Accessories Needed for:
O.S. 91HZ Ringed Helicopter Engine
COMPLETION NOTES FROM THE TECH DEPARTMENT
This is the O.S. .91HZ Heli Engine with 61E Carburetor. FEATURES: 61-E carb w/needle valve control lever, ball bearing supported crankshaft, #8 glow plug, 0.2mm thick head gasket REQUIRES: 10%-30% nitro with at least 18% castor or synthetic oil or castor synthetic blend, glow starter & field equipment
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