Unusual rotary engines
Introduction / Curtiss-Wright / PATS Generator for business jets / More Information
Items on this page are engines and information for which there is not enough material available to make a full page.
Curtiss-Wright was another licensee of Wankel rotary engine technology from
The picture on the left shows various Curtiss-Wright rotary rotors - 8.6, 60,
and 1920 cubic inch rotors.
PATS Aeroplane auxiliary power unit
The PATS Company's produces a "HF" Wankel powered Auxiliary power unit
('APU') for business jets. An APU is a generator for power on the ground while main engines
The engine itself is made by the military engine company UAV Engine
Ltd. in UK (they belong 80% to Silver Arrow/Elbit Systems Ltd, Israel.)
In the 1960s and early 1970s there were many manufacturers investigating
rotary engines. Since the mid 1990s this seems to have undergone some renewed
interest thanks to developments in materials and the Wankel rotary's inherent
qualities (good power-weight; compact packaging, smooth operation).
Further reading and acknowledgements:
Other relevant reading at Craig's Rotary Page (Please go via the INDEX
Other relevant sites on the Internet (Please go via the LINKS
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This page last updated 19/3/2001
19/3/2001 - Changed More Information section to new standard, Checked spelling, Converted all text to new standard (Headings as Heading1, Some sub-headings (e.g. tables) as 14 point normal bold italic, Most text as Normal, Internal page links at top not all uppercase), Changed from Netscape to FrontPage. Background image changed to PG00_02B.JPG
30/10/1998 - Previous known update (May have been some before this)
This site is online at tripod (The large images on many pages don't
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