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DRAKE POWER

DRAKE POWER

O.S. Engines Speed B21 Adam Drake Edition

Tower Stock# OSMG2066  •  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 TOWER HOBBIES ON RC HUB CLICK HERE

 

FOR MORE ADAM DRAKE ON RC HUB CLICK HERE

 

 

 

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