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Aviation History
1932
1932 - 1201.PDF
FLIGHT, NOVEMBER 24, 1932 The " Solon electric soldering iron, supplied by Brown Bros. A Section of the Vickers' Oleo-Pneumatic Shock Absorbing Undercarriage Leg. travel. This is a good feature for air craft, as it provides good taxying characteristics, there being only a small increase of load for a good piston displacement, and the rapid increase of load which takes place to wards the end of the compression provides a great measure of lateral stability. This design of shock absorb ing strut provides an extremely light and efficient method of absorption of a good amount of energy. Exhaustive reduction of air pressure may give rise to lateral unstability, but even with the piston standing at half-travel when the machine is stationary, the units will give satis factory service and the full hydraulic damping effect will be available on landing. CLOTHING AND PARACHUTES Burch's 33, Bedford St., London, W.C.2 BURCH'S are R.A.F. tailors who specialise in uniform outfits for both the Regular, Reserve, and Auxi liary Units of the R.A.F. Their prices are very low and officers who require kits are well advised to investigate their stock. Pilots who do a lot of flying in open aircraft should un doubtedly see their new helmet, which is sold under the name of the " Bin- ley Speed Helmet." This is of chrome leather and its special design makes it peculiarly suitable for use during prolonged flights. Its design allows of an exceptionally close fit, and is therefore to be advocated when weather conditions are bad. Gieves, Ltd. 21, Old Bond St., London, W.i f IEVES are, of course, very well *-* known indeed as naval and mili tary tailors. It may, perhaps, not be appreciated that they supply in addi tion, every form of flying clothing and such things as jewellery, like brooches and links, either engraved or having a raised R.A.F. badge, which may be desired finished in enamel of appro priate colours. Squadron brooches, cigarette cases with crests on, and, in fact, every form of similar article. Their new flying helmet is advertised as the " perfect fitting helmet," and one of its chief points is that it is fitted with the Mallock-Armstrong ventilated protector. This gives full ventilation to the ear drum, thus preventing over heating, and, while giving entire relief from excessive external noises, still enables the pilot to hear perfectly through the ear-phones. A really comfortable helmet from Burch's. ngggr A Cigarette Case by Gieves, Ltd. Irving Air Chute of Great Britain, Ltd. Letchworth, Herts COME types of Irvin parachute pro- *-' duced are the Quick Connector, Seat and Back Packs, Training Outfit, and the Caterpillar Chute, the latter being specially designed for use in light aeroplanes. The Seat Pack is commonly used by pilots, for in its position it is not an encumbrance and it also serves as a cushion. The Back Pack is convenient for observers and passengers generally. If they have to move about the air craft in flight it does not impede them. In cabin aircraft the Back Pack, with a soft pad attached, has been specially adapted for both pilot and passengers. The pack remains permanently in the seat, the harness being simply adjusted when the crew enter the cabin. The" Quick-Release " Harness for the Irvln Airchute. For observers and other members of a military crew, whose duties prevent a pack being worn conveniently, the Quick Connector is suitable. This type can be detached from the harness in a second, and re-attached just as quickly when required. The Training Outfit conveys its par ticular purpose, and consists of a Back Pack and Quick Connector. The standard harness with Irvin types is now the Quick Release type. This embodies an ingenious box fitting, which locks all the ends of the harness centrally and releases them instan taneously when the face of the fitting is turned and pressed or punched by hand. By the development of the Quick Release, naval airmen have been able to equip themselves with a parachute with confidence for the first time, for it means that when forced to descend in the sea they can cast off the whole parachute equipment just before being submerged. The Fleet Air Arm is now supplied with Irvin parachutes, em bodying the Quick Release Harness. Some of the countries using Irvin Airchutes include, besides Great Britain:—Turkey, Belgium, Germany, Poland, Russia, Yugoslavia, Denmark, Rumania, Japan, Siam, Sweden and Greece. 1 1 on 1 -O
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