[PSUBS-MAILIST] LED recommendations

Tue Aug 29 18:41:16 EDT 2017

Cliff, Hank,
Looks a nice small unit & has temperature control.
   We are hearing a lot about the rain in Texas! You getting
any bad weather where you are?
   Had previously asked advice on Psubs re finishing O- ring grooves etc.
on the lathe with sand paper. Went & bought 4 paint stirring sticks & ground 
them to the profile I wanted, then glued sandpaper to them with a hot glue gun.
Works well!  I use a paint stripping gun to heat the glue to replace the 
sandpaper. Wonder if anyone else does this! 
   Hank, sounds like you had quite an eventful day! At least it passed the 
pressure test. Thanks for the video of the buoy! I would have been trolling
for trout while I waited. With that quick transition from shore to 500ft there
must be some great underwater terrain to explore.
Alan

Sent from my iPad

> On 30/08/2017, at 8:40 AM, via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
> 
> I am not planning on using a dimmer and the base led driver is small enough to shrink the overall enclosure.  Plus it lets me run on either the 24v bus or the 36v.
> 
> Cliff
> 
> 
> Cliff Redus
> 
>> On Aug 29, 2017, at 3:04 PM, Alan via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
>> 
>> Cliff,
>> they are expensive, US $65- with the dimmer.
>> The nano dimmer manual is in German, but their other dimmer's
>> english manual said it required a 3.3-5V input.
>> The dimmer is small, but if you put this in the light housing too
>> then you are going to need additional wires for the 5V input & the
>> 3 wires for the dimming pot. If you put this in your sub then you
>> may as well put the buck driver in the sub!
>> I spent a lot of time looking for an off the shelf item; very frustrating!
>> Alan
>> 
>> Sent from my iPad
>> 
>>> On 30/08/2017, at 5:32 AM, Cliff Redus via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
>>> 
>>> Emile, I need to buy two of these LED drivers.  Web site is only in German.  Do you know if PCB Components has a distributer in the US?
>>> 
>>> Best Regards
>>> 
>>> Cliff
>>> 
>>>> On Mon, Aug 28, 2017 at 3:07 AM, emile via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
>>>> Hi Jon,
>>>> 
>>>> The Pilotfish team and me  developed a UW LED lamp. Since the Norway expedition on my sub. So happy with it that I like to recommend it.
>>>> It is a Bridgelux Vero 29 unit with 80 Watt (abt. 300 watt Halogen) Wide (90-100 deg) angle but that is okay for a sub. Housing is can go down to 800 M and has a 80 mm OD.
>>>> Dimmable, I don’t run it at full power.
>>>> LED driver 6-40 VDC : https://pcb-components.de/led-aufwaertswandler-boost-step-up/led-senser-xtreme-200-2050ma-6v-30v-detail.html
>>>> 
>>>> 
>>>> Br, Emile
>>>> 
>>>> -----Oorspronkelijk bericht-----
>>>> Van: Personal_Submersibles [mailto:personal_submersibles-bounces at psubs.org] Namens Jon Wallace via Personal_Submersibles
>>>> Verzonden: maandag 28 augustus 2017 4:29
>>>> Aan: Personal Submersibles General Discussion
>>>> Onderwerp: [PSUBS-MAILIST] LED recommendations
>>>> 
>>>> 
>>>> While we're in the middle of an LED investigation, can those of you actively diving with LED lighting give us a guideline on a range of lumens we should be striving for (per lamp), how many lamps, spot or flood?
>>>> 
>>>> I know Alec was using an oil-filled 3000 lumen lamp on SNOOPY before selling it.  I've been looking at PRIMELUX 8100 lumen lamp that seems like it could be easily adapted for oil or air compensation.  Generally I would say more light is better but also need to be careful about power consumption so I don't want to purchase more light than is necessary for general operations.
>>>> 
>>>> Jon
>>>> 
>>>> 
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>>>> 
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