On Tue, 15 Nov 2016 10:26:23 +0000
Mike Tomlinson wrote:

Fantastic model of a 9-cylinder radial engine, shown operating.

Part 1: https://www.youtube.com/watch?v=qjnQKXNPsk4

Part 2: https://www.youtube.com/watch?v=R71Xhrkc3EQ


I prefer the Rotary:

https://www.youtube.com/watch?v=0jHRuEkvO8E

--
Davey.