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Hi Andy.
Thanks for the info on your potted LED's. Do your
led's require mineral oil to fill in some kind of voids and for
cooling?
Or did you just pot them right into the acrylic
covering both the two connection wires going into the led's and did you
pot
the led bulb part itself so it was completely
encased in the acrylic?
Bill.
----- Original Message -----
Sent: Thursday, October 20, 2005 2:04
PM
Subject: Re: Re: [PSUBS-MAILIST] Interior
low level lighting
I have potted led in 2 part acrylic for a friends salt water
wave tank.
by the way led's are a current driven device you can run them
off line voltage with the correct resistor.
Andy
From: "Brian
Cox" <ojaivalleybeefarm@dslextreme.com>
Date:
2005/10/20 Thu AM 08:56:38 CDT
To: <personal_submersibles@psubs.org>
Subject:
Re: [PSUBS-MAILIST] Interior low level
lighting
Bill,
I have a friend who is making exterior LED's for underwater
illumination
using mineral oil to fill the voids and also as a coolent
to cool the LED's
that produce too much heat ( when the LED's are pushed
with too much
voltage they heat up).
Brian
----- Original Message -----
From: Akins
To: personal_submersibles@psubs.org
Sent: Thursday, October 20, 2005 03:00
Subject: Re: [PSUBS-MAILIST]
Interior low level lighting
I wonder if LED's could be
rigged for submergence on the dash of my
wetsub? I like John's idea for
insuring seeing his switches in total
darkness.
In the murky
water that would be a definate benifit for me in the
wetsub. Being able to
see the led light next to my switches would aid in
making
sure
I used the correct ones when in extremely low viz
situations. Of
course in that viz case, it would be time to terminate the
dive due to
low viz, but DURING
the dive before it was
terminated for low viz, it could be a real
help. Any
ideas?
Bill.
----- Original
Message -----
From: Rick and
Marcia
To: personal_submersibles@psubs.org
Sent: Wednesday, October 19, 2005 11:59 PM
Subject: Re:
[PSUBS-MAILIST] Interior low level lighting
Interesting thread. I think I'll be sure to bring my forehead
mounted
trilight: It has red LED's for preserving night vision. A
little off
the cuff but this thread got me thinking.
Rick
Lucertini
Vancouver
-----
Original Message -----
Subject: Re: [PSUBS-MAILIST]
Interior low level lighting
>
Ray,
>
> I am planning on
using LED lighting throughout my sub's interior.
You can purchase ones that
are very powerful but only draw very little
current. And because LED's are
tough as nails there is little or no
chance of them getting damaged or
burning out from vibration, getting
wet or such.
>
> There are super bright LED's now that produce
16K candle power,
run on only 3.4 V and draw about 200 mA a piece. I've
already built a
separate little regulated power supply to run them for my
project.
>
> Also, I am
planning to have all of my switches and gauges LED lit
to insure that I can
see them in total darkness.
>
> John
>
> -----Original
Message-----
> From: Ray Keefer <psubs2001@yahoo.com>
> Sent: Oct 19, 2005 1:33 PM
> To: personal_submersibles@psubs.org
> Subject: Re: [PSUBS-MAILIST] U505 gets historically
correct
paint.
>
> Hi
Bill,
>
> The bit about
"phosphorescent coat" got me thinking.
>
> Critical knobs and switches in our PSUB'S
could
> benifit from such a coating. I found out
during my
> submersible pilot training it can get
unexpectedly
> dark. Surprising how dark it gets
driving into muck
> stirred off the bottom. Even at
only 15 feet down!
>
>
Regards,
> Ray
>
>
>
>
>
>
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