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Copyright © 2006
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O.S. .37 SZ-Heli Ring Engine |
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Tech NotesPremium 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
INCLUDES:
One O.S. Max .37 SZ-H Ring Helicopter Engine, with #8 Glow Plug, 20M Carburetor, instruction manual and sticker sheet
SPECSDisplacement: 0.37 cu in (6.07cc)Bore: 0.806 in (20.5mm)Stroke: 0.725 in (18.4mm)Practical RPM range: 2000-21,000Output: 1.4 ps @ 18,000 RPMWeight: 10.3oz (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 bodyHigh speed needle 1.5 turns OUT from closed
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