OSMG1960 O.S. 105HZ Heli Engine

Detailed Description

Enjoy huge power and performance with the compact 105HZ and 105HZ-R!

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, smackdown-style 3D it's all about power, and both the 105HZ and 105HZ-R have it in abundance. Displacement has been increased by 15%, while a huge venturi rams air into the carburetor, producing massive power. Plus, they fit in a .90-sized mounting pattern.

Features:
• Same mounting dimensions as a .90 cu in engine
• More displacement means more power, and these engines boost displacement by 15%!
• The machined, blue anodized heatsink head is light in weight, and cools the engine efficiently
• Velocity stack increases airflow and enhances engine performance
• Backplate accepts the Futaba BPS-1 RPM sensor for the GY701 and CGY750 gyros
• Ideal bore and stroke ratio for lowest vibration

Specs:
• Stock Numbers: OSMG1960 105HZ
• 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
• 105HZ Weight: 21.03 oz (596 g)
• Carburetor Settings: High Speed Needle Valve: Approx. 2 turns open from fully closed, Medium Speed Needle valve: 1 turn open from fully closed, Idle Mixture Control Screw: At basic position when engine left factory
• Distance/Center of Mounting Holes Same Side: 0.98" (25mm)
• Distance/Center of Mounting Holes Opposite Side: 2.04" (52mm)
• Crankcase Width Below Mounting Tabs: 1.7" (43mm)
• Crankcase Width at Mounting Tabs: 2.4" (61mm)
• Width from Throttle Arm to Center: 1.6" (42mm)
• Height from Bottom of Mounting Tabs to Cylinder Head: 3.1" (79mm)
• Height/Bottom Mounting Tabs to Muffler Mounting Holes: 1.7" (42.8mm)
• Height/Bottom of Crankcase to top of Cylinder Head: 3.9" (99mm)
• Length from Backplate to Front Bearing: 3.2" (82.6mm)
• Length from End of Crankshaft to Center of Engine: 3.5" (88.7mm)

Includes:
• 105HZ 1.05 cu in Helicopter Engine with 61E Carburetor
• #8 Glow Plug
• Air Funnel
• 0.1mm Head Gasket
• 0.2mm Head Gasket (installed)
• Instruction Manual

Requires:
• Fuel: Heli blend with 15% nitro content
• Glow starter and field equipment

Fly Hard! HeliProz has the Parts!

Call Toll Free: 1.877.435.4776

OSMG1960 O.S. 105HZ Heli Engine

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