Losi Nitrotech R21 .21 Race Engine
The Nitrotec R21 is the perfect solution for any racer who is looking for an economically priced engine that offers great power response, similar quality, construction, features and performance of higher priced nitro engines. With the racer in mind, the Italian-made Nitrotec R21 was developed to produce a race winning power band and throttle response while delivering exceptional run time. The Nitrotec R21 is recommended as the perfect completion engine for any of the 8IGHT family of vehicles as well as any nitro vehicle that requires a .21 engine to complete.
Features
- State of the art ABC (Aluminium piston-Brass sleeve-with Chrome plating) construction
- Optimised hi-velocity extra efficient 4 port sleeve design
- Aluminium/Silicone domed piston with machined lightening and sub-porting
- Knife edged hi-tinsel aluminium connecting rod with oiling feature
- Vacuum cast aluminium alloy case with large cooling/reinforcement fins
- Stuffer type backplate with o-ring seal and machined piston relief
- Oversized cooling heatsink head
- Turbo head insert/combustion chamber
- Hardened steel turbo ported crankshaft with machined reliefs to prevent windage
- Specially constructed precision ball bearings supporting the crankshaft
- Composite double 0-ringed slide type 9mm carburettor
- Easy tune high and low speed needle valves
- Includes 7, 6.5, & 6mm o-ringed carburettor restrictors
- Carburettor materials optimised to prevent thermal conduction
Specifications
- Displacement: 3.5 cc
- Bore: 16.26mm
- Stroke: 16.8mm
- Practical rpm: 5,000-35,000
- Weight (without muffler): 383 g
- Includes: Glow Plug, 7, 6.5, & 6mm carburettor restrictors
- Requires: Glow fuel, tuned pipe and manifold (Nitrotane 30% race fuel and LOSR8001 Exhaust system suggested)
CLICK HERE to be taken to Horizon Hobby UK’s webpage on the engine
LOSR2800 Losi Nitrotech R21 .21 Race Engine RRP £230.49
Source: Horizon Hobby UK