Ruppert Archaeopteryx glider - GIF
Archaeopteryx glider built by the Swiss firm Ruppert Composite GmbH. The Archaeopteryx can be foot-launched, aerotowed, winch-towed, or bungee-launched.
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More:
https://www.ruppert-composite.ch/en/
Previously:
https://www.homemadetools.net/forum/...989#post125173
https://www.homemadetools.net/forum/...2886#post97437
