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Aviation History
1955
1955 - 1329.PDF
wasQuietest machine at the show, in spite of its 15,120 horse-power,Bristol's Britannia, flown beautifully on Monday by Bill Pegg. ' This first Britannia, " ALBO," now has over 1,000 hr of flight time. expose no fewer than six cameras, two looking sideways, twodownward oblique, one forward oblique and one straight for- ward. It carries the standard gun-pack and gun camera, butno radar-ranging sight. Hunting Percival Provost and Jet Provost. Now well estab-lished in service with the R.A.F. and foreign air forces, the piston-engined version is represented by a T.53 Armed Provostdestined for the Iraqi Air Force. It carries eight 20 lb practice bombs under the wings. Quite new, however, is the tenth Jet Provost which hasbeen redesigned to incorporate a more powerful Viper, a larger tail-pipe and a completely revised and much shortened under-carriage. Performance has been improved by these modifica- tions, take-off and landing runs being considerably shortened,rate of climb increased by 350 ft/min at sea level and stalling speed reduced by 3 kt. Thrust is increased by 110 lb and all-upweight reduced by 100 lb. Fuel capacity, range and endurance are unaltered. Pneumatics have largely given way to hydraulics. Hunting Percival Pembroke, Pembrokes appear in the coloursof two of the four air forces using this versatile transport. A standard Pembroke C.I of the R.A.F. takes part in the flyingdisplay; designated C.52, the Pembroke in the static display is intended for the Royal Swedish Air Force. Its cabin hasaccommodation for 10 aft-facing passengers, proves that this air force at least has little to learn from airlines in the matterof interior design. Saunders-Roe Skeeter 6. The Skeeter 6 at Farnborough isvery nearly a production version and bears the serial XK 773 and Training Command yellow stripes. Its Gipsy Major 200is now giving its full 200 h.p. and the all-up weight can be increased to 2,200 lb by increasing the payload or by carryingan additional 16 gal of fuel in a tank in the port seat. Standard fuel capacity is 23 gal. Cruising at 85 kt the consumption is Jock Elliot put up a fine show in XF 828, the first D.H. 110 to come from Christchurch. Here, he is killing excess speed with the "barn-door " and the smaller brakes at the rear end. Displayed in model form is Hunting Percival's projected flying-crane variant of the Oryx-powered P. 105. -A. Geoff Worrall brings XA563, G/oster Javelin F.A.VV./, past the crowd at 140 knots. If Britain can really make dielectric noses as sharp as this we are one up on the rest of the world. 11.5 gal/hr. What the Skeeter 6 loses in load, compared withthe small jet-driven helicopters, it regains in speed and range. XK 773 carries a Sperry H.L.4 helicopter artificial horizon.The collective-pitch lever can be disconnected from the throttle to allow autorotative landings and flare-out with the engineidling. The first pilot's collective-pitch lever, now in the centre, is to be moved over to port. Scottish Aviation Prestwick Pioneer. Some three months agothe Pioneer was awarded a British C. of A., and civil sales are likely to result from the forthcoming Far East tour. The air-craft flown in the display, G-AODZ, is a brand new Pioneer which completed C. of A. tests only last week; it has seats forfive, including the pilot, and is in most respects similar to the Pioneers used by the R.A.F. in Malaya. Scottish Aviation Twin Pioneer. When the display openedthe " Double Scotch" had completed some 36 hours' flying. These initial trials have shown that the tractability and viceless-ness of its single-engined predecessor are faithfully reproduced in the Twin Pioneer. More detailed performance measurementswill follow, as part of the C. of A. programme. Meanwhile, it can be said that the aircraft meets or exceeds all expectations.Take-offs have averaged 85-90 yd and landing runs have not exceeded 100 yd. The generous high wing of the Twin Pioneer,lavishly slotted and flapped, provides a refreshing sight to those who view with alarm the tendency towards " hotter" approachcharacteristics in transport aircraft. No less encouraging is the high standard ot workmanship displayed by the Twin Pioneer'sbrightly polished airframe. An exceptionally large cabin door gives access to the 16-seat cabin, which is fully furnished andfitted with three-abreast Rumbold seats of a new lightweight pattern; the single chairs weigh only 111b each, and doublechairs go one better at 21 lb. Short Gyron-Sperrin. As is now well known, VX 158, thefirst Short S.A.4 Sperrin, is being used to take the de Havilland Gyron turbojet into the air. One Gyron is used, mounted inthe port lower position; another will later be mounted to star- board. The full flight-approved Gyron thrust was obtained onthe first flight, and trials from Hatfield are well advanced. Short Seamew. Four Seamews are at Farnborough, XA 209,the first prototype in Coastal Command colours, XA 213, the second prototype in Naval colours, XE 171 the third productionaircraft also in Naval colours, and XE 172, the fourth produc- tion machine, in Coastal Command colours. There are detail differences in all of them, with a variety ofaileron hinges and wheel and brake layouts, although the last named are all fitted to starboard of the wheel. All have wingfolding, but XA 209 has no arrester hook. All, too, carry radomes. Only XA 213 has catapulting hooks at the under-carriage leg roots. , . Scottish Aviation's Capper brought out all the many remarkable qualities of the Twin Pioneer. It is seen some 80 yd from "brakes off."
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