[PSUBS-MAILIST] Pressure Test

[Alan via Personal_Submersibles]

Thanks David,
I get 7000 lumens. Have a dimmer control for it but
haven't tried it yet.
Alan

Sent from my iPad

> On 27/06/2017, at 3:08 AM, David Colombo via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
> 
> Hi Alan, Looks great!, what Lumens did you get with this design?
> 
> 
> Best Regards,
> David Colombo
> 
> 804 College Ave
> Santa Rosa, CA. 95404
> (707) 536-1424
> www.SeaQuestor.com
> 
> 
>> On Mon, Jun 26, 2017 at 4:48 AM, hank pronk via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
>> Alan,
>> That really turned out nice, how did you mould the polyurethane? that stuff sticks like mad. 
>> I would leave the white gasket, it looks fine.  Either the gasket thickness is not even or the seat is not perfectly matched to the Lenz.
>> 
>> 
>> On Sunday, June 25, 2017 10:30 PM, Alan via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
>> 
>> 
>> Pressure tested my light to 1000 psi for an hour using the water blaster 
>> & no leaks! I didn't have a pressure relief valve in the system as I do with
>> my air pressure set up & it was a pain getting the chamber lid off. I had
>> thought the water blaster would have leaked a bit of pressure but it didn't.
>> The sealing system for the wires was a 3 layered process; encapsulating the
>> wires in the epoxy, then coating the insulation for an inch up from where they came 
>> out of  the epoxy, & over the epoxy with a 2 part heat activated pvc glue that 
>> they use on inflatable boats. This glue worked a lot better on the pvc insulation
>> than several others I tried like E61000 (supposed to be better than shoe goo),
>> 3M 5200 & polyurethane.
>> Over this, to tidy it up & act as a cable support, I moulded polyurethane.
>> In the attached photos the white ptfe gasket that the lens sits on looks wet
>> but it is just the compression of the lens against the gasket. I don't like this
>> from a cosmetic point & may change it. The 2 objects with the light are the
>> male mould for the polyurethane cable support & the silicone mould for the 
>> same.
>> Alan
>> 
>> 
>> 
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