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>I'm interested in some better lights. I've seen the Dive-Rite catalog, but >I've got some motocycle battery sized gel cells and a bunch of 3/4" lexan I can >build housings out of. Anybody have any experience with using or building this >kind of lighting system, with batteries located separately from the lights >themselves? If you have access to a lathe, it's straightforward to produce well-engineered lamp heads. If you don't, then it's possible to use the shell of an existing light. For switches, rotary switches with O-rings on the shaft work well, but need careful engineering. Other obvious possibilities are reed switches and the rubber boots for toggle switches (probably need some extra sealing). > What kind of bulbs do you use? I'm rechargeable, but I want more than >an hour of burn, so I'm thinking of only 40 watts or so. Still, if you know of >big sealed beam headlights that can take pressure, I'm interested. Mainly use 50mm diameter dichroics --- you can get these in a range of beam angles and wattages (and voltages to a lesser extent). > I want to mount the lights on a helmet, I think, better to look into >my buddy's eyes. Not sure about back or belly mounting the battery. Anyone >ever try clipping a small knapsack or fanny pack on the front of your bc like >a kangaroo? In open water I slide a battery pack on my BC waistbelt --- out of water it seems like it's going to be a pain, but I don't notice it in the water. Neal Dr. Neal Harman Department of Computer Science University College of Swansea Singleton Park Swansea SA2 8PP TEL: +44 792 295394 FAX: +44 792 295708
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