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55HZ-R DRS Ringed .55 Helicopter Engine

Item No. OSMG1957
55HZ-R DRS Ringed .55 Helicopter Engine
Backorder
Brand Logo
5 out of 5 Customer Rating

55HZ-R DRS Ringed .55 Helicopter Engine

Item No. OSMG1957
$399.99 Price reduced from $599.99 to
Next Shipment November 2020
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State-of-the-art power for serious heli pilots!

The 55HZ-R DRS Ringed delivers state-of-the-art power for serious heli pilots! It includes the Demand Regulator System for outstanding run consistency and a built-in mount for Futaba GY701 and CGY750 rpm sensors. Two needles on the included 40-LR carb let pilots precisely adjust middle and high speeds.


O.S. Two Year Limited Warranty
  • Includes: #8 plug, 40-LR carb & check valve.
  • 2-year limited Hobby Services warranty.
  • The Demand Regulator System (DRS) uses pressure to consistently deliver the optimal air-fuel mixture to the engine — regardless of the heli's attitude.
  • Two needles on the carburetor precisely adjust middle and high speeds.
  • A hole in the cover plate allows for mounting an rpm sensor for the Futaba® GY-701 governor or CGY750 gyro, ensuring precise rpm control.

Product Specifications

Specs

Bore 0.91 in (23 mm)
Carb Type O.S. 40L-R dual needle rotary
Crankshaft Threads UNF1/4-28
Crankshaft Type Threaded
Cylinders Single
Displacement 0.55 cu in (8.93 cc)
Power Type Glow
HP 2.1PS, 2.07 HP @ 17,000rpm
Product Height 3.6 in (90.9 mm)
Product Length 3.0" (76.6mm) from backplate to front bearing
Product Width 2.0 in (52 mm) at mounting tabs
Recommended Fuel 10-30% nitro content, at least 18% lubricant content (heli blend)
RPM Range 2,000 - 20,000 rpm
Stroke 0.85 in (23.5 mm)
Total Weight 15.13 oz (429 g)