HID Dive light

posted Sep 3rd 2006 3:30am by Will O'Brien
filed under: misc hacks

dive light

Dive gear has become so commercialized that DIY diving equipment is almost frowned upon. The dive light group that lives on msn is full of design ideas and how-to’s for building some custom dive gear. My favorite is the HID cannister dive light. The light head is made from a maglite flashlight. Either a HID lamp/ballast made for ATVs or a cheap MR16 halogen is used. The batteries are contained in a seperate waterproof cannister. (Yes, I love to dive. I’ll be building some of these as soon as I buy a mini-lathe.)

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Comments [6]

6 Responses to HID Dive light

Akyles says:

September 9, 2006 at 1:40 pm

Is that a penis pump hacked as a HID Dive light?

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pointless says:

September 9, 2006 at 9:29 pm

wirst fost poot??

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Rad says:

September 10, 2006 at 11:36 am

I thought about making one of these once, and had a better cheaper idea.

All that stops a regular flashlight from working underwater is that it either,
1. compresses due to the weight of the water.
2. water gets inside and shorts it out.

The whole reason they implode is because the water compresses the air inside. So… What if you fill a flashlight “Led because regular bulbs contain compressable gas.” with a liquid? One that wont compress or a gel that wont be pushed out by water. Then just make it water tight “or not if you use a thick jell.” and have at it. Obviously you’d need to use metals that wouldent rust, and a liquid that doesent conduct, Like distilled water, or vasaline or something.

Would’nt this work?
Why, or why not.

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Matt harlum says:

September 11, 2006 at 1:04 am

rad: umm… what?!

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DON says:

March 12, 2009 at 7:37 pm

Yes, it would work if done properly. It’s the practicality of it that keeps anyone from doing it.

Think about what it would be like to change the batteries…

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Erick Reents says: