Rolls-Royce engine testbed.
Fullsize image: https://diqn32j8nouaz.cloudfront.net...t_fullsize.jpg
https://diqn32j8nouaz.cloudfront.net...ed_largest.jpg
Previously:
https://www.homemadetools.net/forum/...513#post104455
https://www.homemadetools.net/forum/...976#post164430
https://www.homemadetools.net/forum/...744#post174870
https://www.homemadetools.net/forum/...233#post172744
https://www.homemadetools.net/forum/...536#post170187
https://www.homemadetools.net/forum/...619#post170478
