Two aircraft that fall under the old LSA category, one powered by a Rotax 916is, and the other powered by a Rotax 912is, are ...
Designed and built to European ultralight standards, the Risen 915SV lands in the experimental category in the U.S.
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This is what happens when pistons and rotaries make babies - birotary engine explained and reviewed
Today, we explore the Birotary Engine, a unique creation that merges the features of piston and rotary engines. This video ...
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