[PSUBS-MAILIST] Euronaut's new lights

Alan via Personal_Submersibles personal_submersibles at psubs.org
Tue Mar 1 10:59:57 EST 2016


Brian,
the little LEDs don't need a driver but the more high powered
ones do. You can run the high powered ones for a very short
time & I often hook them up without a driver for a couple of 
seconds to check that they are going. However they need a 
constant current driver because as they heat up they will draw
more & more current till they burn themselves out.
Alan

Sent from my iPad

> On 2/03/2016, at 4:31 am, Brian Cox via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
> 
> Alan,  I've seen LEDs that simply have two wires going to them, what is the difference with the ones with a controller?
>  
> Brian
> 
> --- personal_submersibles at psubs.org wrote:
> 
> From: Alan James via Personal_Submersibles <personal_submersibles at psubs.org>
> To: Personal Submersibles General Discussion <personal_submersibles at psubs.org>
> Subject: Re: [PSUBS-MAILIST] Euronaut's new lights
> Date: Mon, 29 Feb 2016 19:58:56 +0000 (UTC)
> 
> Brian,
> I was just going to use my wide angled flood lights (oil compensated) on a lower power & with
> a red & green acrylic lense. I will be having the LED controller inside the hull.
> Alan
> 
> 
> From: Brian Cox via Personal_Submersibles <personal_submersibles at psubs.org>
> To: Personal Submersibles General Discussion <personal_submersibles at psubs.org> 
> Sent: Tuesday, March 1, 2016 8:29 AM
> Subject: Re: [PSUBS-MAILIST] Euronaut's new lights
> 
> I wonder what is so great about them?     I was thinking of drilling out some acrylic and potting LEDs inside for navigation lights.
>  
> Brian
> 
> --- personal_submersibles at psubs.org wrote:
> 
> From: Alec Smyth via Personal_Submersibles <personal_submersibles at psubs.org>
> To: Personal Submersibles General Discussion <personal_submersibles at psubs.org>
> Subject: Re: [PSUBS-MAILIST] Euronaut's new lights
> Date: Mon, 29 Feb 2016 14:08:22 -0500
> 
> Looked them up, and OUCH. About USD400 each. Carsten wasn't kidding.
> 
> Best,
> 
> Alec
> 
> On Mon, Feb 29, 2016 at 1:38 PM, MerlinSub at t-online.de via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
> they are called Lopolight. But wait one season for our results after diving..
>  
> http://www.lopolight.com/
>  
> They are very expensive too..
>  
>  
>  
>  
> -----Original-Nachricht-----
> Betreff: [PSUBS-MAILIST] Euronaut's new lights
> Datum: 2016-02-29T08:42:49+0100
> Von: "Brian Cox via Personal_Submersibles" <personal_submersibles at psubs.org>
> An: "PSubs" <personal_submersibles at psubs.org>
>  
>  
>  
> Carsten,        Are those new navigation lights something that you guys made?   or adapted from some existing lights?
>  
> Brian Cox
> 
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