105HZ-R DRS 1.05 Helicopter Engine
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105HZ-R DRS 1.05 Helicopter Engine

Item No.
OS Engines - OSMG1961
5
$722.99
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Product $722.99
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Estimated Total: $722.99
Estimated Total: $722.99
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Huge power and performance!

In order for 90-sized machines to nail huge maneuvers and hardcore, smackdown-style 3D it's all about power, and the 105HZ-R has it in abundance. Displacement has been increased by 15%, while a huge venturi rams air into the carburetor, producing massive power. Plus, it fits in a .90-sized mounting pattern!
O.S. Two Year Limited Warranty
  • 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, blue anodized heatsink head is light in weight, and cools the engine efficiently.
  • An extra feature on the 105HZ-R is the pressurized DRS (Demand Regulator System), which ensures consistent fuel flow regardless of the heli's attitude.
  • Same mounting dimensions as a .90 cu in engine
  • Machined blue anodized aluminum heatsink cylinder head
  • Velocity stack increases airflow and enhances engine performance
  • Pressurized DRS (Demand Regulator System) ensures consistent fuel flow regardless of the helicopter attitude
  • Backplate accepts the Futaba BPS-1 RPM sensor for the GY701 and CGY750 gyros
  • Ideal bore and stroke ratio for lowest vibration

Product Specs

Crankshaft Threads
UNF5/16-24
Cylinders
Single
Product Width
2.4 in (61 mm)
Total Weight
21.5 oz (608 g)
Product Height
3.1 in (79 mm)
RPM Range
2,000 - 16,500 rpm
Bore
1.14 in (29 mm)
Power Type
Glow
Plug Type
#8 glow plug
Stroke
1.02 in (26 mm)
Displacement
1.048 cu in (17.17 cc)
Product Length
3.2in (82.6 mm)

Product Details

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In The Box
  • (1) 105HZ-R DRS 1.05 cu in Helicopter Engine with 61G Carburetor
  • (1) #8 Glow Plug
  • (1) Air Funnel
  • (1) Check Valve
  • (1) 0.1mm Head Gasket
  • (1) 0.2mm Head Gasket (installed)
  • (1) Product manual
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Needed to Complete
  • Fuel: Heli blend with 15% nitro content
  • Glow starter and field equipment