engine mount design

[schaumr]

Hello all,
I am in the process of designing the engine mount for my rebel/corvair engine
combination. I am using the MAM prescribed bolt hole locations on the
firewall, and currently building a wood jig a-la-EAA for the fitting and welding
tasks.

I have the document (from the plans) that describes the position of the O-
235 on the rebel which provides the thrust line and the position of the prop
hub for this engine. However, the corvair could weigh about 20-50 lbs less
than a O-235, so I would really like to be able to calculate exactly where the
engine needs to be from the firewall.

Does anyone know if there are more detailed data/calculations for the rebel
that I can use to calculate appropriate CG placement of my engine?

Thanks
Rob
Rebel 786 / Connencticut



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