[PSUBS-MAILIST] Lights

Tue May 13 16:15:02 EDT 2014

Here's a picture of the oil compensated Nereus lights. (attached bottom of page)
They have plastic elbows running out of the light housing with the wire
runs in oil filled plastic tubing.
Alan

________________________________
 From: via Personal_Submersibles <personal_submersibles at psubs.org>
To: hank pronk via Personal_Submersibles <personal_submersibles at psubs.org> 
Sent: Wednesday, May 14, 2014 7:59 AM
Subject: Re: [PSUBS-MAILIST] Lights

Very cool. I never thought about oil compensating a light.
Thanks,
Scott Waters 

-------- Original Message --------
>Subject: Re: [PSUBS-MAILIST] Lights
>From: hank pronk via Personal_Submersibles
><personal_submersibles at psubs.org>
>Date: Tue, May 13, 2014 12:58 pm
>To: Personal Submersibles General Discussion
><personal_submersibles at psubs.org>
>
>
>When I was at Nuytco, I held a light for the DW subs, it is a bunch of led's in a square housing with a rubber membrane on the back filled with oil. A simple box with an acrylic lens, very simple.
>Hank--------------------------------------------
>On Tue, 5/13/14, Alec Smyth via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
>
>Subject: Re: [PSUBS-MAILIST] Lights
>To: "Personal Submersibles General Discussion" <personal_submersibles at psubs.org>
>Received: Tuesday, May 13, 2014, 11:08 AM
>
>I think they might corrode,
>but there's an easy way to find out. Its so fast, if
>they do corrode you will find out pretty quickly. Mine
>sprouted white stuff all over them, they looked a bit like
>the barnacles on whales after just hours.
>
>:(
>Alec
>
>On Tue, May 13, 2014 at
>9:34 AM, James Frankland via Personal_Submersibles <personal_submersibles at psubs.org>
>wrote:
>
>hmm.  Got me worried now
>Alec.    
> 
>I have a mains feed into my lights (via a blue
>globe).  I just soldered the live to the Centre spring and
>the return to what appears to be the body.  Do you think
>ive got a leak here.  I suspect so.
>http://www.guernseysubmarine.com/Extended_files/Page24089.htm
> 
>The only saving grace is perhaps they are insulated as
>there is a rubber pad in between the mounting bracket and
>the light.  
>http://www.guernseysubmarine.com/Extended_files/Page24944.htm
> 
>What do you think?
>Regards
>James
>
>
>On 13 May 2014 14:02,
>Alec Smyth via Personal_Submersibles <personal_submersibles at psubs.org>
>wrote:
>
>
>
>
>I used Trustfire lights for a season on
>Snoopy but the experience was all around bad. I bought two,
>one of which did not work due to a faulty connection at the
>endcap (which acts like a switch). The factory shipped me a
>new end-cap that fixed the problem. In fresh water they
>worked well, but when I went to Islamorada last year they
>lasted less than a day in the salt water. After just hours,
>one stopped working altogether and both lights were very
>visibly corroded. Silly me, I hadn't thought this
>through. The Trustfire lights close the circuit when you
>screw in the endcap on the handle. They use the light body
>itself as a conductor, like a car uses its chassis. I think
>the issue is that if you put two such lights in salt water,
>you will get stray currents between them.  
>
>
>On next week's dive I'll be testing new lights,
>which are LED flood lights intended for tractors or off road
>vehicles. I've been really impressed with how solid
>these are. They are wired with two cables, rather than using
>the light body as a ground. Second, they have a little screw
>that serves no visible purpose, but which when removed
>allows you to fill them with mineral oil. It took a while to
>get the last bubbles out, but with patience you can fill
>these with oil and remove all bubbles in about an hour. The
>front plastic has a little give to absorb the compression if
>I have any bubbles left, but I think I have none. To fill
>them I used a syringe with a "dispenser needle"
>which is a blunt syringe needle you use for filling things
>rather than giving someone an injection. The lights are
>IP67, so supposedly water-tight, but my only mod was to
>reinforce the cable gland with some epoxy. We shall see how
>they work, but my hopes are up, I think these might finally
>be the ideal sub lights and can be used virtually off the
>shelf. I recommend not buying them until Snoopy returns from
>next week's dive, but here is the link if you want to
>take a look in the meantime.
>
>
>
>
>http://www.surpluscenter.com/Electrical/Lights/DC-Mobile-Equipment-Lights/12-24-VDC-3120-LUMEN-16-LED-UTILITY-FLOOD-LIGHT-12-999-B.axd
>
>
>
>
>
>
>Best,
>
>Alec
>    
>
>
>
>
>
>On Tue, May 13, 2014 at
>7:56 AM, swaters via Personal_Submersibles <personal_submersibles at psubs.org>
>wrote:
>
>
>
>
>
>Thanks Alan,
>I have been searching too for some kind of easy and
>cheap solution.
>
>Thanks,
>Scott Waters
>
>
>
>
>
>
>
>
>
>Sent from my U.S.
>Cellular© Smartphone
>
>
>Alan James via Personal_Submersibles <personal_submersibles at psubs.org>
>wrote:
>
>
>
>
>
>Hi James,
>I
>bought 4 dive lights off deal extreme, but not a trustfire.
>This was in addition
>
>
>to
>4 x 900 lumen torches I had bought previously.
>
>
>To
>date I have found them unreliable, mainly in the switching
>function. Most of them
>
>
>have
>3 to 5 modes, which only complicates things. I have been
>doing searches for
>
>
>12V
>torches or flood lights, to make things easy. My latest
>posting of  a link to a 12V flood light was 
>
>
>the
>best I've found so far ($20-). 
>
>
>
>
>http://www.dx.com/p/ip67-waterproof-10w-700lm-6500k-white-light-led-spotlight-underwater-lamp-silver-216504#.U2rDL_mSxLY
>
>
>
>
>There
>is room in it to put multiple high powered leds & it
>looks
>
>
>  like
>the thread in the back is compatible with a 12mm Blue Globe
>cable gland. There 
>are
>a multitude of reflectors on the Deal extreme site to choose
>from.
>
>
>There
>is also space  at the front to put in an oring
>grove.
>
>
>I'm
>sure we could come up with some good cheap underwater
>lighting options under $100-
>
>
>Alan 
>
>
>
>
>
>
>
>From: James Frankland
>via Personal_Submersibles <personal_submersibles at psubs.org>
>
>
>To: Personal
>Submersibles General Discussion <personal_submersibles at psubs.org>
>
>Sent: Monday, May 12,
>2014 10:06 PM
>
>
>Subject: Re:
>[PSUBS-MAILIST] Lights
>
>
>
>
>
>Hi Scott,
> 
>I just bought a some trustfire diving lights (there was
>a discussion on them a while ago).  Drilled and tapped a
>hole in the base, screwed in a blue globe gland and they
>were good to go.  Very easy to make and they are super
>bright.
>
>
>Regards
>James
>
>
>On 9 May 2014 20:18, swaters via Personal_Submersibles
><personal_submersibles at psubs.org>
>wrote:
>
>
>
>
>
>
>Thanks Emile!
>-Scott Waters
>
>
>
>
>
>
>
>
>
>
>Sent from my U.S.
>Cellular© Smartphone
>
>
>Emile van Essen via Personal_Submersibles <personal_submersibles at psubs.org>
>wrote:
>
>
>Scott,
> 
>Attached the drawing how I made my lamps. It is
>open source now..
> 
>I purchased the glass and reflectors from a
>German webshop .
>http://shop.dev-pein.de/Selbstbau/Glaeser/
>
>
> 
>Regards,
>Emile
> 
>
>
>
>
>Van:
>Personal_Submersibles [mailto:personal_submersibles-bounces at psubs.org]
>Namens via
>Personal_Submersibles
>
>
>Verzonden:
>donderdag 8 mei 2014 1:06
>Aan: Personal
>Submersibles General Discussion
>Onderwerp: Re:
>[PSUBS-MAILIST] Lights
>
>
> 
>
>Thanks
>Emile,
>
> 
>
>I
>have a lathe. Do you have any designs for light housings?
>Thank for the link. I may go that route if I can't get
>my housings to stop
>leaking.
>
>
>
> 
>
>Thanks,
>
>Scott
>Waters 
>
> 
>
>
>--------
>Original Message --------
>Subject: Re:
>[PSUBS-MAILIST] Lights
>From: Emile van Essen
>via Personal_Submersibles
>
>
><personal_submersibles at psubs.org>
>Date: Wed, May 07, 2014 11:24 am
>
>
>To: "'Personal Submersibles General
>Discussion'"
><personal_submersibles at psubs.org>
>
>
>
>
>Scott,
>
>
>
>
> 
>
>
>
>I made lamp housings for a while. But now I
>think it is better to purchase lampheads for technical scuba
>diving.
>
>
>
>http://www.gralmarine.com/#!mainlightseng/cyrv
>
>
>
>
> If you own a small lathe you can make them
>yourself.
>
>
>
> 
>
>
>
>Regards, Emile
>
>
>
> 
>
>
>
>
>
>
>
>Van:
>Personal_Submersibles [mailto:personal_submersibles-bounces at psubs.org]
>Namens swaters
>via Personal_Submersibles
>
>
>Verzonden:
>dinsdag 6 mei 2014 22:10
>Aan: personal_submersibles at psubs.org
>
>
>Onderwerp:
>[PSUBS-MAILIST] Lights
>
>
>
> 
>
>
>
>
>Does anyone
>have a source for underwater pressure rated "can"
>lights or light housings?
>
>
>
>
>
>Mine took
>on some water during the test. Amount of light was great,
>just need better housings.
>
>
>
>
>Thanks,
>
>
>
>
>Scott
>Waters
>
>
>
>
> 
>
>
>
>
> 
>
>
>
>
> 
>
>
>
>
> 
>
>
>
>
>
>Sent from
>my U.S. Cellular©
>Smartphone
>
>
>
>
>
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