[PSUBS-MAILIST] LED lights

[Alan via Personal_Submersibles]

Here is the $2- alternative. ( see photos)
You can run LEDs straight off a power source as long as it is
in the right range & below a certain voltage.
This led is rated 32-36V. It starts to light up dimly at 24V & is bright
enough at 30V. Also keeps a lot cooler running it at a lower voltage.
In the two pictures I have this an 80W led running in the kitchen sink off a 
32V bench top power supply. You can see quite a bit of electrolysis
happening with it shorting through the water.
No heat sink is needed in water but they wouldn't last long running out of it.
If you coated the terminals & metal backing plate with resin it may stop 
the electrolysis & corrosion. I have pressure tested these emitters as are to
1000 psi.
Alan 


 

> On 17/06/2019, at 11:56 AM, hank pronk via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
> 
> Jon,
> My circuit board just slid out of the housing and I slid it into a 2 inch ID tube.  I can run of 12 or 24 or 36 and I run off 24 and 240 W
> Hank
> 
> On Sunday, June 16, 2019, 5:19:53 PM MDT, Jon Wallace via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
> 
> 
> Hank,
> 
> Another question for you, how many amps are you pulling with your LED light bar?  How many volts are you driving it with?
> 
> Jon
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