1980->

US Aviation SuperFloater / Wind Walker Aircraft Co Super Floater

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A remake of Klaus Hill’s design of the 1970’s primary glider. Designed by Klaus Hill and Larry Hall. An ultalight sailplane, the Super Floater is designed to accommodate a ballistic recovery emergency parachute and comply with U.S. FAA part 103 rules. It has full span ailerons which, as an option, can be configured as flaperons.
Price (1998) US$9995

US Aviation SuperFloater Article

The Super Floater was produced by US Aviation initially and later by Wind Walker Aircraft Co.

Span: 11.6m / 38ft
Area: 15.5 sq.m / 168sq.ft
Height: 5 ft
Length: 20 ft
Empty Weight: 81kg / 179lb
Payload: 100kg / 221lb
Gross Weight: 182kg / 400lb
Wing Load: 11.74kg/sq.m 2.38lb/sq.ft
L/DMax: 15 56 kph / 30 kt / 35 mph
Speed max: 60 mph
Cruise: 55 mph
Stall: 23 mph
MinSink: 0.9 m/s / 3.0 fps / 1.78 kt
Water Ballast: 0
Aspect ratio: 8.4
L/D: 15-1
Seats: 1
Landing gear: single main wheel

US Aviation Cumulus

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The Cumulus has a foldable cantilever wing in riveted sheet dural, dacron covered, and a welded steel spaceframe fuselage and a composite cockpit.

In 1998 the Cumulus returned to the market after and inflight failure of the spar involving the designer.

An Ultralight / Microlight Motorglider Construction is steel and fabric, first flown in 1995. Was available as a kit manufactured by AeroDreams, for $9995. 2009 Price: 7995 US$ airframe only.

Engine: Rotax 277, 28 hp
HP range: 28-35
Height: 4.5 ft
Length: 20.5 ft
Wing span: 43 ft
Wing area: 141 sq.ft
Fuel cap: 5 USG
Weight empty: 320 lbs
Gross: 560 lbs
Speed max: 90 mph
Cruise: 82 mph
Range: 275 sm
Stall: 27 mph
ROC: 600 fpm
Take-off dist: 120 ft
Landing dist: 170 ft
Service ceiling: 15,000 ft
Seats: 1
Landing gear: tail wheel
Glide: 20:1@ 43 mph
Sink: 195 fpm @ 30 mph
Fuel: 1 USG/h.

Engine: Rotax 447, 28 hp
HP range: 28-40
Height: 4.5 ft
Length: 20.5 ft
Wing span: 43 ft
Wing area: 140 sq.ft
Fuel capacity: 5 USG
Empty weight: 163 kg / 360 lbs
Gross weight: 290 kg / 640 lb
Top speed: 90 mph
Cruise: 56 kt / 65 mph / 105 kmh
Stall: 29 mph
VNE: 78 kt / 90 mph / 145 kmh
Aspect ratio: 13-1 sm
L/D: 20-1 fpm
Landing dist: 250 ft
Service ceiling: 15,000 ft
Seats: 1
Landing gear: tailwheel
ROC: 800 ft/min / 4 m/s
Range: 275 sm
Glide Ratio: 20.1
Take-off distance: 170 ft / 52 m
LSA: yes

Engine: Rotax 447, 42 hp
Wing span: 13.1 m
Wing area: 12.7 sq.m
MAUW: 291 kg
Empty weight: 164 kg
Fuel capacity: 19 lt
Max speed: 144 kph
Cruise speed: 97 kph
Minimum speed: 55 kph
Climb rate: 5 m/s
Seats: 1
Fuel consumption: 6 lt/hr
Kit price (1998): $7995

Urban Air UFM-13 Lambada / UFM-15 Lambada / Distar Air UFM-13 Lambada

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The Urban Air UFM-13 Lambada is a two-seat side by side mid-wing motorglider / ultralight aeroplane. The UFM-13 Lambada is developed and built by Urban s.r.o. in Czech and is constructed from composite with sandwich construction. The prototype of the side-by-side two-seat Lambada flew first in May 1996. This UL-plane is a taildrager with quickly dismounting wings. The wings with a total wingspan of 12 meter, quickly to increase by mounting 2 x 1,5 meter wingtips into 15 meter, giving the Lambada excellent gliding performances.

Versions: UFM 13/15 Lambada S-LSA. New versions for the US market equipped with ailerons. Wingspan from 46.6 to 49.0 ft (optional wingtips).

Design features: Conforms to ASTM, JAR-VLA (BCAR-S). Wings and HTU easily detach (self control lines connections) for storage and transport.
Flying controls: UFM 13/15 Lambada is controlled by conventional ailerons, rudder, one-piece elevator and upper surface spoilers.
Structure: Laminated glass fibre and carbon fibre with CFRP wing spar.
Landing gear: Fixed tricycle or tailwheel type. Hydraulic brakes. 2009 Price: 48000 EURO

UFM 13/15 Lambada
Stall: 43 kt / 49 mph / 80 kmh
Cruise: 81 kt / 93 mph / 150 kmh
VNE: 108 kt / 124 mph / 200 kmh
Empty Weight: 280 kg / 617 lbs
MTOW Weight: 472 kg / 1041 lbs
Climb Ratio: 1000 ft/min / 5 m/s
Glide Ratio: 1:30
Take-off distance (50ft obstacle): 490 ft / 150 m
Landing distance (50ft obstacle): 660 ft / 200 m

Engine: Rotax 912, 80 hp
Wing span: 11.80 m
Wing area: 10.80 sq.m
MAUW: 450 kg
Empty weight: 270 kg
Fuel capacity: 40 lt
Max speed: 170 kph
Cruise speed: 150 kph
Minimum speed: 65 kph
Climb rate: 3 m/s
Seats: 2
Fuel consumption: 6-8 lt/hr