# Raven 1000 UL

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American homebuilt aircraft engine

1000 UL Type Aircraft engine National origin United States Manufacturer Raven Redrives Developed from Suzuki G10 automotive engine

The **Raven 1000 UL** is an American [aircraft engine](/source/Aircraft_engine), that was designed and produced by [Raven Redrives](/source/Raven_Redrives) of [El Prado, New Mexico](/source/El_Prado%2C_New_Mexico) for use in [ultralight](/source/Ultralight_aircraft) and [homebuilt aircraft](/source/Homebuilt_aircraft).[1]

The company seems to have gone out of business in 2017 and production ended.[2]

## Design and development

The engine is a development of the [Suzuki G10](/source/Suzuki_G_engine#G10) [automotive engine](/source/Automotive_engine). It is a three-cylinder [in-line](/source/Inline_engine_(aviation)) [four-stroke](/source/Four-stroke), liquid-cooled, gasoline engine design, with a custom-designed belt-type [reduction drive](/source/Reduction_drive) with reduction ratio of 2.11:1. It employs [electronic ignition](/source/Electronic_ignition) and produces 62 hp (46 kW) at 5700 rpm.[1]

## Applications

- [Early Bird Jenny](/source/Early_Bird_Jenny)

## Specifications (1000 UL)

*Data from* World Directory of Leisure Aviation 2011-12[1]

### General characteristics

- **Type:** Three-cylinder, in-line, liquid-cooled, four-stroke aircraft engine

- **[Bore](/source/Bore_(engine)):** 74 mm (2.9 in)

- **[Stroke](/source/Stroke_(engine)):** 77 mm (3.0 in)

- **[Displacement](/source/Engine_displacement):** 993 cc (60.6 cu in)

- **[Dry weight](/source/Dry_weight):** 67 kg (147.7 lb)

### Components

- **Fuel type:** gasoline

- **Cooling system:** liquid

- **[Reduction gear](/source/Propeller_speed_reduction_unit):** custom-designed belt-type [reduction drive](/source/Reduction_drive) with reduction ratio of 2.11:1

### Performance

- **Power output:** 62 hp (46 kW) at 5700 rpm

## See also

**Related lists**

- [List of aircraft engines](/source/List_of_aircraft_engines)

## References

1. ^ [***a***](#cite_ref-WDLA11_1-0) [***b***](#cite_ref-WDLA11_1-1) [***c***](#cite_ref-WDLA11_1-2) Bayerl, Robby; Martin Berkemeier; et al: *World Directory of Leisure Aviation 2011-12*, pages 242-243. WDLA UK, Lancaster UK, 2011. ISSN 1368-485X

1. **[^](#cite_ref-2)** ["Raven Rotor"](https://web.archive.org/web/*/http://www.raven-rotor.com/). *Internet Archive Wayback Machine*. Retrieved April 8, 2018.

## External links

- [Official website](http://www.raven-rotor.com/)

v t e Raven Rotorcraft aircraft Autogyros Explorer I Explorer II Rotor-Plane Aircraft engines 1000 UL 1300 SVS Turbo 1600 SV

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Adapted from the Wikipedia article [Raven 1000 UL](https://en.wikipedia.org/wiki/Raven_1000_UL) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Raven_1000_UL?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.