[PSUBS-MAILIST] Q-Sub

Cliff Redus via Personal_Submersibles personal_submersibles at psubs.org
Thu Aug 22 09:59:26 EDT 2019


 Even a better link Q-Subs – Revolutionary Submarines
Cliff


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Q-Subs – Revolutionary Submarines


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    On Wednesday, August 21, 2019, 06:39:01 PM CDT, Hugh Fulton via Personal_Submersibles <personal_submersibles at psubs.org> wrote:  
 
 
Cliff,

You are so organised and think of everything.

I need you down here to push me along and organise things and add your take on what needs to be changed.  Finally starting again on the batteries BMS.  Years are passing me by.  Cheers, Hugh 

  

From: Personal_Submersibles [mailto:personal_submersibles-bounces at psubs.org] On Behalf Of Cliff Redus via Personal_Submersibles
Sent: Thursday, 22 August 2019 7:58 AM
To: T Novak via Personal_Submersibles
Subject: Re: [PSUBS-MAILIST] weights

  

On the R300 we also carry a bathroom scale and try to measure operator at time of dive.  On touchscreen, operator enters this weight. The PLC calculates the ballast needed and adjust the longitudinal position of a 100 lb trim weight hydraulically so that when the boat is flooded , the boat will be approximately trim.  This is necessary as pilot is forward of the boat CG.  I have ballast weights that are color coded and are designed to sit at the longitudinal CG of the boat.  Data logger records the operator weight.  Predive checklist checks that ballast has been added.

  

Cliff

  

On Wednesday, August 21, 2019, 12:22:09 PM CDT, T Novak via Personal_Submersibles <personal_submersibles at psubs.org> wrote: 

  

  

>From my weight and balance experience flying Air Cadets we always weigh the individuals as they stand all up, including any backpacks, cameras, and water bottles.  Most people only have a vague idea how much they weigh, and the reality is that their weight changes daily, throughout the day, and depending on what they are wearing and carrying. During the PLRP I noticed that Nuytco had a bathroom scale on the crane barge and the DW2000 pilots were weighed each time they got into the sub. External weights were then added or removed as necessary.

 

From: Personal_Submersibles [mailto:personal_submersibles-bounces at psubs.org] On Behalf Of hank pronk via Personal_Submersibles
Sent: Wednesday, August 21, 2019 7:11 AM
To: Personal Submersibles General Discussion <personal_submersibles at psubs.org>
Subject: [PSUBS-MAILIST] weights

 

Hi All,

When David and I were swapping out passengers in Gamma, the weights were getting off.  It is difficult to make quick weight changes.  David and I both came to the conclusion that a weight chart is in order with well marked weights.  So when your passenger is ready, just look up their weight on the chart and cross reference the required weight in the sub. 

Hank

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