Funk F-23

Role	Agricultural aircraft
Manufacturer
Designer
First flight	November 1962
Number built	15

The Funk F-23 was an agricultural aircraft produced in the United States during the 1960s. It was designed by using the fuselage frame of military surplus Fairchild PT-19 trainers as a starting point. The resulting aircraft was a low-wing cantilever monoplane with fixed, tailwheel undercarriage and all-metal construction. The main structural changes were in the wing, which had all-new outer panels. The space occupied by the forward cockpit of the PT-19 was used to accommodate a 200 U.S. gallon (757 litre) hopper for chemicals. Production continued until 1970, when manufacturing rights to the design were purchased by . The new owner, however, produced no further examples of the type.

Variants[]

F-23 - prototype (1 built)
F-23A - production version with Continental W670-M engine (11 built)
F-23B - production version with Jacobs R-755 engine (3 built)

Specifications (F-23A)[]

Data from Jane's All The World's Aircraft 1969–70^[1]

General characteristics

Crew: One pilot
Capacity: 215 US gal (179 imp gal; 810 L)
Length: 26 ft 4 in (8.03 m)
Wingspan: 40 ft 6 in (12.34 m)
Height: 8 ft 6 in (2.59 m)
Wing area: 280 sq ft (26 m²)
Empty weight: 2,250 lb (1,021 kg)
Gross weight: 4,300 lb (1,950 kg)
Fuel capacity: 47 US gal (39 imp gal; 180 L)
Powerplant: 1 × Continental W670-M , 240 hp (180 kW)

Performance

Maximum speed: 115 mph (185 km/h, 100 kn) at sea level
Cruise speed: 95 mph (153 km/h, 83 kn)
Stall speed: 57 mph (92 km/h, 50 kn) (power on)
Range: 350 mi (560 km, 300 nmi) (max fuel, 75% power)
Service ceiling: 16,500 ft (5,000 m)
Rate of climb: 350 ft/min (1.8 m/s)

References[]

^ Taylor 1969, p. 327.

Simpson, R. W. (1995). Airlife's General Aviation. Shrewsbury: Airlife Publishing. p. 421.
Taylor, John W. R. (1969). Jane's All The World's Aircraft 1969–70. London: Sampson Low, Marston & Company. ISBN 0-354-00051-9.
Taylor, Michael J. H. (1989). Jane's Encyclopedia of Aviation. London: Studio Editions. p. 269.

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[JAWA68_p327-1] Taylor 1969, p. 327.

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