Re: ATM pitch mold, opinions needed

["c f" <quantemlp@hotmail.com>]

hello,

Im gona break down and buy the mold.  it is 26 bucks, and the person lives 
close so I will pick it up personally.  This is my first mirror and i have 
never made a lap.  From what I have read, lap making is the number one 
reason atm people go insane LOL LOL LOL LOL.  and with young children 
around, it would be best if I kept my "curses to the lap" at a minimum.  so 
instead of doing all the presses, and cuts, and everything, Im gona get the 
mold, and just make it that way.  heat, pour, cool, polish.
sanity kept in check.    The ideas, and advice I have recieved from both, my 
emails and from others that I have read is awsome.  It is nice to belong to 
a great group who are willing to help out others!

thanks to all

charles in wilmington
www.geocities.com/quantemlp

]
>
>
>I didn't get any zonal aberrations.  No holes, no flat
>spots.  I got the turned-out horn of a hyperbola
>averaging -1.7 through the whole figure.  I guess I
>overparabolized from the start, using a parabolizing
>stroke when I started polishing.
>
>From now on, I start with a spherizing stroke and then
>parabolize.
>
>Kevin
>
>--- Bob May <bobmay@nethere.com> wrote:
> >
> > Another way to play that game!  Now we will be
> > having people cast dollops of
> > pitch and pour them onto the tool and heat them up.
> > That is a neat idea for making the lap tho and it
> > probably helps a lot
> > making the grooves random which will help decrease
> > the zoning of a mirror
> > surface.
> > Bob May
> > http://nav.to/bobmay
> > bobmay@nethere.com
> > NEW! http://bobmay.astronomy.net
> >
> >
> >
>
>
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