[TowerTalk] Clarification: Cutting slots in aluminum tubing

[Jeff Stai WK6I]

At 04:47 PM 7/19/2004, Steve London wrote:
>....
>I was a little surprised at that response.  I have done this before, and
>have not been particularly happy with the results.  It seems that all the
>antenna manufactures actually remove ~0.1" of aluminum from the slot, so
>that the hose clamp cinches down better.  W6NL also talks about this in
>Section 4.5 of his book, and even has a formula for the minimum slit width.

this may be a little overkill, but this is a way of getting a slot in a larger diameter:

http://www.jcrocket.com/finslots.shtml

this method is for cutting slots in tubes for rocket fins. Hope it helps a little.

- jeff wk6i


--
Jeff Stai               jds at twistedoak.com
Twisted Oak Winery      http://www.twistedoak.com/