Jerry,
You may have discovered this already but the only center to center
distance you can use for the Kis MM rubber bushings is 25 inches because
of the tilt in the Kis firewall hard points top to bottom.
This assumes you are using the P51 type beam mount as shown in this
drawing. This keeps the P51 beam all in the same plane. Required
for structural reasons. I just discovered this myself. Interesting.
If the fire wall hard points were vertically aligned top to bottom any

Schertz

beam width could be used with a P51 type beam mount.

I could be wrong about this but it is a little tricky to lay out.
In any event this will work as shown.

The lower beam in the right hand sketch has been rotated into the vertical
position to calculate the true length of all the tubes.

It should fit in the cowl but I will know more about that tomorrow.

Paul Lamar\

At first glance at least - it looks like this is deficient in side stiffness
Vance

Stay tuned. I added the lateral braces.

Paul Lamar
 
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