Fred also sold the gear retraction system as an aid to the homebuilder. According to Fred two Hurricanes are in museums because of the age of the owners, two are under construction, and two sets of plans have just been sold to enthusiasts in Canada."
Remarks by Fred Sindlinger: "The aircraft is built to 5/8 scale, except for the following: cockpit is 4 in (10.2 cm) out of scale in height and width, elevators are 12% over-scale. The aircraft is all wood except for the engine mount.
Wing spars are a laminated 'I' beam section of 3/4 in (19 mm) spruce and plywood. The entire wing is skinned with 3/32 in (2.4 mm) plywood and fabric covered. Flaps are skinned with 1/16 in (1.6 mm) plywood and fabric covered. Stabilizer and fin are built like the wings with the elevator and rudder made from 1/4 in (6.4 mm) spruce and fabric covered.
The fuselage from firewall to aft of cockpit is a monocoque structure with a wood truss from cockpit to tail. Stringers and fabric give the appearance of the actual Hurricane. The landing gear was welded from standard sizes of 4130 aircraft tubing with coil springs for shock absorption. The gear retracts manually with a hand crank on the sidewall of the cockpit. The tail wheel is fixed. The glass fiber engine cowling was laid up over a plaster mold."
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Span: 25 ft (7.62 m)
Length: 19 ft 8 in (5.99 m)
Height: 5 ft 10 in (1.78 m)
Wing area: 102 sq.ft (9.48 sq.m)
Fuel: 30 gal (114 l)
Empty weight: 1,005 lb (456 kg)
Gross weight: 1,375 lb (624 kg)
Engine: Lycoming 150 hp
Propeller: Hartzell C/S
Cruise speed: 165 mph (266 kmh)
Max. speed: 200 mph (322 kmh)
Rate of climb: 1,200 ft (366 m)/min
Stall (no flaps): 67 mph (108 kmh)
Stall (45' flaps): 62 mph (100 kmh)
Additional info from Jane's AWA 1974-1975 and 1979-1980:
Design began in April 1969
Construction started July 1969
First flight January 1972
Certification in FAA Experimental category May 1972
Full stress analysis completed early 1973
Plans available for amateur construction September 1973
Early 1979 about 50 sets of drawings sold
About 17 under construction in various parts of the world
First plans-built example flew in South Africa in 1978.