[PSUBS-MAILIST] (no subject)

Tue Mar 10 16:37:06 EDT 2020

 Brian, the end caps are soft rubber with a metal corrugated sleeve.  The idea is to keep the inside of the light the same pressure as the outside when at depth.  The water pressure squeezes the rubber witch in turn squeezes the oil inside the light.  I actually made a test chamber video of the light yesterday.  it will be posted soon, so then it should make sense.Hank
    On Tuesday, March 10, 2020, 12:09:30 PM MDT, Brian Cox via Personal_Submersibles <personal_submersibles at psubs.org> wrote:  

 Hank,                 You referred to your end caps on your light as "bellows" ,  do they flex some how?   seems like if it is totally oil filled there would be no real movement going on.
Brian

--- personal_submersibles at psubs.org wrote:

From: hank pronk via Personal_Submersibles <personal_submersibles at psubs.org>
To: Cliff Redus via Personal_Submersibles <personal_submersibles at psubs.org>
Subject: Re: [PSUBS-MAILIST] (no subject)
Date: Mon, 9 Mar 2020 22:01:47 +0000 (UTC)

 Cliff, Thanks'  yes I have a sounder on E3000 that is rated for 1,000 feet. I modified it as per Alan's idea sort of.  I epoxied the transducer to a heavy piece of fibreglass to add strength to the bottom of the transducer.  I took a transducer apart to see what makes them tick, there is a disk inside potted in hard rubber.  The bottom of the disk vibrates so the rubber is very thin under the disk.  The idea of the fibreglass sheet is to create a hard layer between the disk and the water.  Stay tuned on this idea.Hank
    On Monday, March 9, 2020, 2:31:52 PM MDT, Cliff Redus via Personal_Submersibles <personal_submersibles at psubs.org> wrote:  

  Nice job on LED light bar YouTube video.
OAS
Are you going to install a sounder for the E3000?  If yes,have you speced it?  If yes can you send spec?  
Best  
Cliff
    On Sunday, March 8, 2020, 10:21:02 AM CDT, hank pronk via Personal_Submersibles <personal_submersibles at psubs.org> wrote:  

 Jon. Thank you,  I don’t post where I source parts because I want people to engage by asking questions on YouTube.  Apparently that helps my channel.   If my channel goes anywhere I will start doing as you suggest. Hank

Sent from my iPhone

On Mar 7, 2020, at 8:37 PM, Jon Wallace via Personal_Submersibles <personal_submersibles at psubs.org> wrote:

 Great how-to video Hank.  Talking about how to build one is one-thing, but seeing a demo is so much better.  Can I make a suggestion, adding a parts list in the description area of your video.  I know you buy the light bar from Amazon but there are a zillion of them there, which one?  What size acrylic tube, where did you source it?
Jon

    On Saturday, March 7, 2020, 11:32:47 AM EST, hank pronk via Personal_Submersibles <personal_submersibles at psubs.org> wrote:  

                             15:13 Now playing Watch later Watch later Add to queue Add to queue                

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How To Make An Underwater Submarine LED Light Bar

In this video I am converting an everyday LED light bar into the deep diving, oil filled, underwater light bar t...
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