O.S. Max 37 SZ-H Ring Helicopter Engine

O.S. Max 37 SZ-H Ring Helicopter Engine
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SKU
OS14000
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196.00
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O.S. Max 37 SZ-H Ring Helicopter Engine

Description

Premium performance for 30-40-sized machines, from extreme aerobatics to stable hovering
Same mounting pattern and muffler dimensions as the .32 SX-H, for easy installation in most 30-40 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
Two year limited warranty

Includes:

  • O.S. Max .37 SZ-H Ring Helicopter Engine
  • #8 Glow Plug
  • 20M Carburetor
  • Instruction manual
  • 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: 10.3 oz (293g)
Crankshaft Size: 1/4-28
Distance between mounting holes same side: 0.6" (15mm)
Distance between mounting holes opposite side: 1.5" (38mm)
Width including mounting flanges: 1.8" (45mm)
Width neglecting mounting flanges: 1.5" (38mm)
Height/bottom of crankcase to top of cylinder head: 3" (76mm)
Height/bottom mounting flanges to top of cylinder head: 2.4" (61mm)
Distance/center of crankcase to front bearing: 1.8" (46mm)
Distance from backplate to front bearing: 2.6" (67mm)
Distance from backplate to end of crankshaft: 3.7" (94mm)
Low speed needle 1 turn in from flush with carb body
High speed needle 1.5 turns out from closed
 

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