Cumulus

by US Aviation
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8
Cumulus - Photo #1

The US Aviation CUMULUS... an Ultralight / Microlight Motorglider

Wing Span -- 43 feet (13.1 m.) Wing Area -- 140 square feet (12.7 sq. m.) Length -- 20 feet (6.1 m.) Empty Weight -- 360 pounds (164 kg) before options Gross Weight -- 640 pounds (291 kg) Fuel Capacity -- 5 gallons (19 l.) Pilot Weight Range -- 200 to 250 pounds (90-115 kg) [Pilot acceptable weight depending on options.] Best Glide Ratio -- 20:1 (assumes wheelpants and fullest enclosure) Best Sink Rate -- 190 feet/minute (0.95 m/sec.) Max Speed -- 90 mph (144 km/h) Cruise Speeds -- 35-75 mph (55-120 km/h) Typical Cruise -- 55-60 mph (95 km/h) Stall Speed-- 32 mph (51 km/h) [Stall speed assumes best flaps and light options.] Fuel Consumption -- 1.5 gph (5 l/h) or less Climb Rate -- 800 fpm (4 m/sec.) Range -- over 200 miles (320 km) without lift Takeoff Roll -- 170 feet (52 m.) Roll Rate -- 4.0 seconds 30-to-30 Limit Load -- +4.4 G and -2.0 G Factor of Safety -- 150% of Limit Load

Source: members.aol.com/CumulusMan/

Note: Take-off distance not over 50ft obstacle, price is airframe only

Specifications

Empty weight:
360 lbs (163 kg)
MTOW:
640 lbs (290 kg)
Stall speed:
28 kts (32 mph) (52 kph)
Cruise speed:
56 kts (64 mph) (104 kph)
VNE:
78 kts (90 mph) (144 kph)
Climb:
800 ft/min (4.1 m/s)
Glide ratio:
20
Take-off distance:
170 ft (52 m)
Engine:
447 Rotax Engine
Fuel consumption:
1.5 GPH (3.8 LPH)
For sale for: USD 7,995 / EUR 6,795

PHOTOS

Cumulus - Photo #2