O.S. Engines: Speed B21 Adam Drake EDITION II

Xtreme Racer

5 years ago

OS Engines has presented the new competition nitro engine OS Speed B21 ADAM DRAKE EDITION II realized with the collaboration of Adam Drake.

The engine has been updated with a new 16.4mm x 16.55mm crankshaft which improves the driving feeling making it more linear and powerful and a new carburetor compatible with 6.5mm and 7.0mm Venturi. Below the promotional video and the engine specifications.

Spec OS Speed B21 ADAM DRAKE EDITION II

Type: Nitro 3.49cc
Bore: 16.4mm
Stroke: 16.55mm
Output 2.65 ps / 2.61 hp / 34,000 R.P.M
Practical rotation speed: 4,000-42,000 R.P.M
Weight: 353 grams.