Thundergull 2000 ultralight aircraft from Earthstar Aircraft powered by single cylinder Hirth aircraft engine.

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Thundergull 2000 powered by Hirth aircraft engine.

Mark Beierle was on hand with his Thunder Gull 2000 sporting a new engine installation.  The Gull 2000 is Earth Stars legal single place ultralight kit plane. It features a 4130 chromoly steel fuselage, mated to an aluminum wing and tail section. `

At Sun N Fun Mark was using MZ 34, 27 hp single cylinder engine, which he said "gave good fuel economy, had a wide power band, with good performance - BUT had a lot of vibration." Since Sun N Fun he has installed a Hirth F 33 and a three blade Power Fin prop.

"This combination flies the Gull 2000 quite well, with very little vibration." Mark has about 35 hours on the engine, belt drive, and prop combination and indicates the unit performs very similar to the Rotax 277, "but a lot smoother, with phenomenal  fuel economy, the Gull 2000 can fly along at cruise with as little as 3800 rpm."

For more information contact:

Earthstar Aircraft
Star Route 313, Santa Margarita,
CA 93453

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