<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div></div><div>Great job!</div><div><br>On Feb 7, 2017, at 5:43 AM, Alan James via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>> wrote:<br><br></div><blockquote type="cite"><div><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px"><div id="yui_3_16_0_ym19_1_1486462886273_2408">Rick, Cliff & anyone else that's interested.</div><div id="yui_3_16_0_ym19_1_1486462886273_2407" dir="ltr">Attached is the latest version of my 80W LED light.</div><div id="yui_3_16_0_ym19_1_1486462886273_2596" dir="ltr">In one drawing it shows a larger diameter top retaining ring.</div><div id="yui_3_16_0_ym19_1_1486462886273_2611" dir="ltr">This is to enable mounting in to a recess. By using longer bolts the</div><div id="yui_3_16_0_ym19_1_1486462886273_2789" dir="ltr">light can be mounted on a plate at the back.</div><div id="yui_3_16_0_ym19_1_1486462886273_2658" dir="ltr">What I like about this design is I only have to do 2 small threads for screws</div><div id="yui_3_16_0_ym19_1_1486462886273_2651" dir="ltr">that hold in the LED. This will also help avoid bolts seizing in threads.</div><div id="yui_3_16_0_ym19_1_1486462886273_2796" dir="ltr"> I am machining a grooved protrusion in the base to key in the rubber compound</div><div id="yui_3_16_0_ym19_1_1486462886273_2843" dir="ltr">for sealing the wires. Inside the base I will be epoxying the wires.</div><div id="yui_3_16_0_ym19_1_1486462886273_2786" dir="ltr">I have gone to an acrylic lens that will be 10mm from the emitter. This is because</div><div id="yui_3_16_0_ym19_1_1486462886273_2787" dir="ltr">the small flip chip LEDs I am using are cooler out the front. I can back off the power</div><div id="yui_3_16_0_ym19_1_1486462886273_2785" dir="ltr">if 80W is too much for such a small unit.</div><div id="yui_3_16_0_ym19_1_1486462886273_2835" dir="ltr">These could be used as navigation lights with lower power. </div><div id="yui_3_16_0_ym19_1_1486462886273_2788" dir="ltr">It should be good for over 2000ft.</div><div id="yui_3_16_0_ym19_1_1486462886273_2842" dir="ltr">Alan</div><div id="yui_3_16_0_ym19_1_1486462886273_2671" dir="ltr"><br></div><div id="yui_3_16_0_ym19_1_1486462886273_2567" dir="ltr"><br></div><div id="yui_3_16_0_ym19_1_1486462886273_2457" dir="ltr"><br></div><div id="yui_3_16_0_ym19_1_1486462886273_2409" dir="ltr"><br></div></div></div></blockquote><blockquote type="cite"><div><Light 80W.jpg></div></blockquote><blockquote type="cite"><div><span>_______________________________________________</span><br><span>Personal_Submersibles mailing list</span><br><span><a href="mailto:Personal_Submersibles@psubs.org">Personal_Submersibles@psubs.org</a></span><br><span><a href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a></span><br></div></blockquote></body></html>