Re: Top rebuild process
The problem with just taking the very top part off is you will not gain access to parts that need preservation. The rear support arch on the double wall will need attention. Mine had cracks and years of corrosion to repair. Taking the whole outer skin off in halves is time consuming but it works.
I used carbon fiber honeycomb panels that I had scrounged from Boeing surplus years ago to become the inner spacer and support. They were just the right thickness. I also used an epoxy called West Systems for joining the halves back together. West Systems is used in aircraft and racing boat applications. You can get it online.
Jeff
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