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Aviation History
1936
1936 - 1011.PDF
4*4 FLIGHTY APRIL 23, 10,36. SHORT SCION PRIMARILY designed and in use as a feeder-line and charter machine, the Short Scion is possessed of a number of features which should make it an admirable luxury private-owner type. With the safety of two engines and with adequate space for two-way radio equipment, the Scion might be considered as an ideal for this type of owner who, nevertheless, wants to fly himself on occasion. It is easy to handle and has been described more than once as an excellent machine for graduation to the twin-engined type The forward view is nothing less than magnificent, and the pilot is near enough to the ground to make a landing easy to anyone who is accustomed only to the normal single-engined cabin machine. As a transport machine the Scion has five seats in addi tion to that of the pilot, though another can be arranged with a corresponding reduction in range, but there is plenty of room in the cabin for any normal re-arrangement of seating for different private purposes. Controllable heat ing and ventilation systems are standardised, and the high- wing cantilever arrangement gives both passengers and pilot the best possible view of the ground. Very complete electrical equipment is installed as standard and includes a generator, battery, navigation instrument and cabin lights and a head light, in the extreme nose, for landing Electric engine starters are also regarded as standard items. Each of the engines has its own petrol and oil systems, but the engine pumps are interconnected so that in the event of a pump failure both engines are supplied by the remaining pump. The Scion is largely of metal construction, with the wing built up round a single duralumin box spar with duralumin ribs, while the fuselage is of fabric-covered welded steel tube. The 90 h.p. Pobjoy Niagara engines are enclosed in low-drag cowlings and the undercarriage fittings are designed to take a twin-float chassis if desired. The land undercarriage embodies low-pressure wheels with differentially controlled pneumatic brakes and friction-damped spring shock absorbers. When floats are fitted the entire undercarriage is of Short design and construction. It is highly efficient hydrodynamically and offers far less resistance than might well be supposed. Actually it decreases the top speed by only 6 m.p.h. Structurally the frames of the floats consist of a number of frames or bulkheads built to the required ehape, to which the outer skin is riveted, the skin being stiffened between the frames by " Z" type stiffeners. The planing bottom is stiffened by a keel and side keelsons, additional stiffening being incorporated at highly stressed points. Stainless steel h employed for such items as strut attachments. The sole building and sales rights for the Scion are held The Short Scion is normally equip ped with four passenger seats, on; of which swings out of the way to permit entrance to the pilot' s com - partment, but this arrangement can be modified to suit the pur chaser. A radio set, when carried, is mounted behind the left-hand forward seat and there is a separate luggage compartment. LUGGA3E by Pobjoy Airmotors and Aircraft, Ltd. ; the Scion Senior, which may be regarded as a four-engined, sealed-up version, is, however, still a product of Short Bros. The specification of the Scion is as follows: Weight empty, 1,8751b.; disposable load, 1,3251b.; pan, 42ft.; length, 31ft, tan,, maximum speed, 12S 111.p.h.; cruising speed, nt> m.p.h.; law in., speed, 50 m.p.h.; initial climb, 625 ft./min.; range, 390 miles price, £2,250. Makers: Pobjoy Airmotors and Aircraft, Ltd., Rochester, Kent SARO CUTTY SARK IT has often been a source of wonder that more amateur pilots have not interested themselves in the seaplane, and, to par ticularise, in the small amphibian. The fact that there is only one type of amphibian on the British market is neither here nor there, since the demand Would automatically have produced the supply in due course The performance of the amphibian must naturally be down on the straightforward machine, both in the matter of payload and speed, but one or two recent designs have shown us that the difference need not be so very great. However, for the present the Saro Cutty Sark—or, perhaps, the larger Cloud—are the only machines of this type available, and each of these 1 has been on the market for a number of years. Naturally, if the demand was pre- rent, Saunders-Roe could now improve considerabl ' on these designs. So far as we know, only two Cutty Sarks are in use in this country, though the Cloud has been adopted by the Air Ministry for training purposes. The former, fitted with two Gipsy Major engines, has. how ever, been adopted by a foreign Govern ment for coastal reconnaissance duties, This particular Cutty Sark is that used for training by A.S.T. at Hamble, and is fitted with Siddeley GenetMajor engines. and in this form the Sark has a very good performance. The cabin seats four in two pairs, while there is a lug gage compartment under the cantilever wing and the locker in the nose for nautical gear. Dual control can be fitted and the two centre panels of the screen hinge back to obtain access to the forward compartment and to enable one ol the crew to deal with moorings, and so on. The specification of the Cutty Sark when fitted with two Gipsy Major engines and when equipped as an amphibian is as louw• Weight empty, 2,6701b.; disposable load, i.iSolb.; span, 45"^ length, 34.3ft.; maximum speed, 107 m.p.h.; cruising speeui,* m.p.h.; initial climb, 500 ft./min.; endurance, 3.5 hr. •»a' Saunders-Roe, Ltd., East Cowes, Isle of Wight.
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