<div dir="ltr">Hi Dan,<div>Yes I know as I went through the trouble of sending all the view ports to Greg back east to anneal while he was working with a plastics company so realized that that would have to be done once again. Does anyone know of anyone who might do that?</div><div><br></div><div>Rick</div></div><br><div class="gmail_quote gmail_quote_container"><div dir="ltr" class="gmail_attr">On Tue, Dec 10, 2024 at 3:46 AM Daniel Lance via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="auto">Rick,<div dir="auto">After you get your acrylic viewport lense machined down to the proper diameter , it's very important to have it put in a temperature controlled oven and anneal the stresses induced during the machining process. Preferably by someone experienced in doing this type of work. ( not in your kitchen oven )</div><div dir="auto">Dan</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Mon, Dec 9, 2024, 10:18 PM Rick Patton via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org" target="_blank">personal_submersibles@psubs.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><br>
Sent from my iPhone<br>
I got a real surprise yesterday, I went to fit my large viewport in front on my K-350 and it wouldn’t slide inside the receiver that I had machined for it. They made it about 1/4” too small!<br>
I should have double checked it before welding it into the front head but didn’t. <br>
I had the viewports cut in California and is to speck, 15”. Kitteredge called out using gasket but a lot of you I believe used Silaflex that comes out of a tube.<br>
I found someone who can chuck up something that is 16” in diameter so will have him turn it down 1/4” or so, so it will fit in the receptacle but I need enough of a gap on the edges for the Sikaflex to ooze out. <br>
Your thoughts? <br>
Rick<br>
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