# CBB O2

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French ultralight trike

O2 General information Type Ultralight trike National origin France Manufacturer CBB ULM Designer Bruno Bouron Status In production (2018)

The **CBB O2** (often styled **O²**) is a family of [French](/source/France) [ultralight trikes](/source/Ultralight_trike), designed by Bruno Bouron and produced by [CBB ULM](https://en.wikipedia.org/w/index.php?title=CBB_ULM&action=edit&redlink=1) of [Montreuil-Bellay](/source/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](/source/F%C3%A9d%C3%A9ration_A%C3%A9ronautique_Internationale) [microlight](/source/Microlight) category, including the category's maximum gross weight of 450 kg (992 lb). The aircraft has a maximum gross weight of 450 kg (992 lb).[1]

The aircraft design features a [cable-braced](/source/Flying_wires) [hang glider](/source/Hang_glider)-style [high wing](/source/High_wing) supported by a curved mount, weight-shift controls, a two-seats-in-[tandem](/source/Tandem) open cockpit with a small [cockpit fairing](/source/Cockpit_fairing), [tricycle landing gear](/source/Tricycle_landing_gear) with [wheel pants](/source/Wheel_pants) and a single engine in [pusher configuration](/source/Pusher_configuration).[1]

The aircraft is made from bolted-together [aluminum](/source/Aluminum) tubing, with its double-surface wing covered in [Dacron](/source/Dacron) sailcloth. Its 9.38 m (30.8 ft) span wing is supported by a single tube-type [kingpost](/source/Kingpost) and uses an "A" frame weight-shift control bar. The powerplant is a twin-cylinder, liquid-cooled, [two-stroke](/source/Two-stroke), [dual-ignition](/source/Dual-ignition) 64 hp (48 kW) [Rotax 582](/source/Rotax_582) engine or a four-cylinder, air- and liquid-cooled, [four-stroke](/source/Four-stroke), dual-ignition 80 hp (60 kW) [Rotax 912UL](/source/Rotax_912UL) engine. At one time the twin-cylinder, air-cooled, four-stroke, dual-ignition 60 hp (45 kW) [HKS 700E](/source/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 172 kg (379 lb) and a gross weight of 450 kg (992 lb), giving a useful load of 278 kg (613 lb). With full fuel of 52 litres (11 imp gal; 14 US gal), the payload is 241 kg (531 lb).[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](https://en.wikipedia.org/w/index.php?title=La_Mouette_Oryx&action=edit&redlink=1).[1]

## Variants

**O2 582 Oryx 14**
- Model powered by a twin cylinder, liquid-cooled, [two-stroke](/source/Two-stroke), [dual-ignition](/source/Dual-ignition) 64 hp (48 kW) [Rotax 582](/source/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 64 hp (48 kW) [Rotax 582](/source/Rotax_582) engine.[1]

**O2 SW 912**
- Model powered by a four-cylinder, air and liquid-cooled, [four-stroke](/source/Four-stroke), dual-ignition 80 hp (60 kW) [Rotax 912UL](/source/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 60 hp (45 kW) [HKS 700E](/source/HKS_700E) engine and equipped with a [La Mouette](/source/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 60 hp (45 kW) [HKS 700E](/source/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 64 hp (48 kW) [Rotax 582](/source/Rotax_582) engine.[4]

**O2B 912**
- Model powered by a four-cylinder, air- and liquid-cooled, four-stroke, dual-ignition 80 hp (60 kW) [Rotax 912UL](/source/Rotax_912UL) engine.[5]

## Specifications (O2 SW 582)

*Data from* Tacke[1]

**General characteristics**

- **Crew:** one

- **Capacity:** one passenger

- **Wingspan:** 9.38 m (30 ft 9 in)

- **Wing area:** 12.9 m2 (139 sq ft)

- **Empty weight:** 172 kg (379 lb)

- **Gross weight:** 450 kg (992 lb)

- **Fuel capacity:** 52 litres (11 imp gal; 14 US gal)

- **Powerplant:** 1 × [Rotax 582](/source/Rotax_582) twin cylinder, liquid-cooled, [two stroke](/source/Two_stroke) [aircraft engine](/source/Aircraft_engine), 48 kW (64 hp)

- **Propellers:** 4-bladed fixed pitch

**Performance**

- **Maximum speed:** 135 km/h (84 mph, 73 kn)

- **Cruise speed:** 90 km/h (56 mph, 49 kn)

- **Rate of climb:** 5.4 m/s (1,060 ft/min)

- **Wing loading:** 34.9 kg/m2 (7.1 lb/sq ft)

## References

1. ^ [***a***](#cite_ref-WDLA15_1-0) [***b***](#cite_ref-WDLA15_1-1) [***c***](#cite_ref-WDLA15_1-2) [***d***](#cite_ref-WDLA15_1-3) [***e***](#cite_ref-WDLA15_1-4) [***f***](#cite_ref-WDLA15_1-5) [***g***](#cite_ref-WDLA15_1-6) [***h***](#cite_ref-WDLA15_1-7) [***i***](#cite_ref-WDLA15_1-8) [***j***](#cite_ref-WDLA15_1-9) Tacke, Willi; Marino Boric; et al: *World Directory of Light Aviation 2015-16*, page 225-226. Flying Pages Europe SARL, 2015. [ISSN](/source/ISSN_(identifier)) [1368-485X](https://search.worldcat.org/issn/1368-485X)

1. ^ [***a***](#cite_ref-HKS_2-0) [***b***](#cite_ref-HKS_2-1) [***c***](#cite_ref-HKS_2-2) CBB ULM. ["O²B HKS"](https://web.archive.org/web/20180125134602/http://www.cbb-ulm.com/ultralight-o2b/ulm-o2b-hks). *www.cbb-ulm.com*. Archived from [the original](http://www.cbb-ulm.com/ultralight-o2b/ulm-o2b-hks) on 25 January 2018. Retrieved 24 January 2018.

1. **[^](#cite_ref-O2B_3-0)** CBB ULM. ["Le chariot 0²B"](https://web.archive.org/web/20180125134543/http://www.cbb-ulm.com/ultralight-o2b/vente-ulm-pendulaire). *www.cbb-ulm.com*. Archived from [the original](http://www.cbb-ulm.com/ultralight-o2b/vente-ulm-pendulaire) on 25 January 2018. Retrieved 24 January 2018.

1. **[^](#cite_ref-R582_4-0)** CBB ULM. ["O2B 582"](https://web.archive.org/web/20180125134600/http://www.cbb-ulm.com/ultralight-o2b/ulm-rotax-582). *www.cbb-ulm.com*. Archived from [the original](http://www.cbb-ulm.com/ultralight-o2b/ulm-rotax-582) on 25 January 2018. Retrieved 24 January 2018.

1. **[^](#cite_ref-R912_5-0)** CBB ULM. ["O2B 912"](https://web.archive.org/web/20180125134540/http://www.cbb-ulm.com/ultralight-o2b/ulm-rotax-912). *www.cbb-ulm.com*. Archived from [the original](http://www.cbb-ulm.com/ultralight-o2b/ulm-rotax-912) on 25 January 2018. Retrieved 24 January 2018.

## External links

- [Official website](http://www.cbb-ulm.com)

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Adapted from the Wikipedia article [CBB O2](https://en.wikipedia.org/wiki/CBB_O2) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/CBB_O2?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.