CubCrafters CC11-160 Carbon Cub SS

The CubCrafters CC11-160 Carbon Cub SS is an ASTM certified light-sport aircraft based on the Piper J-3 Cub manufactured by Cub Crafters. It is modernized, with light-weight carbon fiber components and a 180 hp (130 kW) engine.[1]

CC11-160 Carbon Cub SS
Carbon Cub SS
Role Light-sport aircraft
National origin United States
Manufacturer Cub Crafters
Introduction 2007 Alaska State Aviation Trade Show and Conference
Developed from CubCrafters CC11-100 Sport Cub S2, Piper J-3 Cub.
Variants CubCrafters Carbon Cub UL

In January 2016 the Carbon Cub was named AVweb's "Airplane of the Year" for 2015.[2]

Development

The Carbon Cub SS was originally named the "CubCrafters Super Sport Cub".[3] 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 300 pounds (140 kg) less than a Piper PA-18 Super Cub.[4] The carbon cowling weighs six pounds (2.7 kg).[5] The fuselage is welded SAE 4130 chrome-molybdenum steel tubing 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 11 pounds (5.0 kg) less than an all-color paint job.

The CC340 engine, based on the Lycoming O-320, is developed with Engine Components International, Inc. (ECi),[6] using dual electronic ignition and ECi O-320 cylinders.[5]

Variants
CubCrafters CC11-100 Sport Cub S2
An O-200 powered LSA variant[1]
CubCrafters Carbon Cub EX
An experimental kit variant of the Carbon Cub SS with a gross weight of 1,865 lb (846 kg).[7]

Specifications (Carbon Cub SS)
Carbon Cub SS cockpit

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: 896 lb (399 kg)
  • Gross weight: 1,320 lb (599 kg)
  • Fuel capacity: 24 US gallons (91 L) usable in 25 US gal (95 L) tank
  • Powerplant: 1 × CC340 horizontally-opposed piston engine, 180 hp (130 kW) for maximum of 5 minutes, 80 hp continuous. The short term increased output is suitable for short field takeoff and initial higher rate of climb. In level flight, 80 hp produces 76.3% of the speed produced by 180 hp, the cube root of 80/180.
  • Propellers: 2-bladed CATTO composite propeller

Performance

  • Maximum speed: 88 kn (101 mph, 163 km/h) Vno, the boundary between green and yellow on the airspeed indicator.
  • Stall speed: 27 kn (31 mph, 50 km/h) out of ground effects, without assistance of engine power, with full flaps; 35 kn (65 km/h) without use of flaps.
  • Never exceed speed: 123 kn (141 mph, 227 km/h) Vne, boundary between yellow and red on the airspeed indicator, achievable in powered flight pitched for dive with 1G wing loading in smooth air.
  • Range: 390 nmi (450 mi, 720 km) maximum, using 24.0 gal of fuel, with 1.0 gal unusable remaining in tank, with no reserve fuel.
  • Ferry range: 650 nmi (750 mi, 1,210 km) with increased fuel capacity of optional extended range fuel tank.
  • Service ceiling: 17,999 ft (5,486 m)
  • Rate of climb: 2,100 ft/min (11 m/s) using 180 hp, no flaps, below gross weight.
  • Wing loading: 7.37 lb/sq ft (36.0 kg/m2)
  • Thrust/weight: 7.33 per hp

References
  1. Tacke, Willi; Marino Boric; et al: World Directory of Light Aviation 2015-16, page 42. Flying Pages Europe SARL, 2015. ISSN 1368-485X
  2. "AVweb's Stuff of the Year". avweb.com. Retrieved 2 January 2016.
  3. "CubCrafters Super Sport Cub Becomes Carbon Cub SS". Archived from the original on February 10, 2011. Retrieved January 20, 2011.
  4. "King Kong "Little" Cub". Plane and Pilot. August 2010.
  5. Charles, Michael Maya (October 2010). "Carbon Cub SS". Aircraft. Flying. Bonnier Corporation. ISSN 0015-4806. Retrieved 29 June 2016.
  6. Continental Motors, Inc. purchased Danbury Aerospace in 2015, of which Engine Components International, Inc. in San Antonio, Texas, was a division.
  7. Vandermeullen, Richard: 2012 Kit Aircraft Buyer's Guide, Kitplanes, Volume 28, Number 12, December 2011, page 49. Belvoir Publications. ISSN 0891-1851

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