os91hz
NIB O.S. MAX-91 HZ Competition Heli Engine with Pump # 18620
Description :
You are bidding a O.S. MAX-91HZ PS Heli
Engine, Brand New in Box , Made in Japan.
This is the O.S. .91HZ-PS 3D Helicopter Engine with PD-08 Pump.
MAX-91HZ has been improved greatly corresponding to users’ requests in the
field. The slim heatsink head fits into fan shroud without having to cut it. So
the fresh air reaches the heatsink head and the carburetor without any loss. The
improved areas are the scavenging port, exhaust port, crankcase heatsink, and
the new heatsink head. The combination of these modifications contributes to
cool performance and stable power output. In addition, the engine noise is
reduced by improving the overall balance of the engine for smoother higher
engine performance. MAX-91HZ has succeeded in acquiring champion quality to
win competition, keeping its “easy to tune” and “consistent R.P.M.” nature
achieved by the fine tunings through our unrelenting effort.
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
- The piston is modified to attain a lighter body and better performance.
The combustion gas presses on the piston ring from within through the five
holes laid out on the piston top to minimize the blow-by gas.So the combustion
energy is effectively transferred to the crankshaft.
INCLUDES:
- O.S. Max .91 HZ PS Ringed Helicopter Engine
- GLOW PLUG NO.8
- Carburetor Rubber gasket
- NEEDLE AJUSTING SCREW （M2.6 X 5 2 pcs ）
- CARBURETOR Complete 61B-P
- English Instruction Manual
SPECS:
Displacement: 0.912 cu in (14.95 cc)
Bore: 1.091" (27.7mm)
Stroke: 0.976" (24.8mm)
Output: 3.4 ps @ 15,000 RPM
Practical RPM Range: 2000-16,000
Weight: 22.39oz (635g)
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carefully before placing your order. If you have any questions please don't
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Shipping & Handling :
1.The item will be shipped out by
registered air mail through Post Office. Usually, it takes 6~14 business days
delivery time depending on your location.
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date. We will then file an inquiry to the post office.
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1. No returns will be accepted except for
manufacturer's defect, buyer required to return the item at his own cost.
2. Defective products must be reported within 7 days of original arrival date.
We will reship the item for free or fully refund. Otherwise, Buyer needs to pay
S&H again for re-ship the item or we only refund the item price.
3.We reserve the final right of selling.
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