From O.S. Engine:
Limited Edition – Only 200 in the world!
O.S. Engines truly are the gold-standard for RC models and we’re proving it with this special, 80th anniversary, gold edition engine! This special, super-limited edition 105HZ-R brings you the same 3D power as the original but with a super-sleek gold-anodized carb stack and cylinder head and a lethal-look black anodized crankcase. Plus, you get the efficiency and awesome throaty roar of an included pipe exhaust.
Gold anodized carburetor stack and cylinder head
Black anodized crankcase
Featuring the displacement of a 1.05 in the mounting space of a .90.
More displacement means more power, and these engines boost displacement by 15%!
A huge venturi boosts output even further.
The machined, gold-plated heatsink head is light in weight, and cools the engine efficiently.
An extra feature on the 105HZ-R is the DRS (Demand Regulator System), which ensures consistent fuel flow regardless of the heli’s attitude.
Displacement: 1.048 cu in (17.17 cc)
Bore: 1.442 in (29 mm)
Stroke: 1.024 in (26 mm)
Practical rpm: 2,000-16,500
Output: 3.75 hp @ 15,000 rpm
Weight: 21.46 oz (608.4 g)
Includes: Power Boost 105 pipe
OSMG1965 – $649.99