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Now I am thinking that bonding in the bulkheads with Hysol may not be a good
idea.... Brent S.

Brent, That pressure bulkhead is the only way into the back of the airplane if you ever need to do any serious work in the gearbox area. Admittedly this is not a common occurrence, and you'll probably sell the plane before ever attempting this a second time (it appears to be kinda like operating on your lower body through your mouth!). If you have to do this, you could cut out the pressure bulkhead and replace it to work in the area, but for future maintainability, in addition to the reasons you are already considering, I'd go to the extra trouble to bolt it in. My 2 cents...

Bob Pastusek

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