Two-stroke helicopter engine with 8.17 cc glow plug with RC carburetor. Power 1.4 kW (1.9 PS) at 17000 rpm. Weight without shock absorber 406g.


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In stock: > 10 pcs
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Price with VAT:
(DPH CZ 21%)
236,07 € 223,97 €
Price without VAT
185,10 €

-12,10 €


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Two-stroke engines OS MAX is the peak of the power units for helicopters. Traditionally, sophisticated design using premium materials ensures high performance and long life.

  • Two needle carburetor for optimum fuel mixture throughout the rev range with remote control main needle (when mounted tuning kit).
  • Armed lever carburetor to control double ran without dead movement and clearance.
  • Blue anodized cylinder head with intricately shaped fins for superior cooling.
  • A balanced crankshaft mounted on precision ball bearings to minimize vibration and maximize performance.
  • The engine is prepared for mounting the tuned muffler PowerBoost 55th
  • The rear cover is prepared for mounting the sensor for governor Futaba GY-701.

MAX 50SX-H Hyper is a high performance two-stroke engine with glow plug with a classic design with a piston with a piston ring for F3C and 3D aerobatic helicopters Class 50. It is equipped dvoujehlovým 60LH carburetor type, which can be completed remotely controlled main tuning needle. Ideal complement to the engine is tuned silencer PowerBoost 55th

  • Similar dimensions for a class motors .30.
  • The crankshaft has a thread for propeller nut UNF 1/4-28
  • Recommended fuel: at least 18% castor or synthetic oil (or. A mixture of synthetic and castor oil), 10-30% nitromethane.
  • Recommended Plug: OS MAX No.8, when using fuel with a higher content of nitromethane OS MAX No. 10 (formerly A5).

Set engine includes: motor MAX 50SX-H Hyper RC 60LH carburetor, glow plug No. 8, instruction manual.

Displacement [cc] 8.17
Number of cylinders 1
Bore [mm] 22
Stroke [mm] 21.5
Operating speed [rpm] 2000-20000
Engine power (at 17,000 rpm) [kW] 1.4
Power (at 17,000 rpm) [HP] 1.9
Weight (motor) [g] 406
Recommended candle OS MAX No. 8, No.10 (A5)
Thread on the shaft UNF 1 / 4-28

Recommended accessories

Spare parts