CubCrafters Carbon Cub SS

CubCrafters Carbon Cub SS
An early S3 Carbon Cub on tundra tires
Role	Light-sport aircraft
National origin	United States of America
Manufacturer	CubCrafters
Introduction	2007 Alaska State Aviation Trade Show and Conference
Unit cost	$185,000 in 2010
Developed from	CubCrafters CC11-100 Sport Cub S2, Piper Cub.

The CubCrafters CC11-160 Carbon Cub SS is an ATSM certified light-sport aircraft based on the Piper Cub. It is modernized, with light-weight carbon fiber components and a 180 hp engine.

Development

The Carbon Cub SS was originally named the "CubCrafters Super Sport Cub".^[1] In order to maintain certification under American Light Sport Aircraft limitations the maximum takeoff power is limited to five minutes.

Design

The Carbon Cub SS uses a carbon fiber spinner and air-induction scoop. The Carbon Cub weighs 250 lbs less than a Piper Super Cub.^[2] The carbon cowling weighs six pounds. ^[3] The fuselage is welded 4130 tube steel with fabric covering. The wings are fitted with vortex generators for low-speed flight control. Some models use a partial color on silver base coat paint job that weighs 7 lbs less than an all-color paint job.

The CC340 engine is a Lycoming O-360 based engine developed with Eci using dual electronic ignition and Eci O-320 cylinders.^[3] The engine is rated at 5 gallons per hour at the 80 hp cruise setting.

Variants

• CubCrafters CC11-100 Sport Cub S2 - an O-200 powered LSA variant ^[4]
• Cubcrafters Carbon Cub EX - An experimental kit variant of the Carbon Cub SS.

Specifications (Carbon Cub SS)

Data from Flying

General characteristics

• Capacity: 2
• Length: 22.75 ft (6.93 m)
• Wingspan: 34.25 ft (10.44 m)
• Height: 9.25 ft (2.82 m)
• Wing area: 171.9 sq ft (15.97 m²)
• Aspect ratio: 5.2-1
• Airfoil: USA35(B)
• Empty weight: 932 lb (423 kg)
• Gross weight: 1,320 lb (599 kg)
• Fuel capacity: 24 gallons
• Powerplant: 1 × CC340 Horizontally opposed piston engine., 180 hp (130 kW)
• Propellers: 2-bladed CATTO composite propeller

Performance

• Maximum speed: 123 kn; 227 km/h (141 mph)
• Cruise speed: 100 kn; 190 km/h (120 mph)
• Stall speed: 27 kn; 50 km/h (31 mph)
• Service ceiling: 17,999 ft (5,486 m)
• Rate of climb: 2,100 ft/min (11 m/s)
• Wing loading: 7.37 lb/sq ft (36.0 kg/m²)
• Thrust/weight: 7.33 per hp

References

1. ^ "CubCrafters Super Sport Cub Becomes Carbon Cub SS". http://www.lightsportaircraftnews.com/lsa-manufacturers/cubcrafters-super-sport-cub-becomes-carbon-cub-ss.html. Retrieved January 20, 2011. 
2. ^ "King Kong "Little" Cub". Plane and Pilot. August 2010. 
3. ^ ^{a b} "The Carbon Cub SS". Flying. October 2010. 
4. ^ autopilot. December 2010.