O.S.Speed Tuned B21 Adam Drake II
Verbrenner Offroad Motor +Resorohr SET T-2100SC EFRA2155
Hubraum: 3.49cc / 0.213 cu.in.
Bohrung: 16.4mm / 0.646 in.
Hub: 16.55mm / 0.652 in.
Leistung: 2.65 ps / 2.61 hp / 34,000 r.p.m.
Drehzahl: 4,000-42,000 r.p.m.
Gewicht: 353g / 12.45oz
This is the combo of the competition nitro engine OS Speed B21 ADAM DRAKE EDITION II with T-21000SC pipe realized with the collaboration of Adam Drake.
This new edition comes with a new design cylinder liner with new porting and a new design crankshaft with double tungsten counterweight. The new bore x stroke is designed with Adam Drakes's requirements in mind. This OS engine includes some carburetor reducers (6.5mm and 8.0mm) to suit both powerful drive and fuel economy drive OS SPEED 5. P3 GOLD plug is used for more consistent idling.
Features:
Designed according to Adam Drake's advice and taste.
New design cylinder liner with new porting
New design crankshaft with double tungsten counterweight
New bore x stroke (see the attached specifications)
Carburetor reducers are 6.5mm and 8.0mm to suit both powerful drive and fuel economy drive OS SPEED 5. P3 GOLD plug is used for more consistent idling.
Specs:
Weight: 353g
Displacement: 3.49cc
Bore: 16.40mm
Stroke: 16.55mm
Power Output: 2.65PS/2.61HP @ 34000RPM
Practical RPM Range: 4000-42000
Includes: T-P3 gold glowplug, 6.5mm & 8mm Venturi's, Exhaust Gasket, Dust Cap Set (3mm/16mm/18mm),
exhaust ring and tuned pipe set T-21000SC
