# Cosmos Echo

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The **Cosmos Echo** is a French single-seat, [ultralight trike](/source/Ultralight_trike) that is produced by [Cosmos ULM](/source/Cosmos_ULM). The aircraft is only supplied as a completed aircraft and is not available as a [kit](/source/Homebuilt_aircraft).[1][2]

## Design and development

The Echo was designed to comply with the European [Fédération Aéronautique Internationale](/source/F%C3%A9d%C3%A9ration_A%C3%A9ronautique_Internationale) [microlight](/source/Microlight) classification and has been used in microlight competition flying. It features a [cable-braced](/source/Flying_wires) [hang glider](/source/Hang_glider)-style [high-wing](/source/High-wing), weight-shift controls, a single-seat, open cockpit, [tricycle landing gear](/source/Tricycle_landing_gear) and a single engine in [pusher configuration](/source/Pusher_configuration).[1][2]

The aircraft wing is made from bolted-together [aluminium](/source/Aluminium) tubing, with its double surface wing covered in [Dacron](/source/Dacron) sailcloth. A number of different wings can be fitted, including the Top 12.9. The wing is supported by a single tube-type [kingpost](/source/Kingpost) and uses an "A" frame control bar. Optional equipment includes a [cockpit fairing](/source/Aircraft_fairing) and [wheel pants](/source/Wheel_pants). Engines used are the 37 kW (50 hp) [Rotax 503](/source/Rotax_503) twin cylinder, [two-stroke](/source/Two-stroke) and 30 kW (40 hp) [Rotax 447](/source/Rotax_447) powerplants[1][2]

## Variants

**Echo 12**- With the 37 kW (50 hp) [Rotax 503](/source/Rotax_503) twin cylinder, [two-stroke](/source/Two-stroke) engine and the Top 12.9 wing.[1]
**Echo Fun**- With the 30 kW (40 hp) [Rotax 447](/source/Rotax_447) twin cylinder, two-stroke engine.[2]
**Echo Racer**- With the 37 kW (50 hp) Rotax 503 twin cylinder, two-stroke engine.[2]

## References

1. Bertrand, Noel; Rene Coulon; et al: *World Directory of Leisure Aviation 2003-04*, page 97. Pagefast Ltd, Lancaster OK, 2003. ISSN 1368-485X

1. Purdy, Don: *AeroCrafter - Homebuilt Aircraft Sourcebook*, page 142. BAI Communications. ISBN 0-9636409-4-1

## External links

- [Official website](http://www.cosmos-ultralight.com/wwwsitio_ing/aviones.php)
- [Photo of a Cosmos Echo](https://archive.today/20130127205215/http://www.leroyaviation.com/cosmos/echo103.jpg)

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