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This is the O.S. .91HZ-PS 3D Helicopter Engine with Pump and 61B-PII Carburetor., Brand New in Box. Made in Japan
This is the new version O.S. .91HZ-PS 3D Helicopter Engine with Pump and new 61B-PII Carburetor.
The 91HZ Ringed Heli Engine is a major player at heli competitions worldwide, and this newest version takes 3D performance to another level!
- The redesigned regulator is positioned horizontally, working with the PD-08 fuel pump it delivers a steady supply of fuel regardless of the helicopters attitude or demand on the engine.
- The piston and crankshaft are designed to reduce vibration and improve torque over the entire rpm range.
- The narrow profile of the heat sink head helps the 91HZ fit completely inside cooling shrouds without cutting or losing cooling power,and a thermo insulator on the 61B-PII carburetor blocks engine heat to ensure a stable fuel/air mix.
- Includes in-flight needle value adjustment arm.
A proven powerhouse...made better!
FEATURES: - PD-08 pump works with a matched 61B-PII carburetor and integral
regulator attached to carburetor to deliver a steady fuel supply
at any altitude
- Short rectangular heatsink can be entirely enclosed inside cooling
shroud to lower operating temperatures
- Newly designed piston and crankshaft further reduces vibration and
improves torque stability over entire RPM range
INCLUDES: O.S. .91HZ-PS 3D Helicopter Engine with Pump, 61B-PII Carb, #8 Glow
Plug, instruction manual
SPECS:
Displacement: 0.91 cu in (14.95 cc)
Bore: 1.09 in (27.7mm)
Stroke: 0.98 in (24.8mm)
Practical RPM: 2,000 - 16,000
Power Output: 3.4 hp @ 15,000 RPM
Weight: 1.4 lb (635g)
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