Re: 7` LONG TUBE FOR 8" MIRRO

Bob Madden (madden@netcom.com)
Sat, 6 May 1995 09:57:21 -0700 (PDT)

Mike, why not place a doubler of 1/4-inch (how many mm is that?) on the out side of the tube? Either aluminum or plywood will work. It is just easy to glue/epoxy to your 2 mm tube. I wish there were inexpensive clasps that are adjustible.

Bob

):-{])) <---- madden@netcom.com madden@svpal.org Remember amateur astronomers: "keep looking for the next Universe"

On Sat, 6 May 1995, Mike Abercrombie wrote:

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> I plan to connect these two halves with "chest latches" (similar to
> the latches found on the metal eyepiece cases from Orion). I am
> concerned about the strength of the 2mm wood when the stress of the
> latches is placed on it!
>
> My thought is to compensate by making a 1/8" aluminum collar to fit
> around the ends of both halves. I'll position the collar on the upper
> tube section so that 1" overhangs the end leaving 2" of material to
> attach to the plywood with glue and bolts with a thin sheet of
> aluminum on the inside of the tube to act as a backing.
>
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