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Out of production
Standed engines
S0851CC01
Radio heat engine O.S.SPEED R21GT Combo (with T2060SC + Manifold)
€559.00
VAT included
Radio heat engine O.S.SPEED R21GT Combo (with T2060SC + Manifold)
€559.00
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329676 products in stock 
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O.S.SPEED R21GT COMBO (with T2060SC + 70MM manifold)
We are proudly announcing O.S. SPEED R21GT for a relatively new category 1/8 GT class. The new engine aims at IFMAR world championship to be held in the United States in January, 2020. So the design of the engine is fully conformed to IFMAR regulation.
The crankcase is modified version of R2101, cylinder/piston is new design: 5 scavenging ports + 3 exhaust port, the crankshaft is also newly designed: double counter weight made of Phosphor bronze for better torque, of course the crankshaft is DLC coated to minimize mechanical friction and with silicon filler for light weight. The carburetor is also new design, 22E(B)GT double adjustment type carburetor for smooth and better response from cornering with a 7.0mm restrictor, which conform to IFMAR regulation. The cooling head is designed to optimize heat dissipation and light weight.
We are proudly announcing O.S. SPEED R21GT for a relatively new category 1/8 GT class. The new engine aims at IFMAR world championship to be held in the United States in January, 2020. So the design of the engine is fully conformed to IFMAR regulation.
The crankcase is modified version of R2101, cylinder/piston is new design: 5 scavenging ports + 3 exhaust port, the crankshaft is also newly designed: double counter weight made of Phosphor bronze for better torque, of course the crankshaft is DLC coated to minimize mechanical friction and with silicon filler for light weight. The carburetor is also new design, 22E(B)GT double adjustment type carburetor for smooth and better response from cornering with a 7.0mm restrictor, which conform to IFMAR regulation. The cooling head is designed to optimize heat dissipation and light weight.
- Displacement 3.49cc / 0.213 cu.in.
- Bore: 16.08mm/0.633in.
- Stroke: 17.20mm/0.677in.
- Output: 2.65ps/2.61hp/34,000r.p.m
- Practical RPM range: 4,000-42,000 r.p.m.
- Engine weight: 369g / 13.02oz
- Motor use
- Cars
- Engine displacement
- 2 stages 3.5cc & +
- Engines
- Thermal
- Level of use/difficulty
- Thermal
- Product types
- Motors and variators for radio -controlled models
- States
- Out of production
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