# Kolb Kolbra

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Kolb Kolbra & King Kolbra General information Type Ultralight aircraft National origin United States Manufacturer New Kolb Aircraft Status In production Number built King Kolbra - 2 (2003) Kolbra - 2 (2003) History Introduction date 2000 First flight 2000 Developed from Kolb Firefly, Kolb Slingshot

The **Kolb Kolbra** and **King Kolbra** are a family of [American](/source/United_States) tandem two seater, high wing, [strut-braced](/source/Strut), [pusher configuration](/source/Pusher_configuration), [conventional landing gear](/source/Conventional_landing_gear)-equipped [ultralight aircraft](/source/Ultralight_aircraft) that are produced in kit form by [New Kolb Aircraft](/source/New_Kolb_Aircraft) of [London, Kentucky](/source/London%2C_Kentucky) and intended for [amateur construction](/source/Homebuilt_aircraft).[1][2][3][4]

## Design and development

The Kolbra was intended as a dual control, ultralight trainer and was created by combining the front half of a [Firefly](/source/Kolb_Firefly) fuselage with the rear fuselage cage of the [Slingshot](/source/Kolb_Slingshot). The front fuselage was then widened by 10.5 in (27 cm) to allow more room for the pilot's feet. The King Kolbra has a wide fuselage front, similar to the [Mark III](/source/Kolb_Mark_III) whereas the Kolbra has a pointed nose.[4]

The Kolbra's factory standard engine was the 64 hp (48 kW) [Rotax 582](/source/Rotax_582) engine, placing it in the [Ultralight Trainer category](/source/Ultralight_aircraft_(United_States)), but it could be equipped with the 80 hp (60 kW) [Rotax 912UL](/source/Rotax_912UL) or the 80 hp (60 kW) [Jabiru 2200](/source/Jabiru_2200) in the *Experimental - Amateur-built* category. The King Kolbra's standard engine was the [Jabiru 2200](/source/Jabiru_2200).[1][2][3][4]

Both aircraft feature a forward [fuselage](/source/Fuselage) of welded [4130 steel](/source/4130_steel) tubing, mated to an [aluminum](/source/Aluminum) tailboom. The [horizontal stabilizer](/source/Horizontal_stabilizer), [tail fin](/source/Vertical_stabilizer) and wings are also constructed of riveted aluminum tubing and feature full-span [flaperons](/source/Flaperon). All flying surfaces are covered in doped [aircraft fabric](/source/Aircraft_fabric). The wings and horizontal tail are quick-folding for storage and ground transport. The landing gear is sprung tubing for the main gear, with a steerable sprung tailwheel.[1][2][3][4]

## Variants

**Kolbra**
- Two seats in tandem configuration, high wing ultralight, powered by a 64 hp (48 kW) [Rotax 582](/source/Rotax_582), 80 hp (60 kW) [Jabiru 2200](/source/Jabiru_2200) or 80 hp (60 kW) [Rotax 912UL](/source/Rotax_912UL) engine. Aircraft has a highly pointed nose.[1][2][3][4]

**King Kolbra**
- Two seats in tandem configuration, high wing ultralight, powered by an 80 hp (60 kW) [Jabiru 2200](/source/Jabiru_2200) engine. Aircraft has a broad nose.[1][2][3][4]

## Specifications (Kolbra)

*Data from* Kitplanes and Bethea[1][2][3][4]

**General characteristics**

- **Crew:** one

- **Capacity:** one passenger

- **Length:** 24 ft 0 in (7.32 m)

- **Wingspan:** 29 ft 0 in (8.84 m)

- **Height:** 6 ft 10 in (2.08 m)

- **Wing area:** 156 sq ft (14.5 m2)

- **Empty weight:** 496 lb (225 kg)

- **Gross weight:** 1,000 lb (454 kg)

- **Fuel capacity:** 10 US gallons (38 litres)

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

**Performance**

- **Maximum speed:** 100 mph (160 km/h, 87 kn)

- **Cruise speed:** 75 mph (121 km/h, 65 kn)

- **Stall speed:** 35 mph (56 km/h, 30 kn)

- **[Never exceed speed](/source/V_speeds#VNE):** 110 mph (180 km/h, 96 kn)

- **Range:** 180 mi (300 km, 160 nmi)

- **g limits:** +4/-2

- **Rate of climb:** 1,000 ft/min (5.1 m/s)

**Avionics**

- none

## See also

**Aircraft of comparable role, configuration, and era**

- [Excalibur Aircraft Excalibur](/source/Excalibur_Aircraft_Excalibur)

- [Quad City Challenger II](/source/Quad_City_Challenger_II)

## References

1. ^ [***a***](#cite_ref-KitplanesDec2000_1-0) [***b***](#cite_ref-KitplanesDec2000_1-1) [***c***](#cite_ref-KitplanesDec2000_1-2) [***d***](#cite_ref-KitplanesDec2000_1-3) [***e***](#cite_ref-KitplanesDec2000_1-4) [***f***](#cite_ref-KitplanesDec2000_1-5) Downey, Julia: *2001 Kit Aircraft Directory*, Kitplanes, Volume 17, Number 12, December 2000, page 58. KitPlanes Acquisition Company. ISSN 0891-1851

1. ^ [***a***](#cite_ref-KitplanesDec2001_2-0) [***b***](#cite_ref-KitplanesDec2001_2-1) [***c***](#cite_ref-KitplanesDec2001_2-2) [***d***](#cite_ref-KitplanesDec2001_2-3) [***e***](#cite_ref-KitplanesDec2001_2-4) [***f***](#cite_ref-KitplanesDec2001_2-5) Downey, Julia: *2002 Kit Aircraft Directory*, Kitplanes, Volume 18, Number 12, December 2001, page 50. KitPlanes Acquisition Company. ISSN 0891-1851

1. ^ [***a***](#cite_ref-KitplanesDec2003_3-0) [***b***](#cite_ref-KitplanesDec2003_3-1) [***c***](#cite_ref-KitplanesDec2003_3-2) [***d***](#cite_ref-KitplanesDec2003_3-3) [***e***](#cite_ref-KitplanesDec2003_3-4) [***f***](#cite_ref-KitplanesDec2003_3-5) Newby-Gonzalez, Tori: *Kit Aircraft Directory 2004*, Kitplanes, Volume 20, Number 12, December 2003, page 70. Aviation Publishing Group. ISSN 0891-1851

1. ^ [***a***](#cite_ref-UltraFlight_4-0) [***b***](#cite_ref-UltraFlight_4-1) [***c***](#cite_ref-UltraFlight_4-2) [***d***](#cite_ref-UltraFlight_4-3) [***e***](#cite_ref-UltraFlight_4-4) [***f***](#cite_ref-UltraFlight_4-5) [***g***](#cite_ref-UltraFlight_4-6) Bethea, Jim (May 2001). ["Personalities in Ultralight Aviation - Ray Brown: Kolb's Master Builder"](https://web.archive.org/web/20090521155400/http://www.ultraflight.com/issues/may2001/may01page28.htm). Archived from [the original](http://www.ultraflight.com/issues/may2001/may01page28.htm) on 21 May 2009. Retrieved 15 May 2010.

## External links

- [Official website](http://www.kolbaircraft.com/kolbra.htm)

v t e Kolb and New Kolb aircraft Ultralight airplanes Firefly Firestar Flyer Flyer Super Sport King Kolbra Kolbra Mark III Mark III Xtra Pelican Slingshot Ultrastar Powered parachutes Flyer Powered Parachute

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