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Remarks by Philo Lund: "N33000 is the first built and built by Fred. He spent three years building this aircraft. In an article in "Sport Aviation" of December 1972 he stated that he had over 100 hours on it. In that issue he also stated that plans were not yet available. In "Aeroplane Monthly" of October 1973, plans were available for $115. Fred also sold the gear retraction system as an aid to the home-builder. 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 percent 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 fiberglass engine cowling was laid up over a plaster mold." Wing span: Wing area: Length: Height: Fuel: Empty weight: Gross weight: Engine: Propeller: Cruise speed: Max. speed: Rate of climb: Stall (no flaps): Stall (45' flaps): 25 ft (7.62 m) 102 sq.ft (9.48 sq.m) 19 ft 8 in (5.99 m) 5 ft 10 in (1.78 m) 30 gal (114 l) 1,005 lb (456 kg) 1,375 lb (624 kg) Lycoming 150hp Hartzell C/S 165 mph (266 kmh) 200 mph (322 kmh) 1,200 ft (366 m)/min 67 mph (108 kmh) 62 mph (100 kmh) Additional info from Jane's AWA 1974-1975 and 1979-1980: Sindlinger HH-1 Hawker Hurricane 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.