[PSUBS-MAILIST] sanded and polished windows

[brian]

Hank,    Did you use a motorized sander?
Brian
-----Original Message-----
From: "hank pronk" <hanker_20032000 at yahoo.ca>
Sent 1/11/2014 12:27:55 PM
To: "Personal Submersibles General Discussion" <personal_submersibles at psubs.org>
Subject: Re: [PSUBS-MAILIST] sanded and polished windowsHi Keith,On windows that were just lightly scratched, I sanded with 600 grit with water then 1500 grit.  It only took two sanding steps.  When there were deeper scratches, I wet sanded with 400 grit then 600, and finished with 1500 grit.  When I had to remove gouges that you would think impossible, I started with 220 grit and then 400 then 600 and finished with 1500 grit and always wet of coarse.  I polished with 3M 05937 compound in one step with a very smooth pad.  I started polishing with a more coarse compound  but found the fine stuff worked in one step.  I polished the windows in a fixture so they did not move around and I could flip the windows over quickly and often to avoid building up heat.  The windows
stayed cool with no trouble.  Hank On Saturday, January 11, 2014 1:11:15 PM, keith tollett <k6fee at yahoo.com> wrote:Hank,
What grit and method of sanding an polishing did you use on the windows? If you could do a quick tutorial,I at the very least, would
find it very helpful.
Thanks
Keith On Saturday, January 11, 2014 11:53 AM, hank pronk <hanker_20032000 at yahoo.ca> wrote:Today I sanded and polished the windows for Gamma.  I ended up doing it myself because my guy is busy.  It work out great and I am surprised how easy and fast it went.  I even managed to remove some gouges about .040 deep.The sub was painted yesterday and will be dive ready by the end of the week.  Hank
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