O.S. MAX-37SZ-H Ring 2-Stroke Engine
[OS-14000]

O.S. MAX-37SZ-H Ring 2-Stroke Engine for Helicopter

This is the O.S. Max .37 SZ-H Ring Helicopter Engine.

The "MAX-37SZH RING Hyper" brings you even higher performance to flying in 30 class helicopter. Plentiful power for 3-D thrills. Designed to deliver premium performance for 30-sized machines, from extreme aerobatics to stable hovering! Features the same mounting pattern and muffler dimensions as the .32 SX-H, for easy installation in most 30-size helis. The crankshaft has been re-engineered to reduce vibration, resulting in smooth power across the entire rpm range. A larger rear bearing boosts power even more.

Features:
Premium performance for 30-sized machines, from extreme aerobatics to stable hovering
Same mounting pattern and muffler dimensions as the .32 SX-H, for easy installation in most 30-size helis
Re-engineered crankshaft reduces vibration resulting in smooth power across the entire RPM range
20M carburetor with idle needle positioned on same side as main needle for easier adjustments


Package Included:
One O.S. Max .37 SZ-H Ring Helicopter Engine
#8 Glow Plug
20M Carburetor
instruction manual and sticker sheet

Specifications:
Displacement: 0.37 cu in (6.07cc)
Bore: 0.806 in (20.5mm)
Stroke: 0.725 in (18.4mm)
Practical RPM range: 2000-21,000
Output: 1.4 ps @ 18,000 RPM
Weight: 10.3oz (293g)

Requires:
Muffler
Heli fuel with 10%-30% nitro content

Code No. 14000