[PSUBS-MAILIST] LED Lights

[Alec Smyth via Personal_Submersibles]

Hi Cliff,

Why not an option unless potted? Scott and I are both using the very light
Jon posted, oil filled, and they're doing great. They even come with the
filler screw.


Best,

Alec

On Thu, Jul 23, 2015 at 10:18 AM, Clifford Redus via Personal_Submersibles <
personal_submersibles at psubs.org> wrote:

> Jon, thanks for setting up the forum.  I am assuming we can post files as
> well.
>
>  I agree low cost is important but having a functioning light is as well.
> OTS LED utility lights like that one you noted are not an option unless
> they can be potted.  To me the best way to keep the cost low, is to publish
> construction drawings of a 1-atm  DIY housing that a psubber could machine
> or have machined by a friend, and publish a design of a PCB that could be
> easily fabricated using  one of the PCB online sites like  ExperessPCB
> www.expresspcb.com and DIY populate the board.  As a group, we design and
> build a prototype that I can test in my shop. If it works as designed, then
> we post to the psubs site a report, that includes the design drawings,
> circuit diagram, parts list and test results.
>
> Getting a consciences on the design spec is the first step.
>
> Cliff
>
> On Wed, Jul 22, 2015 at 10:11 PM, Jon Wallace via Personal_Submersibles <
> personal_submersibles at psubs.org> wrote:
>
>>
>> My three words of advice...cost, cost, cost.
>>
>> One measure of a success for this project will be how many people
>> actually build/use it.  If it costs more to manufacture than just
>> purchasing something like
>> http://www.surpluscenter.com/Electrical/Lights/DC-Mobile-Equipment-Lights/12-24-VDC-3120-LUMEN-16-LED-UTILITY-FLOOD-LIGHT-12-999-B.axd
>> off the shelf then it's real world application by psubbers may be limited.
>>
>> Over-spec'ing the design above requirements for typical recreational
>> operations (ie 10,000 psi capability) is likely going to drive up the
>> cost.  Also, let's remember that "cheap", "low cost", and "good price" are
>> relative terms for a diverse group like PSUBS so include realistic
>> estimates of parts and manufacturing especially if tooling is required.
>>
>> Jon
>>
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>
>
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