Cairns Model A

Cairns Model Afrom Aero Digest, April, 1935:

Cairns Aircraft Corporation, Naugatuck, Connecticut

• President: Edmund B. Cairns. Vice-president and Treasurer: Harris Whittemore, J r.
Two-place open or closed low-wing monoplane. Wright Whirlwind engine, 165 horsepower. Standard model takes all Whirlwind type engines; other engines also can be used.


Span 36 feet 6 inches. Length overall 24 ieet 7.5 inches. Height overall 7 feet 6 inches. Wing area 161 square feet.

Power loading 12 pounds per horsepower. Wing loadings 15 pounds per square foot.

Empty weight 1500 pounds. Useful load 1000 pounds. Payload 650 pounds. Gross weight 2500 pounds.

Fuel capacity 50 gallons. Oil capacity 5 gallons.

Maximum speed at 2000 feet at 2000 r.p.m. 190 miles per hour. Cruising speed at 2000 feet at 1600 r.p.m. 160 miles per hour. Landing speed 45 miles per hour. Service ceiling 18,000 feet. Rate of climb 1100 feet per minute. Cruising range 800 miles.

Fuselage: monocoque type; machine formed dural; smooth surface rivets countersunk; circular triangular cross section; tandem cockpits. Wing: multiple tapered spars qf 17ST dural; full cantilever; Alclad covering, smooth skin, screwed on and locked with special lock washers; flaps optional equipment. Tail group: welded steel, coated with Latex and Alclad covered, smooth skin; tapered chrome molybdenum steel tubes with splined ends engaging control levers are main beams of tail group. Landing gear fully retractable, partially retractable or fixed, as desired. Standard model fixed divided type; each unit consists of steel framework incorporating patented system of shock absorption; streamlined fairings of Alclad with wheels equipped with Cairns brakes and Goodyear tires. Ball bearings for engine and plane controls.

Instruments: altimeter, tachometer, oil pressure gauge, oil temperature gauge, cylinder temperature gauge, air speed indicator, fuel gauge, bank and turn indicator. Also see data in January, 1932, AERO DIGEST.

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