ORIGINAL: ol_seabee
A square type mount with 4 legs at the corners is very stable and that is what I see all the top of the line motors use
4 mounts square to the cylinder(s)
Are you sure about that?
Depends on what the definition of "top of the line" is I guess
[link]http://www.aircraftinternational.com/Catalog/Motors/3W28i.aspx[/link]
RPool
As a Professional Engineer (Chartered). I totally agree with you.