Bristol Hercules double-row radial engine cutaway.
Fullsize image: https://s3-us-west-1.amazonaws.com/h...y_fullsize.jpg
https://s3-us-west-1.amazonaws.com/h...es_cutaway.jpg
Previously:
https://www.homemadetools.net/forum/...992#post168156
https://www.homemadetools.net/forum/...047#post164668
https://www.homemadetools.net/forum/...529#post142982
https://www.homemadetools.net/forum/...772#post133168
https://www.homemadetools.net/forum/...387#post150781
https://www.homemadetools.net/forum/...006#post129749
