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DRAKE POWER

DRAKE POWER

O.S. Engines Speed B21 Adam Drake Edition

  Manufacturer Stock# OSMG2066 

$529.99

 

FEATURES:

  • Designed and tested to Adam Drake’s race-winning specifications.
  • Great for buggies and trucks.
  • Redesigned cylinder liner with Drake-specified porting.
  • Newly designed DLC crankshaft with double tungsten counterweight.
  • New semi-long stroke design offers the perfect blend of torque and high-end performance.
  • 6.5 and 8.0 mm carburetor reducers.
  • Ceramic rear bearing.
  • Easy-to-tune 21J carburetor.
  • Speed Gold P3 Turbo glow plug.
  • Exhaust timing is 2 degrees higher than previous B2101 for greater top speed
  • 21J3(B) slide valve carburetor with 6.5 and 8mm Carb Reducers suitable for buggy and truggy use
  • Silicone filled crankshaft with DLC (diamond like coating) with two balanced tungsten weights and optimal intake timing for a smoother power transition from low-mid-high speeds
  • Special cylinder head in black with Adam Drake graphics in white
  • Newly designed three-port cylinder liner

SPECS:

  • Displacement: 0.213 cu in (3.49cc)
  • Bore: 0.646″ (16.4mm)
  • Stroke: 0.652″ (16.55mm)
  • Practical RPM: 4,000-42,000 RPM
  • Output: 2.65PS 34,000 RPM, 2.61HP @ 34,000RPM
  • Weight: 12.45oz (353g)
  • Distance Between Mounting Hole Centers Same Side: 0.83″ (21mm)
  • Distance Between Mounting Holes Opposite Side: 1.4″ (37mm)
  • Mounting Hole Diameter: 0.12″ (3mm)
  • Height Bottom of Mounting Tabs/Top of Cylinder Head: 3.2″ (81.5mm)
  • Height Bottom of Crankcase/Top of Cylinder Head: 3.8″ (97.1mm)
  • Width at Mounting Tabs: 1.8″ (45mm)
  • Width of Crankcase Below Mounting Tabs: 1.2″ (31.6mm)
  • Distance from Backplate to Front Bearing: 2.5″ (64.5mm)
  • Distance from Center of Crankcase to Front Bearing: 1.7″ (44mm)
  • Distance from Center of Crankcase to Backplate: 0.81″ (20.5mm)
  • Crankshaft Size: UNF1/4-28
  • Crankshaft Length: 1.2″ (29.5mm) from front bearing
  • Carburetor Settings: NOTE carburetor is preset at factory and requires only very small adjustments
    Needle Valve, 3-1/4 open from fully closed
    Mixture Control Valve, Flush with carburetor body
    Metering Needle, Flush with ball link body
    Throttle Stop Screw, Approximately 0.5mm

WHAT’S INCLUDED:

  • Speed Tuned B21 Adam Drake Limited Edition Buggy and Truggy Engine
  • 21J3(B) Carburetor with 6.5 and 8mm Carb Reducers
  • O.S. Speed P3 Gold Glow Plug
  • 3mm, 16mm and 18mm Dust Caps
  • Exhaust Seal Ring
  • Instruction manual

STILL NEEDED:

Requires: Glow fuel 10-30% nitro content, 20% recommended for break-in), glow igniter, fuel filter, fuel bottle, starter
Exhaust System such as the O.S. T-2090SC Tuned Pipe System (OSMG2953)

 
 

FOR MORE O.S. Engines ON RC HUB CLICK HERE

 

FOR MORE ADAM DRAKE ON RC HUB CLICK HERE

 

 

 

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