Subject: Firewall material
From: AAA-rotaryeng
Date: 3/6/2013, 8:26 PM
To: AAA-rotaryeng




What is recommended best practice for the firewall on a rotary, will 0.16 inch thick 301 stainless with fiberfrax be ok.
Is this combination good enough to buy time in case of accidental exhaust fracture or something along those lines

Alex


You must mean .16 mm Alex. .16 inch would buy infinity :)
It would also weigh about 30 pounds.

.016 or .020 inch SS is mostly used.

Check out the bottom of the RENL web site front page. Some of the parts are
coming in for the motor mount.

Paul Lamar


Sorry, typo, i meant to say 0.016"  The 0.16" would probably have solved the aft C of G issue though :-)

I'll stick with 0.016" stainless then,

Alex

What sort of metal working tools does Team Tango have?
Is there a tig welder person near by?
We need to mod the nose gear mount.


Paul Lamar

Not much metalworking at TT, they have a lathe, drill press, bandsaw and a tiny bending brake. For any tig welding we
can get it done in Gainesville by the guy who does the rest of TT's work that they don't do in-house,

Alex

When the time comes we can remove the soob from the motor mount
and take the mount into gainesille so he can weld the nose gear brace tubes.
I will fab the necessary brackets and bring them with me.

You should also start thinking about the oil pan. I have a guy
out here that can do a good job on an oil pan with rear motor mount
welded on.

Paul Lamar

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