The diagram shows
better than any description this rigging system.
Ten main suspensions are incorporated in the Coastal envelope, of
which three take the handling guys, the remaining seven support
the weight of the car.
The horizontal fins with the elevator flaps, and the vertical fin
with the rudder flap, are fixed to the ridges of the envelope.
The car was evolved in the first instance by cutting away the
tail portion of two Avro seaplane fuselages and joining the
forward portions end on, the resulting car, therefore, had
engines at either end with seating accommodation for four. The
landing chassis were altered, single skids being substituted for
the wider landing chassis employed in the seaplane. The car
consists of four longerons with struts vertical and cross, and
stiffened with vertical and cross bracing wires. The sides are
covered with fabric and the flooring and fairing on the top of
the car are composed of three-ply wood. In the later cars five
seats were provided to enable a second officer to be carried.
The engines are mounted on bearers at each end of the car, and
the petrol and oil tanks were originally placed adjoining the
engines in the car. At a later date various methods of carrying
the petrol tanks were adopted, in some cases they were slung from
the envelope and in others mounted on bearers above the engines.
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