[ATM] Updated my website - casting a large light weight mirror.

[Thomas Janstrom]

Hi All,

Yep the blank is out of the kiln, it looks quite good, not perfect by any
means, but well within the "useable range".

I'm currently cleaning the back structure prior to doing a strain test so I
will post a major update over the weekend once I get the last of the mold
material removed; thank <insert deity here> for 400psi water blasters!

Cheers, Thomas. 

-----Original Message-----
From: atm-bounces at atmlist.net [mailto:atm-bounces at atmlist.net] On Behalf Of
ATM_Wes
Sent: Thursday, 13 December 2007 1:57 PM
To: 'ATM'
Subject: Re: [ATM] Updated my website - casting a large light weight mirror.

So how is the second attempt going?

WES

-----Original Message-----
From: atm-bounces at atmlist.net [mailto:atm-bounces at atmlist.net] On Behalf Of
Thomas Janstrom
Sent: Tuesday, November 13, 2007 12:46 AM
To: 'ATM'; atm_free at yahoogroups.com
Subject: [ATM] Updated my website - casting a large light weight mirror.

Hi All,

 

All the talk about light weight mirrors got me to get off my arse and put up
the pictures I've been meaning to put up for a couple of hours now. So thank
you.

 

Basically I'm casting a 16" cellular mirror blank 2.5" thick with the face
plate being about 13mm (1/2") thick, I say about as it's contoured to be
able to take an F3 curve and have a near uniform final thickness.

 

Pictures and a brief description can be had here:
http://tjanstrom.com/tomsastropage.htm just click on the link to my glass
casting catch all (below the "new" tag) and you'll find it towards the
bottom of that page.

 

Cheers, Thomas.

 

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