First, let me add my thanks and congratulations on this excellent how-to!
I also have an observation and a question:
- As to the weight issue, aluminum tubing is almost as rigid as solid aluminum, but lighter because it is hollow. Both are much lighter than steel rod or all-thread. I learned from several fiberglass car body part projects that what's inside the epoxy need not be that strong by themselves - fabricators often use such materials as paper rope and cardboard tubes - because it's the structure, not the material that is important. If you think about it, the stiffness of a fiberglass panel is created by very thin threads of glass (structured by being woven together)! As a result, I'd expect something as light as drinking straws to work well.
- For my shopping list, how many ounces (total) of the 5-minute epoxy is needed to complete the whole job?
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