Spectrum Beaver
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The Spectrum Beaver is a family of single- and two-place, pusher configuration, high-wing ultralight aircraft that were designed by Larry Croome and first introduced by Spectrum Aircraft of Surrey, British Columbia, Canada, in 1983.
Spectrum Beaver
ASAP Beaver SS at the Canadian Aviation Expo
Spectrum Beaver RX 550 at Chestermere (Kirkby Field) Airport
Spectrum Beaver RX 550 with home-built enclosure at the COPA Convention in Wetaskiwin, Alberta
Rotax 503
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The Rotax 503 is a 37 kW (50 hp), inline 2-cylinder, two-stroke aircraft engine, built by BRP-Rotax GmbH & Co. KG of Austria for use in ultralight aircraft.
Rotax 503
A Rotax 503 mounted on a Flightstar II ultralight
The prototype Blue Yonder Twin Engine EZ Flyer is powered by two 503s in pusher configuration
Air Creation Racer ultralight trike with Rotax 503 mounted up-right. Below the muffler is the smaller after-muffler.