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Old 07-30-2023, 09:57 AM   #1
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1990 34' Excella
Goodeve , SK
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Replacing Entire Bellypan, What to Use?

Hi there, I'm restoring a 1990 Excella.

Could someone confirm/deny that this will work for my bellypan? It's AS052 5052-H32 Aluminum Sheet 0.032in. Or does anyone have recommendations for what to use.

https://millenniumalloys.ca/product/...ize=Full+Sheet
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Old 07-30-2023, 10:46 AM   #2
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Iím sure others will offer their opinions. 5052 H32 is a popular choice. It is strong, good corrosion resistance and has great workability. I think itís a good choice for the belly pan. Use the old belly pan as a pattern if itís useable. Good luck
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Old 07-30-2023, 10:57 AM   #3
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1973 21' Globetrotter
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5052 will work fine. I think I used 6061 T6, and it was really tough to bend to make the wraps along the sides. I used 5052 for the interior and was easier to work (plus it was cheaper then the 6061).

good luck
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Old 07-30-2023, 12:42 PM   #4
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1990 34' Excella
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Thank you! Relieved this step isn't going to entirely break the bank (for a change haha).
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Old 07-30-2023, 02:16 PM   #5
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Good information, I need to replace my belly pan at some point.
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Old 07-30-2023, 05:16 PM   #6
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One piece belly pan

I went to a semi trailer manufacturer (I believe it was Utility) to purchase my aluminum for my belly pan. I myself didn't care what kind of aluminum it was. Good enough for semi trailer roofs, good enough for a belly pan. I got it all in a roll and installed it as one piece. Still looks great after 15+ years. No sagging, rips or cracks. I did my belly pan by myself but for that large of a trailer you might want some help.
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Old 07-30-2023, 05:55 PM   #7
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So, I'm getting a lot of miles logged, and imo, if I were replacing the belly sheet, I'd go with some thicker material. Every year I find the sheet has worn completely through the rivet heads from "flapping in the breeze"
I keep patching in an 1"square "buffer" plate when replacing the large head rivets. Click image for larger version

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Old 07-30-2023, 06:10 PM   #8
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I used .040 5052-H32. It's my opinion that the thicker is easier to use than the .032. I installed it in multiple sections because it's easier, especially for access to tanks, valves etc. My pans are installed with aircraft nutplates so removal and installing the pans only takes a few minutes. But aircraft structures is my background so I'm not the norm.
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