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Aviation History
1946
1946 - 0308.PDF
FLIGHT FAIREY SPEARFISH ing from a carrier, and Fulmar, Barracuda and Firefly experience has gone towards making the Spearfish, with a wing loading of 38.5 lb./sq. ft., a safe and sound pro- position. The pilot's cockpit is positioned well forward on the wing leading edge, and the nose slopes down towards the engine cowling, the re- sulting good vision and the addition of a well- raised seat being a great help when landing-on. High-lift Flaps Youngman area-increase type flaps are fitted and on the prototype take up 73.5 per cent, of the wing span. They are made in four sections, one inner and one outer on each side, and are hydraulically phased port and starboard, but have positive electro-mechanical balanc- ing between opposite sides. The pilot's selector lever has four positions, housed (combat), cruising, take-off and landing; on selection an electric circuit first comes into operation, then a hydraulic service follows auto- matically. Twin electric motors synchronise the flap movement mechanically through a chain run. Two jacks operate each outer flap, and the inner flaps, which are operated by only one jack, have a torsion rod and rack-and-pinion type linkage for additional DIVE BRAKES stability. (Flap angles with relation to the main wing chord are given in the data table.) On later aircraft up to 90 per cent, of the span may be given over to flaps, and small feeler ailerons of increased chord may be employed in conjunction with spoilers, rather as on the Northrop Black Widow. Two-seater Mk 1 T& Bomber Version for Q Operation (UPPER & LOWER SURFACES) O-5 in. REMOTELY CONTROLLED TURRET METHANOL & WATER TANK FEATURES of special interest shown in this FLIGHT cofSpearfish are the wide-span Youngman flaps, the \lthe balancing of the oil cooler in the port leading board edge, the outward retracting landing wheels cockpit enclosure, the remotely-controlled 0.5 inch radar scanner unitARRESTER HOOK (FOLDED)
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