tag:blogger.com,1999:blog-4601418021421874172011-10-25T07:22:52.808-07:00The Naked Engineerhttp://www.blogger.com/profile/01653208762117999921noreply@blogger.comBlogger31100tag:blogger.com,1999:blog-460141802142187417.post-54115699837686112532008-05-26T01:45:00.000-07:002008-05-26T02:06:25.467-07:00<a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://2.bp.blogspot.com/__haLmqgPF3k/SDp5dtcnAZI/AAAAAAAAAL8/yuQOKQl_znM/s1600-h/000_0584.JPG"><img style="margin: 0pt 0pt 10px 10px; float: right; cursor: pointer;" src="http://2.bp.blogspot.com/__haLmqgPF3k/SDp5dtcnAZI/AAAAAAAAAL8/yuQOKQl_znM/s200/000_0584.JPG" alt="" id="BLOGGER_PHOTO_ID_5204605870702789010" border="0" /></a>After the first CREE lamp melted the encasing and blew the lamp, It was time to get serious about the heat issue.<br />This new design employs a aluminum tube to both act as protection and a heat sink for the CREE lamp. Heat shrink holds the transparent plastic cover whilst providing a water shield.<div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/460141802142187417-5411569983768611253?l=thenakedengineer.blogspot.com' alt='' /></div>The Naked Engineerhttp://www.blogger.com/profile/01653208762117999921noreply@blogger.com0tag:blogger.com,1999:blog-460141802142187417.post-18366731806502712092008-05-08T23:40:00.001-07:002008-05-08T23:40:32.139-07:00<a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://2.bp.blogspot.com/__haLmqgPF3k/SCPvDqC6GEI/AAAAAAAAALc/J4FyaQw6OUg/s1600-h/Photo+10.jpg"><img style="margin: 0pt 0pt 10px 10px; float: right; cursor: pointer;" src="http://2.bp.blogspot.com/__haLmqgPF3k/SCPvDqC6GEI/AAAAAAAAALc/J4FyaQw6OUg/s200/Photo+10.jpg" alt="" id="BLOGGER_PHOTO_ID_5198261241020815426" border="0" /></a>The first test of the CREE Helmet Bike Light, failed within 5 min.<br />I should have known better, 4.8 Watts gets hot!<br /><br />A plastic bottle is such a clever idea now.<div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/460141802142187417-1836673180650271209?l=thenakedengineer.blogspot.com' alt='' /></div>The Naked Engineerhttp://www.blogger.com/profile/01653208762117999921noreply@blogger.com0tag:blogger.com,1999:blog-460141802142187417.post-67974237444326646722008-05-08T02:56:00.000-07:002008-05-08T15:11:00.827-07:00<a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://2.bp.blogspot.com/__haLmqgPF3k/SCLPsABNYPI/AAAAAAAAALM/cIP6jqpQo4o/s1600-h/Photo+6.jpg"><img style="margin: 0pt 0pt 10px 10px; float: right; cursor: pointer;" src="http://2.bp.blogspot.com/__haLmqgPF3k/SCLPsABNYPI/AAAAAAAAALM/cIP6jqpQo4o/s200/Photo+6.jpg" alt="" id="BLOGGER_PHOTO_ID_5197945274765238514" border="0" /></a>Seeing is believing, believing a bike light could be this small yet be so bright and last so long.<br /><br />Held in this photo, is a USB chargeable battery holder. 4 AA 2400 mAh nickel metal hydride batteries.<br /><br />Although not yet fully tested, I'll show you in this blog how the testing goes and to make your own.<div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/460141802142187417-6797423744432664672?l=thenakedengineer.blogspot.com' alt='' /></div>The Naked Engineerhttp://www.blogger.com/profile/01653208762117999921noreply@blogger.com2