09-12-2021, 09:57 PM
This is a phoenix splash fed crank. The oil is squirted from two jets in the oil gallery into the two hollows which direct it through to the big end bearings
![[Image: BB45small.jpg]](https://www.a7c.co.uk/parts/BB45small.jpg)
This is a pressure fed crank (a three bearing one from a Nippy) - the hollows are covered over and the oil is fed through the crankshaft from the front of the engine.
![[Image: a7-engine1.jpg?w=1280&h=768&crop=1]](https://aus7in.files.wordpress.com/2017/08/a7-engine1.jpg?w=1280&h=768&crop=1)
Hope that helps.
![[Image: BB45small.jpg]](https://www.a7c.co.uk/parts/BB45small.jpg)
This is a pressure fed crank (a three bearing one from a Nippy) - the hollows are covered over and the oil is fed through the crankshaft from the front of the engine.
![[Image: a7-engine1.jpg?w=1280&h=768&crop=1]](https://aus7in.files.wordpress.com/2017/08/a7-engine1.jpg?w=1280&h=768&crop=1)
Hope that helps.