Re: ATM 6inch F4

[davebevel@mindspring.com]

Hi Art,

>The inevitable has finally happened. I've almost completed my first mirror,
>a 6 inch F4. I'd like to mount it in either an aluminum or fiberglass tube
>of about 7 inches internal diameter for final star-testing and figuring.
Can
>anyone recommend a source for a suitable aluminum or fiberglass tube of
>about 30 inches length?


I have a 8 inch tube of aluminum you are welcome to borrow
that is around 50 inches long.

Commercial sources on line for aluminum tubing.

http://www.texastowers.com/
http://www.hipco-ne.com/index.htm

Next you can use, at a very cheap price, concrete form tube that
can be purchased at Home Depot.
Next would be paper mailing tubes. Those can be bought on line as well.

http://www.yazoomills.com/mailingtubes.html

Try this site for phenolic tubing up to 7.5 inches.

http://www.giantleaprocketry.com/giantleaprocketry/


Happy figuring.

David H. Bevel
davebevel@mindspring.com
http://www.mindspring.com/~davebevel/index.html
Norcross, Ga.