High-speed Refuelling with New Tanker
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ANEW type of aircraft-refuelling tanker, based on a Leyland Steer 155/1 chassis with twin steering axles and 125 b.h.p. oil engine, has made its appearance at London Airport. Delivery equipment, controls and cab were designed by the motor department of Shell Mex and B.P Thompson Bros. (Bilston), Ltd., built the twincompartment 2,200-gallon tank body.
Constructed as a prototype to meet the higher rates of pumping now in demand for trans-Atlantic and transContinental aircraft, the machine has an initial nozzle delivery rate of 120 g.p.m. De-fuelling can be carried out at 35-40 g.p.m. Wh en fuelling directly under the wing of an aircraft, without delivery nozzles, higher rates of pumping
are possible. Delivery equipment is installed in a rear compartment formed by continuations of the side panelling and incorporating a roller shutter. Pumping gear is operated from a top-drive power take-off on the five-speed gearbox of the chassis. A line shaft carries the drive beneath the tank to the rear compartment, where two Varley pumps are operated by chain.
Reeve and Kenning, Ltd., built the cab with sliding doors. Perspex curved front corner windows and roof lights.