CBB O2 explained

The CBB O2 (often styled O²) is a family of French ultralight trikes, designed by Bruno Bouron and produced by CBB ULM of Montreuil-Bellay. The aircraft is supplied complete and ready to fly.[1]

Design and development

The O2 was designed to comply with the Fédération Aéronautique Internationale microlight category, including the category's maximum gross weight of 4500NaN0. The aircraft has a maximum gross weight of 4500NaN0.[1]

The aircraft design features a cable-braced hang glider-style high wing supported by a curved mount, weight-shift controls, a two-seats-in-tandem open cockpit with a small cockpit fairing, tricycle landing gear with wheel pants and a single engine in pusher configuration.[1]

The aircraft is made from bolted-together aluminum tubing, with its double-surface wing covered in Dacron sailcloth. Its 9.381NaN1 span wing is supported by a single tube-type kingpost and uses an "A" frame weight-shift control bar. The powerplant is a twin-cylinder, liquid-cooled, two-stroke, dual-ignition 640NaN0 Rotax 582 engine or a four-cylinder, air- and liquid-cooled, four-stroke, dual-ignition 800NaN0 Rotax 912UL engine. At one time the twin-cylinder, air-cooled, four-stroke, dual-ignition 600NaN0 HKS 700E engine was offered, but its use on the O2 had been discontinued by 2015. By 2018 the HKS powerplant had returned as an option.[1] [2]

In its O2 SW 582 version, the aircraft has an empty weight of 1720NaN0 and a gross weight of 4500NaN0, giving a useful load of 2780NaN0. With full fuel of, the payload is 2410NaN0.[1]

An improved model of the basic O2 carriage is the O2B.[3]

A number of different wings can be fitted to the basic carriage, including the standard La Mouette Oryx.[1]

Variants

O2 582 Oryx 14
  • Model powered by a twin cylinder, liquid-cooled, two-stroke, dual-ignition 640NaN0 Rotax 582 engine and equipped with a La Mouette Oryx wing.[1]
    O2 SW 582
  • Economical model powered by a twin-cylinder, liquid-cooled, two-stroke, dual-ignition 640NaN0 Rotax 582 engine.[1]
    O2 SW 912
  • Model powered by a four-cylinder, air and liquid-cooled, four-stroke, dual-ignition 800NaN0 Rotax 912UL engine and equipped with a La Mouette Oryx wing.[1]
    O2B HKS Light
  • Model powered by a twin-cylinder, air-cooled, four-stroke, dual-ignition 600NaN0 HKS 700E engine and equipped with a La Mouette wing.[2]
    O2B HKS SW
  • Model with options as standard for cross-country flying, powered by a twin-cylinder, air-cooled, four-stroke, dual-ignition 600NaN0 HKS 700E engine and equipped with a La Mouette wing.[2]
    O2B 582
  • Model powered by a twin-cylinder, liquid-cooled, two-stroke, dual-ignition 640NaN0 Rotax 582 engine.[4]
    O2B 912
  • Model powered by a four-cylinder, air- and liquid-cooled, four-stroke, dual-ignition 800NaN0 Rotax 912UL engine.[5]

    Notes and References

    1. Tacke, Willi; Marino Boric; et al: World Directory of Light Aviation 2015-16, page 225-226. Flying Pages Europe SARL, 2015.
    2. Web site: O²B HKS. 24 January 2018. CBB ULM. www.cbb-ulm.com. https://web.archive.org/web/20180125134602/http://www.cbb-ulm.com/ultralight-o2b/ulm-o2b-hks. 25 January 2018. dead.
    3. Web site: Le chariot 0²B. 24 January 2018. CBB ULM. www.cbb-ulm.com. https://web.archive.org/web/20180125134543/http://www.cbb-ulm.com/ultralight-o2b/vente-ulm-pendulaire. 25 January 2018. dead.
    4. Web site: O2B 582. 24 January 2018. CBB ULM. www.cbb-ulm.com. https://web.archive.org/web/20180125134600/http://www.cbb-ulm.com/ultralight-o2b/ulm-rotax-582. 25 January 2018. dead.
    5. Web site: O2B 912. 24 January 2018. CBB ULM. www.cbb-ulm.com. https://web.archive.org/web/20180125134540/http://www.cbb-ulm.com/ultralight-o2b/ulm-rotax-912. 25 January 2018. dead.

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