[PSUBS-MAILIST] gamma upgrades

[Vance Bradley via Personal_Submersibles]

I don't like nylon for a surface tether because it soaks water over time and gets negative and heavy. Quarter inch polypropylene is neutral and has a 1400# breaking strength. We always used it unless there was a lift to do ( like long base acoustic transponders with a 300# bottom weight, for instance).
Vance 

Sent from my iPhone

> On Sep 12, 2014, at 6:28 PM, hank pronk via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
> 
> 
> Vance, 
> Great idea, I am using 1/2 in yellow nylon rope that is buoyant and so far it is good but,,, the other day I hit a tree and dragged it.  When I was surfacing I noticed the buoy line was going down while I was going up.  That is why I attached it to the sample bag winch.  Clever yes? lol.
> Hank --------------------------------------------
> On Fri, 9/12/14, Vance Bradley via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
> 
> Subject: Re: [PSUBS-MAILIST] gamma upgrades
> To: "Personal Submersibles General Discussion" <personal_submersibles at psubs.org>
> Received: Friday, September 12, 2014, 6:23 PM
> 
> You can attach a trawl
> buoy to your surface line 6-10 feet above the sub to help
> keep the line away from your prop.
> Vance
> Sent from my iPhone
> 
> On Sep 12, 2014, at 6:13 PM, hank pronk via
> Personal_Submersibles <personal_submersibles at psubs.org>
> wrote:
>> 
>> Gamma has
> a modified scrubber that takes cartridges, I moved the fan
> inside the scrubber housing.  I mounted removable airtight
> caps on the intake and exhaust ports, now I can leave the
> cartridge inside the scrubber all the time.  I just remove
> the caps and turn on the scrubber.  I also added to my
> safety gear, I have a immersion suit in case I have to bail
> out in freezing water.  My diver below buoy and flag that I
> tow behind Gamma all the time is now detachable from
> inside.
>> Hank
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> 
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