37SZ-H Ringed Heli Engine
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.
- For easier access when making adjustments, the idle needle is positioned on the same side as the main needle.
Displacement: 0.37 cu in (6.07 cc) Bore: 0.806 in (20.5 mm) Stroke: 0.725 in (18.4 mm) Practical rpm: 2,000-21,000 Output: 1.38 hp @ 18,000 rpm Weight: 10.3 oz (293 g) Includes: 20M carburetor, #8 glow plug Requires: muffler, drive hub