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  • MOTOR TT .28 PRO28BD-R 9473

MOTOR TT .28 PRO28BD-R 9473

  • $99,99

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Preços informados são em Dólares americanos, não incluem IVA e podem variar sem prévio aviso.


This is the Thunder Tiger Pro .28BD-R 2-Stroke Model Car Engine with Pull Starter.


FEATURES:

  • Rear exhaust
  • D-type recoil starter with built-in 6mm hexagonal coupler for use with electric starters
  • CNC machined components
  • ABC piston and sleeve "A"luminum piston, "B"rass cylinder liner that is "C"hrome plated
  • Schnuerle porting
  • Hyperutectic machined Al-Si ringed piston
  • Dual ball bearing-supported SG crankshaft
  • Three needle slide valve carburetor
  • Three year limited warranty through Hobby Services beginning at date of purchase



INCLUDES:

  • Thunder Tiger Pro .28BD-R Model Car Engine with Pull Starter carburetor
  • exhaust gasket
  • decals
  • instruction manual



REQUIRES:

  • Fuel: 20% lubricant and 10-30% nitro content, synthetic/castor blend lubricant recommended (do not use more than 10% nitro content for break in)
  • Glow Plug: Long type recommended such as the OS #8
  • Glow starter, plug wrench and field equipment



SPECS:

  • Displacement: 0.282 cu in (4.63cc)
  • Bore: 0.720" (18.3mm)
  • Stroke: 0.693" (17.6mm)
  • Practical RPM: 3,000 - 35,000
  • Output: 2.40 HP @ 30,000 rpm
  • Carburetor Settings-NOTE carburetor is preset from the factory and requires only small adjustments
  • Needle Valve: 3 - 3-1/2 turns counterclockwise from closed
  • Mixture Metering Screw: After setting needle valve, 1/8 turn clockwise if mixture is too rich or 1/8 turn counter-clockwise if mixture is too lean

 

  • Height from Mounting Tab Bottom/Top of Cylinder Head: 3.7" (94.5mm)
  • Height from Crankcase Bottom to Top of Cylinder Head: 4.2" (108mm)
  • Width at Mounting Tabs: 1.8" (45.4mm)
  • Width of Crankcase below Mounting Tabs: 1.2" (31mm)
  • Center of Mounting Holes Same Side: 0.83" (21mm)
  • Center of Mounting Holes Opposite Side: 1.4" (36.9mm)
  • Center of Crankcase to Front Bearing: 1.8" (45.9mm)
  • Distance from Backplate to Front Bearing: 3.4" (86mm)
  • Distance from end of Coupler to Front Bearing: 5.3" (135mm)



COMMENTS:

  • Some notes on rotary and slide valve carburetors;
  • Rotary carbs offer a larger response in the middle of the power band.
  • This works well for off-road applications when throttle response must be varied.
  • Slide Valve carbs provide greater response at the beginning and end of the power band. This works well for on-road and racing applications for fast take-offs and high speed.

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