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- O.S MAX 91HZ-PS
MAX-91HZ-PS
Specifications:
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)
Instruction:
This is a high performance engine expressly designed for 3D flight with 90 size helicopters basing on the MAX-91HZ and equipped with new O.S. PD-08 pump and regulator system.
The pump feeds fuel stably irrespective of violent changes in model attitude and the regulator regulates fuel pressure from the pump keeping the pressure at a set level.
The 61B-P carburetor with twin needles enables adjustment of idling, hovering and 'in air flight' independently.
Features:
PD-08 pump works with a matched 61B-P carburetor and integral regulator to deliver a steady fuel supply at any attitude even during the most adventurous 3D manuevers
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
Thermo insulator on carburetor blocks engine heat to ensure more stable fuel/air mixture
Pull pull throttle setup
Includes:
O.S. .91HZ-PS 3D Helicopter Engine with PD-08 Pump, #8 glow plug and manual
Requires:
Fuel: 15% heli mix