.S.) per hour at sea level. Virtually any aircraft, motorcycle, marine, etc. engine of 450 c.c. to 1100 c.c., or 45 hp. or more may be substituted. Order Option:  • Choppy Video—VHS or DVD (indicate above)

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