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A .91 heli engine designed for 3D thrills! |
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Buy a new O.S. Engine between August 3rd and December, 31st 2009 and exchange the engine you're replacing for a valuable O.S. Engines merchandise certificate.
Click Here For More Information
And To Download Your Rebate Form.
To take advantage of this Manufacturer's Mail-In Rebate Offer you must download and print the Rebate Form above. (file size 208K) Downloads Require Adobe Acrobat Reader 3.0 or higher.
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- The 91HZ-PS’s pump works with a matched 61B-P carburetor and integral regulator to deliver steady fuel supply to the engine at any attitude — even during the most severe 3D maneuvers.
- The rectangular heatsink is entirely enclosed inside the cooling shroud to lower operating temperatures.
- The piston and crankshaft are newly designed to further reduce vibration and improve torque stability over the entire rpm range.
- A thermo insulator on the carburetor blocks engine heat to ensure more stable fuel/air mix.
With its PD-08 fuel pump and regulator, the 91HZ-PS is the perfect power plant for 3D, delivering the consistent high-end power needed for executing extreme maneuvers.
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Specifications |
Displacement: 0.91 cu in (14.95 cc)
Bore: 1.09 in (27.7 mm)
Stroke: 0.98 in (24.8 mm)
Practical RPM: 2,000-16,000
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Power Output: 3.4 hp @ 15,000 rpm
Weight: 1.4 lb (635 g))
Includes: #8 glow plug, PD-08 fuel pump, 61B-P carburetor
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