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maximum arcs of fire for the free guns. Remarkably good downwards and landing vision obtains from both cockpits, so that reconnaissance and "spotting" are greatly facilitated and accuracy in observation assured. The pilot can actually see the landing gear wheels and axle. If additional vision is desired for deck landings, however, the pilot's seat is provided with an automatic height adjusting device, making it possible to instantly adjust the seat in the air when coming in for a landing.
The wings are of standard Vought construction, built up with spruce beams (except in center section where steel beams are used), and ribs of plywood and spruce with Warren-truss stiffeners. The wing panels are fabric covered, and finished with Perry-Austin pigmented dopes.
The tail surfaces are of ample size, giving positive control at all speeds, even below stalling. The tail units are of welded steel tube construction, fabric covered like the wing panels, with pigmented dope finish. 
The horizontal stabilizer is adjustable in flight by a convenient hand wheel control in the pilot's cockpit. The comfort of the crew has been given special attention. Both cockpits are exceptionally long and roomy, affording unusual leg-room and comfort for both occupants. Cockpits are windproof and fitter with adjustable, non-shatterable glass windshields. Ingress and egress from both cockpits is remarkably easy, even with a parachute. In addition to the adjustable seat noted above, the rudder bar in pilot's cockpit is also adjustable for the comfort and accommodation of different pilots. The rear seat may be folded out of the way, and with the removable rear stick and arrangement of controls, gives an unobstructed gunner's cockpit for the operation of the free guns. The fuselage side fairing forms copartments on both sides of the rear cockpit for the convenient location of operating and special equipment, leaving the cockpit sides free from projections which might foul a parachute. This feature is not possible, of course, in flatsided, logeron-faired fuselages. 
The fuselage is of the tandem cockpit arrangement, carefully streamlined to reduce resistance. The fuselage frame is fabricated of chrome-molybdenum steel tubing, welded together, with proper "follow-through" eliminating butt welds at all important stations. Aluminum cowling is used on the fuselage from the rear cockpit forward, and fabric covering over the faired truss aft. Provision has been made for some control of engine cooling by means of suitable adjustable diaphrams in the engine cowling. Ample access doors are provided throughout the fuselage to permit easy maintenance of operating parts, and whole units of the cowling are quickly detachable for overhaul operations, fasteners which do not require any tool to open being provided. 
Ample stowage space is provided behind the rear cockpit for stowage of hoist sling, life raft, etc. Stowage for luggage is provided under the seat in the rear cockpit. 
The Pratt & Whitney "Wasp" engine is mounted on a very simple engine mount built up of welded steel tubes and a pressed ring plate. All tube ends are reenforced and tounged, and the mounting is designed with all welds in shear. The simple construction insures reliability in service, and the mount is quickly detachable by the removal of only four taper attachment bolts.
The propeller used in the latest Vought model is two-bladed all metal type.
The fuel tanks are of the familiar Vought side type, fitting into the sides of the fuselage fairing, but in the case of the "Corsair" both tanks are duplicates and interchangeable–an important advantage when considering spare parts problems. The tanks are of unusually large capacity which, with the economy of the "Wasp" engine, give the"Corsair" a large flight radius and make it adaptable for long cross-country flights as well as long distance connaissance work at sea. The oil tank is mounted behind the engine compartment fire wall. All tanks are fitted with large diameter filler necks with special filler caps, making it possible to refuel the "Corsair" very quickly. The fuel and oil