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156 
B.P. Take Delivery of 10,000-gal. Aircraft Refueller
Page 87
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T week the first of two 10,000-gal. rcraft refuellers was handed over to
■ ritish Petroleum Co., Ltd., by Sir im Black, chairman of A.E.C., Ltd.. ; Southall works. This articulated the largest in service with has an A.E.C. Mammoth Major ieeled tractive unit, and the allnium tank semi-trailer was manu, ed by Saunders-Roe (Anglesey), A second is being built by Thomptros. (Bilston), Ltd,
: new vehicle is known as the ;hire fueller and is to be operated le the British Isles by Air-B.P. The .e is smartly finished in the Air-B.P. rs, which are predominantly white touches of green, and the shape of Lnk and the cab and body panelling tractor. which were carried out by ilack and Sons, Ltd., blend to give a ularly smart overall effect.
with the tanker described in The nercial Motor dated August 14. all ■ umping gear of kir-B.P. unit is Med on the tracwhich helps to ify the construed the three-cornlent semi-trailer .dds to the oversefulness of the bre unit as a
e boosting staFor hydrant-type tg installations.
tractor has an 11.3-litre 165
b.h.p. oil engine, governed to 2,000 r.p.m., and there is a full-torque power take-off on top of the gearbox to drive the pumping and hose-reeling equipment. The chassis has a fully articulated rear bogie and power-assisted steering, and its wheelbase is 18 ft. 9+ in. The exhaust system incorporates a spark arrester, and Michelin Metallic D.20 tyre equipment is used all round.
Special equipment carried on the tractor includes a newly developed selfpriming centrifugal pump made by Pegsons, Ltd., Coalville, and AveryHardoll metering equipment. All the controls for this apparatus are situated on the right-hand side of the vehicle, immediately behind the ..cab, access being given by a top-hinged door. Pressurecontrolled equipment was supplied by Zwicky, Ltd., Slough, and a high standard of filtration is given by the use of Rellumit fine-particled filters.
The complete vehicle was designed to a
comprehensive B.P. specification calling for a usable capacity of 10,000 Imperial gal. of aviation turbine fuel, with a delivery rate of 750 g.p.m. at an aircraftcoupling pressure of 50 p.s.i. The use of aluminium for the tank and the tank's clean external form is claimed to have eliminated the need for costly and bulky external framework and panelling, and appreciably increases the payload possible within the chassis limitations. A gross operating weight of some 60 tons is anticipated and the vehicle is 51 ft. long. 7 ft. 10+ in. wide and 10 ft. 6 in. high. so can be used on normal roads.
In keeping with current B.P. practice. the tank has sealed-circuit bottom-loading equipment, complete with automatic highlevel shut off. Valves at the bottom of the tank enable it to be used as a singlecompartment unit if necessary, and the shape of the bottom of the tank has been specially designed to ensure maximum drainage at test-sample draw-off points.