Hi Paul, what info do you need, to construct a cad model of a rotary
engine mount for a tango XR? In broad terms the firewall dimensions
are 42" wide x 26 3/8" at the widest points, the thrust line is
approximately 11" below the top of the firewall. More accurate thrust
line measurement to follow soon but11" is pretty close

Also I have been chatting to Milo with the RV8 FWF for sale, there's
obviously a lot of changes to make that fit, what we thought of doing
was superimposing the rv8 mount over the tango XR mount to get an idea
of what sticks out the cowling and would have to be moved, would you be
able to help with this?

Alex

The firewall dimensions. You can take a perpendicular picture of the firewall looking back at it and then tell me the max width. From that
I can scale the dimensions that I need.

Also i need the point on the firewall that represents the thrust line. A piece of tape will mark that point. This way I can do a cowl drawing to make sure everything fits. If you have a cowl we can use that. I need the lenght and the size of the spinner. If no cowl I suggest using an 18" spinner as the rotary engine is roughly round and that gives more room in the cowl.

Paul Lamar

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