OS SPEED 21 XZ-GT Graupner 2812
Ready to race across the track. The O.S. Speed 21XZ-GT
The 1: 8 scale GT Touring racing series enjoys an increasing popularity and O.S. has developed the perfect power package to dominate the competition.
The O.S. 21XZ-GT engine has many of the characteristics which make the speed engines from O.S. so famous. This makes this racing engine ideal foron-road tracks.
For maximum performance, GT Touring drivers swear by the competition motor O.S. Speed 21XZ-GT.
The crankshaft was designed for the GT Touring and is silicone coated and tungsten weights are pressed into the DLC coating. The 5 overflow ducts and 3 exhaust ducts improve the performance in the medium to high RPM range.
The double-adjustable carburetor is ROAR-compliant and has a 7 mm ballast.
Features:- Long stroke motor provides more torque
- Low center of gravity
- Silicone coated crankshaft
- Optimized intake openings and exhaust gas routing
- Tungsten balanced crankshaft
- Double adjustable carburetor
Specification Cooling system: Air
All-up weight [g]: 353 g
Recommended for : Onroad Modelle M 1:8
rpm range, approx.: 4.000 - 42.000 U/min
Bore [mm]: 16,27 mm
Cylinder capacity [ccm]: 3,49 cm³
Output [kW / PS] at [rpm]: 2,65 (PS) / 34.000 U/min
Stroke [mm]: 16,80 mm
Brand: O.S.
Field of application: Car
incl. silencer: No
Fuel: Nitro
Model: 2-Stroke Nitro
Item Number Manufacturer: 1AS00