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Aviation History
1939
1939 - 0188.PDF
78 FLIGHT. JANUARY 26, 1939 which, incidentally, is different from that on the Empire boat, being faired to a vertical knife edge. A number of watertight bulkheads, or partial bulkheads, in the hull per mit any compartment to be flooded without the water over- flooding into adjacent sections in the hull. There are two large doors, one near the bow on the port side and the other on the starboard side just forward of the rear step. The pilots' compartment is generally similar in design to that of the Empire flying boat, but is placed much farther aft in relation to the bow. The hull is divided into two decks, the upper accommo dating two pilots side by side, a navigator, wireless opera tor and engineer. Details of the accommodation and the equipment may be studied in the specially prepared Flight drawing on the two previous pages. Internal Equipment Towards the rear of the upper deck, which extends to a point just aft of the main plane, is stowage for flares and maintenance cradles. The lower deck embodies the moor ing compartment, lavatory, officers' wardroom, galley and quarters for the crew. The wardroom and crew's quarters have bunks and folding tables. The upper deck is reached either by a stairway adjoining the lavatory or by a ladder from the galley. Apart from the usual marine equipment (anchor, drogues, bollards, etc.), there is a fitter's work-bench with vice; flares, with an appropriate launching chute ; and provision for a camera. Other items of Service equipment include marine distress signals, smoke puffs, microphone and tele phone system, two collapsible dinghies and awnings for use while at moorings in hot climates. The galley has a cooker, iresh-water tanks, paraffin tank, draining rack and an ice chest. SUNDERLAND I. General Purpose Military Flying Boat. Pour Bristol Pegasus XXII engines (840 h.p. at 4,000ft.) DIMENSIONS. Span Length Height (on beaching chassis) Main plane area WEIGHTS. Weight empty Petrol (normal load) 1,520 gall. Oil (normal load) 92 gal. Service load plus crew Normal all-up weight Overload petrol (2,034 gal.) .. Overload oil (128 gal.) Overload all-up weight 112ft. 9fcin. 85ft. 4in. 32ft, 11 in. 1,487 sq. ft. 28,290 lb. 11,400 lb. 8301b. 5,1801b. 45,700 lb. 15,250 lb. 1,1501b. 49,870 lb. PERFORMANCE (NORMAL LOAD). Maximum speed Maximum cruising speed (normal r.p.m.) Minimum flying speed Rate of climb—sea level Service ceiling Time to take off (10 m.p.h. wind) ... Normal range still air Overload range still air 210 m.p.h. at 6,250ft. 178 m.p.h. at 5,750ft. 80 m.p.h. 1,200 ft./min. 20,500ft. 23 sec. 1,670 sea miles. 2,500 sea miles. Apart from a heavy bomb load, accommodated in the hull, there are two Nash and Thompson power-driven gun turrets (bow and stern) and two midships gun mountings. (Continued on page 79.) "Flight" rkefgrav**- The design of the pilots' enclosure on the Sunderland is generally similar to that on the Empire boat. The layout of controls is likewise similar, though items of equipment impart a military—or perhaps naval—air.
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