collegefurtrader@discuss.tchncs.deM to

Skookum@discuss.tchncs.deEnglish · 3 years ago

Toroidal propellers!

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10

Toroidal propellers!

collegefurtrader@discuss.tchncs.deM to

Skookum@discuss.tchncs.deEnglish · 3 years ago

0

https://www.youtube.com/watch?v=93ZYL0GYw6E&feature=youtu.be

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