<html><body><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_1_1437519882705_2926"><span>Hi Ken,</span></div><div dir="ltr" id="yui_3_16_0_1_1437519882705_2927"><span id="yui_3_16_0_1_1437519882705_3032">a few thoughts once you have settled on the </span></div><div dir="ltr" id="yui_3_16_0_1_1437519882705_2927"><span>electronics are.....</span></div><div dir="ltr" id="yui_3_16_0_1_1437519882705_2927"><span id="yui_3_16_0_1_1437519882705_2979">Do we want a hard anodized aluminium housing?</span></div><div dir="ltr" id="yui_3_16_0_1_1437519882705_2928"><span id="yui_3_16_0_1_1437519882705_3031">Do we want the housing oil filled?</span></div><div dir="ltr" id="yui_3_16_0_1_1437519882705_2928"><span id="yui_3_16_0_1_1437519882705_3058">What sealing configuration do we want?</span></div><div dir="ltr" id="yui_3_16_0_1_1437519882705_2929"><span id="yui_3_16_0_1_1437519882705_2982">What beam angle do we want?</span></div><div dir="ltr" id="yui_3_16_0_1_1437519882705_2980"><span>What sort of reflector?</span></div><div dir="ltr" id="yui_3_16_0_1_1437519882705_2980"><span>What sort of lense?</span></div><div dir="ltr" id="yui_3_16_0_1_1437519882705_2980">How are we going to seal the cable coming in to the housing?</div><div dir="ltr" id="yui_3_16_0_1_1437519882705_2980"> Some of these answers may be dictated by what is available off</div><div dir="ltr" id="yui_3_16_0_1_1437519882705_2980">the shelf at a reasonable price.</div><div dir="ltr" id="yui_3_16_0_1_1437519882705_2980">Cheers Alan</div><div dir="ltr" id="yui_3_16_0_1_1437519882705_2980"><br></div><br> <div style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px;" id="yui_3_16_0_1_1437519882705_3321"> <div style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px;" id="yui_3_16_0_1_1437519882705_3320"> <div dir="ltr" id="yui_3_16_0_1_1437519882705_3319"> <hr size="1" id="yui_3_16_0_1_1437519882705_3318"> <font size="2" face="Arial" id="yui_3_16_0_1_1437519882705_3322"> <b><span style="font-weight:bold;">From:</span></b> Ken Martindale via Personal_Submersibles <personal_submersibles@psubs.org><br> <b><span style="font-weight: bold;">To:</span></b> 'Personal Submersibles General Discussion' <personal_submersibles@psubs.org> <br> <b><span style="font-weight: bold;">Sent:</span></b> Wednesday, July 22, 2015 5:16 AM<br> <b><span style="font-weight: bold;">Subject:</span></b> Re: [PSUBS-MAILIST] LED Lights<br> </font> </div> <div class="y_msg_container" id="yui_3_16_0_1_1437519882705_3326"><br><div id="yiv1691125988"><style>#yiv1691125988 #yiv1691125988 --
_filtered #yiv1691125988 {font-family:Helvetica;panose-1:2 11 6 4 2 2 2 2 2 4;}
_filtered #yiv1691125988 {panose-1:2 4 5 3 5 4 6 3 2 4;}
_filtered #yiv1691125988 {font-family:Calibri;panose-1:2 15 5 2 2 2 4 3 2 4;}
#yiv1691125988
#yiv1691125988 p.yiv1691125988MsoNormal, #yiv1691125988 li.yiv1691125988MsoNormal, #yiv1691125988 div.yiv1691125988MsoNormal
{margin:0in;margin-bottom:.0001pt;font-size:12.0pt;}
#yiv1691125988 a:link, #yiv1691125988 span.yiv1691125988MsoHyperlink
{color:blue;text-decoration:underline;}
#yiv1691125988 a:visited, #yiv1691125988 span.yiv1691125988MsoHyperlinkFollowed
{color:purple;text-decoration:underline;}
#yiv1691125988 span.yiv1691125988EmailStyle17
{color:#1F497D;}
#yiv1691125988 .yiv1691125988MsoChpDefault
{}
_filtered #yiv1691125988 {margin:1.0in 1.0in 1.0in 1.0in;}
#yiv1691125988 div.yiv1691125988WordSection1
{}
#yiv1691125988 </style><div id="yui_3_16_0_1_1437519882705_3330"><div class="yiv1691125988WordSection1" id="yui_3_16_0_1_1437519882705_3329"><div class="yiv1691125988MsoNormal" id="yui_3_16_0_1_1437519882705_3328"><span style="font-size:11.0pt;" id="yui_3_16_0_1_1437519882705_3327">The electronics and custom PWB won’t be the issue. Figuring out what we want may be the biggest problem.</span></div><div class="yiv1691125988MsoNormal"><span style="font-size:11.0pt;"> </span></div><div class="yiv1691125988MsoNormal" id="yui_3_16_0_1_1437519882705_3331"><span style="font-size:11.0pt;">Ken</span></div><div class="yiv1691125988MsoNormal" id="yui_3_16_0_1_1437519882705_3332"><span style="font-size:11.0pt;"> </span></div><div class="qtdSeparateBR"><br><br></div><div class="yiv1691125988yqt3661985164" id="yiv1691125988yqt02492"><div class="yiv1691125988MsoNormal" id="yui_3_16_0_1_1437519882705_3335"><b id="yui_3_16_0_1_1437519882705_3334"><span style="font-size:11.0pt;" id="yui_3_16_0_1_1437519882705_3333">From:</span></b><span style="font-size:11.0pt;" id="yui_3_16_0_1_1437519882705_3337"> Personal_Submersibles [mailto:personal_submersibles-bounces@psubs.org] <b>On Behalf Of </b>Clifford Redus via Personal_Submersibles<br clear="none"><b id="yui_3_16_0_1_1437519882705_3336">Sent:</b> Thursday, July 16, 2015 3:52 PM<br clear="none"><b id="yui_3_16_0_1_1437519882705_3338">To:</b> Personal Submersibles General Discussion<br clear="none"><b id="yui_3_16_0_1_1437519882705_3339">Subject:</b> Re: [PSUBS-MAILIST] LED Lights</span></div><div class="yiv1691125988MsoNormal"> </div><div class="yiv1691125988MsoNormal">Alan, we have a lot of collective experience we could use on the project. I really love the fact that Ken is an EE with experience LED drivers. After we agree on specs and packaging I am sure he can design a custom PCB for the electronics. Having just gone through the exercise of designing a 1-arm housing, I don't think it will be difficult to design the housing.<br clear="none"><br clear="none">Cliff<br clear="none">On Thursday, July 16, 2015, Alan James via Personal_Submersibles <<a rel="nofollow" shape="rect" ymailto="mailto:personal_submersibles@psubs.org" target="_blank" href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>> wrote:</div><blockquote style="border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-right:0in;"><div><div><div><div class="yiv1691125988MsoNormal" style="background:white;"><span style="">Cliff,</span></div></div><div><div class="yiv1691125988MsoNormal" style="background:white;"><span style="">I'm on board with the LED light project.</span></div></div><div><div class="yiv1691125988MsoNormal" style="background:white;"><span style="">Have done a bit of experimentation & bought about 10 different LED</span></div></div><div><div class="yiv1691125988MsoNormal" style="background:white;"><span style="">flashlights, underwater flashlights, flood lights & various lenses.</span></div></div><div><div class="yiv1691125988MsoNormal" style="background:white;"><span style="">I also have a friend whose working involves running banks of LED</span></div></div><div><div class="yiv1691125988MsoNormal" style="background:white;"><span style="">lights on advertising hordings, if we get stuck on the technical side.</span></div></div><div><div class="yiv1691125988MsoNormal" style="background:white;"><span style="">Alan</span></div></div><div class="yiv1691125988MsoNormal" style="background:white;"><span style=""> </span></div><div><div><div><div align="center" class="yiv1691125988MsoNormal" style="text-align:center;background:white;"><span style=""></span><hr align="center" size="1" width="100%"></div><div class="yiv1691125988MsoNormal" style="background:white;"><b><span style="font-size:10.0pt;">From:</span></b><span style="font-size:10.0pt;"> Clifford Redus via Personal_Submersibles <<a rel="nofollow" shape="rect" href="">personal_submersibles@psubs.org</a>><br clear="none"><b>To:</b> Personal Submersibles General Discussion <<a rel="nofollow" shape="rect" href="">personal_submersibles@psubs.org</a>> <br clear="none"><b>Sent:</b> Friday, July 17, 2015 2:15 AM<br clear="none"><b>Subject:</b> Re: [PSUBS-MAILIST] LED Lights</span><span style=""></span></div></div><div><div class="yiv1691125988MsoNormal" style="background:white;"><span style=""> </span></div><div><div><div><div class="yiv1691125988MsoNormal" style="background:white;"><span style="">Ken, I have been off the list for some time due to work and due to my email service not passing through psub emails. I had to go to a gmail email account to get back in the loop.</span></div></div><div><div class="yiv1691125988MsoNormal" style="background:white;"><span style=""> </span></div></div><div><div class="yiv1691125988MsoNormal" style="background:white;"><span style="">I am in on your suggestion to build LED psub light based on the Bridgelux Varo 29 (BXRC-50C 10K0-L-24) . I can help on the housing design and I have access to a machine shop to fabricate the housing. I also have test chamber we can use to qualify the prototype. Maybe we could pick one of the DeepSea Power and light LEDs take its specifications and tweak to fit a typical psubs application. </span></div></div><div><div class="yiv1691125988MsoNormal" style="background:white;"><span style=""> </span></div></div><div><div class="yiv1691125988MsoNormal" style="background:white;"><span style="">We would probably need to set up something like Dropbox location, accessible to all that want to participate in the design, fabrication and testing to keep from swamping the PSUB list.</span></div></div><div><div class="yiv1691125988MsoNormal" style="background:white;"><span style=""> </span></div></div><div><div class="yiv1691125988MsoNormal" style="background:white;"><span style="">I have a function LED subsea light that works fine but would like more lumens. It is a 5000 lumen light but would like a 10,000 lumen light.</span></div></div><div><div class="yiv1691125988MsoNormal" style="background:white;"><span style=""> </span></div></div><div><div class="yiv1691125988MsoNormal" style="background:white;"><span style="">My suggestion is for you take the point since you came up with idea. Maybe we could canvas the site and see would be interested in working on the project as a first step. Given your background in EE, maybe you could come up with a first pass at the specification and we can comment on it.</span></div></div><div><div class="yiv1691125988MsoNormal" style="background:white;"><span style=""> </span></div></div><div><div class="yiv1691125988MsoNormal" style="background:white;"><span style="">Cliff</span></div></div><div><div class="yiv1691125988MsoNormal" style="background:white;"><span style=""> </span></div></div><div><div class="yiv1691125988MsoNormal" style="background:white;"><span style=""> </span></div></div><div><div class="yiv1691125988MsoNormal" style="background:white;"><span style=""> </span></div></div><div><div class="yiv1691125988MsoNormal" style="background:white;"><span style=""> </span></div></div><div><div class="yiv1691125988MsoNormal" style="background:white;"><span style=""> </span></div></div></div></div><div class="yiv1691125988MsoNormal" style="margin-bottom:12.0pt;background:white;"><span style=""><br clear="none">_______________________________________________<br clear="none">Personal_Submersibles mailing list<br clear="none"><a rel="nofollow" shape="rect" href="">Personal_Submersibles@psubs.org</a><br clear="none"><a rel="nofollow" shape="rect" target="_blank" href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a><br clear="none"><br clear="none"></span></div></div></div></div></div></div></blockquote></div></div></div></div><br><div class="yqt3661985164" id="yqt72127">_______________________________________________<br clear="none">Personal_Submersibles mailing list<br clear="none"><a shape="rect" ymailto="mailto:Personal_Submersibles@psubs.org" href="mailto:Personal_Submersibles@psubs.org">Personal_Submersibles@psubs.org</a><br clear="none"><a shape="rect" href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles" target="_blank">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a><br clear="none"></div><br><br></div> </div> </div> </div></body></html>