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  #46  
Old 04-11-2011, 04:58 PM
ctc17 ctc17 is offline
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That was in my pre camera days. Its on my website. Heating the wire is not necessary if you let it sit in the sun and warm up for a bit.
http://boxcarcabin.com/halo.html
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  #47  
Old 04-11-2011, 07:03 PM
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Originally Posted by DaveWM View Post
I took out one of the pva chips (which had gotten hard again after being out of the water for a couple days) and have it soaking in some break fluid. I will try some straight vineagar later (have to make a run to the store for that) on another chip.
Also talk to your pharmacist - you'd be surprised what they can order, you may be able to get some acetic acid that's a little more potent than kitchen vinegar there. (either to use straight or dilute for less $ than kitchen stuff) You could also concentrate your own, since the boiling point of acetic acid is ~118°C, vs 100°C for water., so the water will evaporate before the acetic acid. (but stick around 50 and do it slow, or your house will still stink like vinegar!)
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  #48  
Old 04-11-2011, 07:53 PM
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Today, Cataract removal.

Tomorrow:

Last edited by Findm-Keepm; 09-29-2017 at 06:39 PM.
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  #49  
Old 04-11-2011, 07:58 PM
DaveWM DaveWM is offline
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Lol
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  #50  
Old 04-12-2011, 12:22 PM
DaveWM DaveWM is offline
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overnight in the brake fluid caused the hardened scrap piece of PVA to crumble very easy. Seems like it may be something to try, just not sure if the plactic pool would hold up to the brake fluid. In order to make the most of it, I think a custom made tank of some kind would be the way to go. Like a metal garbage can lid, so as not to have to use gallons of brake fluid.
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  #51  
Old 04-12-2011, 12:29 PM
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sampson159 sampson159 is offline
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i used brake fluid poured in the loose end of the safety glass.turn crt up and support neck so that the face as if it is in the set.pour fluid into opening and let it flow toward bottom.i did this once and it seemed to quicken the progress.a few wooden shims with slight tension created a river for it to flow.this was the next to last one i done.the last one was a heat method and although very fast,i got a little nervous about it.
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  #52  
Old 04-12-2011, 12:36 PM
DaveWM DaveWM is offline
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I would like to let it soak overnight in the brake fluid. maybe some packing tape around the perimeter of the CRT lens, could form up a dam, but I am sure the adhesive would fail quickly and it would then leak out.
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  #53  
Old 04-12-2011, 11:51 PM
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marty59 marty59 is offline
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Maybe the CRT would fit in a round galvanized tub like maybe something from a feed/farm store.
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  #54  
Old 04-13-2011, 12:07 AM
ctc17 ctc17 is offline
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Keep in mind you are going to have to clean up whatever solvent you use other than water. If you want the tape or silicone or whatever to stick you are going to have to remove all the brake fluid.
Best just to be patient and use water. Mine cleaned up so nice and the silicone is sticking so well.
Good things come to those who wait.
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  #55  
Old 04-13-2011, 01:06 AM
Electrohome Electrohome is offline
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The above post is spam which against VK rules-Please remove-Thanks
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  #56  
Old 04-13-2011, 03:40 PM
ctc17 ctc17 is offline
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The above post is spam which against VK rules-Please remove-Thanks
PM is being sent to mod as your last 5 posts were exactly the same. Your posts are spam.
Maybe a virus or someone got your password...I hope.
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  #57  
Old 04-13-2011, 08:22 PM
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Just hit the button, and mention spam- the mods will handle it.
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Evolution...
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  #58  
Old 04-16-2011, 12:09 PM
DaveWM DaveWM is offline
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checked it this am, there is a radial crack in the pva starting from the edge about 2" long, progress at at last... I will get some pics later. There is only one such crack, I would like to see a few more.
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  #59  
Old 04-29-2011, 10:32 AM
DaveWM DaveWM is offline
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had a nice new deep crack in the pva, I was able to pick out a chunk about
1" by 2".

it would be a nice sized piece to play chemistry on.

I will prob stick in in a pan of brake fluid, maybe a side by side comparison 1/2pan of brake fluid pan 1/2 pan of water.


Water does the trick you just need to be more patient than the owl on the tootsie pop commercial...
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  #60  
Old 04-29-2011, 02:17 PM
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bgk283 bgk283 is offline
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pva

I picked this up in January, let it soak in water for 2 months, today, nice and sunny in NY, put it out in the yard, the mask literally popped off in about an hour. Ive heard someone say that patience with these things is the key. cheers, Bruce
Attached Images
File Type: jpg 2011-4-28 21fjp22 delamination 002.jpg (86.4 KB, 64 views)
File Type: jpg 2011-4-28 21fjp22 delamination 003.jpg (64.7 KB, 58 views)
File Type: jpg 2011-4-28 21fjp22 delamination 004.jpg (113.1 KB, 60 views)
File Type: jpg 2011-4-28 21fjp22 delamination 005.jpg (99.1 KB, 60 views)
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