The Wolseley Aquarius I or A.R.7 was a British seven-cylinder, air-cooled

radial Radial is a geometric term of location which may refer to: Mathematics and Direction * Vector (geometric) In mathematics, physics, and engineering, a Euclidean vector or simply a vector (sometimes called a geometric vector or spatial vector) ...

aero engine An aircraft engine, often referred to as an aero engine, is the power component of an aircraft propulsion system. Most aircraft engines are either piston engines or gas turbines, although a few have been rocket powered and in recent years many ...

that first ran in 1933, it was designed and built by

Wolseley Motors Wolseley Motors Limited was a British motor vehicle manufacturer founded in early 1901 by the Vickers Armaments in conjunction with Herbert Austin. It initially made a full range, topped by large luxury cars, and dominated the market in the Ed ...

. Intended for the military

trainer aircraft A trainer is a class of aircraft designed specifically to facilitate flight training of pilots and aircrews. The use of a dedicated trainer aircraft with additional safety features—such as tandem flight controls, forgiving flight characteristi ...

market few were produced, as Wolseley withdrew from the aero engine market in 1936.

Applications

Hawker Tomtit The Hawker Tomtit is a British training biplane from the late 1920s. Design and development The Royal Air Force in 1927 required a replacement for their current elementary trainers, the elderly Avro 504Ns. They specified that the power plant sh ...

Specifications (A.R.7)

References

Notes

Bibliography

* Lumsden, Alec. ''British Piston Engines and their Aircraft''. Marlborough, Wiltshire: Airlife Publishing, 2003. .

External links

''Flight'', January 1936 - Wolseley Aquarius advertisement
{{Wolseley aeroengines 1930s aircraft piston engines Aircraft air-cooled radial piston engines