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O.S. .91 HZ-R 3D Speed Competition 3D Helicopter Engine w/61G Carburetor
$214.36
This is the O.S. .91 HZ-R 3D Speed Competition 3D Helicopter Engine, with 61G carburetor. O.S. has taken high-performance, high-speed helicopter engines to the next stage of evolution with the introduction of the 91HZ-R 3D ..
O.S. Engines 18750 105HZ-R DRS 1.05 Helicopter Engine OSMG1961
$310.04
This is an O.S. Engines 105HZ-R DRS 1.05 Helicopter Engine. Specs: Bore: 1.14 in (29 mm) Crankshaft Threads: UNF 5/16-24 Cylinders: Single Displacement: 1.048 cu in (17.17 cc) HP: 3.65 hp @ 15,000 rpm Height: 3.9 in (..
O.S. Engines Heli Engine OSM18700
$278.76
This is the 105HZ 1.05 cu in helicopter engine from O.S. Engines. These are the engines that precision aerobatic and 3D heli pilots have been waiting for! In order for 90-sized machines to nail huge maneuvers and hardcore, ..
