Kamov KA-30 snowmobile.
https://diqn32j8nouaz.cloudfront.net...snowmobile.jpg
0:35 video:
https://www.youtube.com/watch?v=RS69otDJu58
Previously:
https://www.homemadetools.net/forum/...711#post123839
https://www.homemadetools.net/forum/...178#post126266
https://www.homemadetools.net/forum/...025#post145080
https://www.homemadetools.net/forum/...162#post126157
