Tuesday, December 16, 2008

CALLAIR


1941–57



callair
STANDARD DATA: (A-1) Seats 2-3. Gross wt. 1,550. Empty wt. 1,000. Fuel capacity 25. Engine 100-hp Lycoming.
PERFORMANCE: Top mph 115. Cruise mph 105. Stall mph 40. Initial climb rate 500. Ceiling 13,000. Range 260.

STANDARD DATA: (A-2, A-3). Seats 2. Gross wt. 1,550. Empty wt. 975. Fuel capacity 30. Engine 125- hp Lycoming.
PERFORMANCE: Top mph 120. Cruise mph 109. Stall mph 45. Initial climb rate 1,000. Ceiling 17,500. Range 456. Takeoff run 426. Landing roll 300.

The first CallAir flew in 1941 and was designated the Model A. The last version was introduced in 1957 and was named the A-6. Throughout the years of its existence, the basic difference between any of the models was the powerplant; otherwise, the Model A-4 differed little externally from the original Model A. The CallAir was built with mixed construction: fabric-covered wooden wings and a fabric-covered steeltube fuselage. The Model A-2, with a 125-hp Lycoming, and the Model A-3, with a 125-hp Continental, were produced during the years between 1946 and 1948. The first production models of the A-4 appeared in 1955, and the major refinement was the addition of 25 more horsepower with the installation of a 150-hp Lycoming. All models shared the same two-to three-seat cabin and low wing with exposed struts.

Another version of the CallAir was introduced in 1956 and was basically an agricultural development of the Model A-4. Designated the A-S, it was normally flown as a singleseater with the cockpit offset to the starboard side due to the inclusion of the dust hopper. The Model A-6 flown in 1957 was identical, apart from another jump in horsepower to a 180-hp Lycoming. The Intermountain Manufacturing Co. developed a series of low-priced agricultural aircraft from the CallAir, and the first airplane rolled off the production line in 1963. The A-9 featured a 235-hp Lycoming; its top speed was now 130 mph, and its climb rate was now 650 fpm. The dust hopper was moved to a position in front of the cockpit.



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