Nitro Engine VS Racing VS-B03 by Rody Roem
The new and exclusive VS Racing VSB03 long stroke .21 off-road engine is based on the very powerful O.S. Speed 21XZ-B specII and is an extraction of the world famous OS Max precision and technology together with some additional 'Rody' touch and development, equipped with a VS Spec combustion chamber with o-ring to protect this area from dirt, a 5-port sleeve and additional DLC coating on the whole crankshaft.
The VS Racing VSB03 is suited for high competition 1/8scale off-road racing.
This engine is intended for "EXPIERIENCED" users.
Features:
- Long Stroke.
- Unique and Specific 5-Ports design.
- CNC machined flat piston.
- 14mm turbo crankshaft, balanced, lightened and silicone paste,DLC,'Rody'.
- Competition Conrod.
- Turbo combustion chamber VS Spec.
- 14mm high-speed main bearing.
- 7mm high-speed front bearing with rubber protection.
- VS Spec. lightweight cooling head.
- VS Spec. Underhead and additional o-ring.
- VS Spec. Crankcase.
- VS spec. aluminum lightweight slide carburettor with double adjustment.
- 6.5mm aluminum restrictor.
- This engine is developed to find the best balance between performances/relaiability and costs.
Technical specs:
- Type: Off-Road
- Contents: .21(3.49cc)
- Bore: 16.27mm
- Stroke: 16.80mm
- Crankshaft: 14mm SG/SPT (buggy) DLC
- Main-Bearing: 14mm HighSpeed.
- Front-Bearing: 7mm HighSpeed.
- Cylinder: ABC
- Ports Intake: 5
- Exhaust Port: 1
- Carburator: Neck 15mm VS Spec.
- Cooling-Head: Light Off-Road
- Underhead: VS Spec for conical(Turbo) glowplug.
- RMP: Max Power @ 30K RPM (4-40K RPM range).
- Weight: 355gr.
