<div dir="ltr">Cool concept, thanks for sharing Alan. I'll have to look into one of those, I like the simplest way of doing things! ~ Douglas S. </div><div class="gmail_extra"><br><div class="gmail_quote">On Mon, Feb 8, 2016 at 6:15 PM, Alan James via Personal_Submersibles <span dir="ltr"><<a href="mailto:personal_submersibles@psubs.org" target="_blank">personal_submersibles@psubs.org</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div style="color:#000;background-color:#fff;font-family:HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif;font-size:16px"><div>I posted this on the 7th but didn't see it.</div><div dir="ltr">Apologies if you already received it.</div><div dir="ltr">Anyone looked at or used these.</div><div dir="ltr">They record speed.</div><div dir="ltr"><a rel="nofollow" href="http://www.knotstick.com/" style="color:rgb(25,106,212);background-color:rgb(255,255,255)" target="_blank">http://www.knotstick.com/</a><br></div><div>They look like they could be mounted by a side view port</div><div dir="ltr">to show speed. I had to google images of them to see how they were</div><div dir="ltr">constructed. It's a disk on a string that drags through the water. It is attached </div><div dir="ltr">to a stainless spring in a cylinder & as the spring is extended it pushes a white sleeve</div><div dir="ltr">along a calibration marked on the cylinder to indicate speed.</div><span class="HOEnZb"><font color="#888888"><div dir="ltr">Alan</div></font></span></div></div><br>_______________________________________________<br>
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