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My belly shield does, in fact, use the rivets that attach the ribs to the bottom skin. I used rivets slightly longer than the ones called for by the plans, in order to get the proper diameter/height on the shop head.
Keep in mind, that 1) my belly shield is not the full length of the bottom skin, only the first 18 inches or so, 2) the Fiberfrax crushes a little at the point of attachment, leaving very little thickness at the rivet lines and 3) the SS sheet would add a bit of tensile capacity to the bottom skin. It would probably have been better to use separate/extra rivets to secure the SS sheet/FF to the belly (I thought of that for my firewall), but, for my small belly shield, I didn't do it that way. |
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Do you have any pictures of what that looks like? Jeff |
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Thanks! That's what I'm looking for.
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If it was me, I'd want to be sure the underlying skin was carefully prepared and corrosion proofed before riveting a plate on. Once you install it inspection will become impossible, and there is a good chances of moisture getting in between the 2 skins and with the dissimilar metals it could be a problem down the road. It would be more work but maybe worthwhile if you're building to use screw/nutplates to intall the sandwich.
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Another one
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If I remember used 0.005" SS ![]() |
Stupid question, what's the purpose here?
I can only think it is to insulate from the heat of the exhaust. |
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