2
Plastic fuel tank
RC receiver and
batteries
Rear wing
GX21 motor
Carburettor
Transmission
Pushrod-operated
damper
Multi-element front
wing
Recoil starter
Accurately modelled
wheels and tyres
well as at higher speeds – enough to see o the stiest
competition. The car’s simple single-speed transmission
saves having to make complex adjustments to ensure
that the GX21 achieves its optimum performance on the
track, and is driven by the engine through an automatic,
centrifugal clutch.
To ensure a long, trouble-free life, the transmission
is made of tough high-performance plastic, while
the engine’s twin ball bearings reduce wear, and its
technically sophisticated, aerodynamic aluminium
cylinder head provides excellent cooling. (The GX21
engine is designed to operate only with model fuels with
a nitro content of 15-25%, and is not suitable for use with
other fuels).
THE CHASSIS
The centrepiece of the Red Bull Racing RB7 model – its
race-proven chassis – provides numerous adjustments
so that the performance of the car can be precisely
matched to a specic track or the personal preferences of
the driver. For example, the ride height can be adapted
to suit the individual characteristics of dierent race
circuits.
The car has four hydraulic dampers – and, in a similar
way to a full-size Formula 1 car, the front ones are
installed horizontally, operating via pushrods that link
them to the suspension wishbones. Together with the
sti, well-balanced chassis and the grippy tyres, this
gives your Red Bull Racing RB7 optimum stability when
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