RE: [ATM] Turned Down Edge

["Richard Klappal" <klappal@xnet.com>]

I suspect that the most common cause of 'turned-down-edge' is
'left-behind-edge'. Most people protect themselves from wobbling over the
edge and rounding it that they never touch it, and just dig a hole inside.

Rich


-----Original Message-----
From: atm-bounces@atmlist.net [mailto:atm-bounces@atmlist.net]On Behalf
Of Michael Lindner
Sent: Tuesday, 13 July, 2004 20:21
To: Jonathan Bishop; The Amateur Telescope Makers List
Subject: Re: [ATM] Turned Down Edge


On Tuesday 13 July 2004 11:56 am, Jonathan Bishop wrote:
> You can experiment with sub diameter lap. This is usually done with TOT.
If
> you stay away from the edge you will never produce a turned down edge this
> way.

Oh yeah! I can produce TDE lots of ways! :-)

If you never touch the edge, but deepen the center, you are, in effect,
turning the edge (without touching it).

--
Michael Lindner
http://www.starastronomy.org *** http://home.att.net/~mikel
http://www.atmsite.org *** http://www.atmlist.net

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