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Re: [PSUBS-MAILIST] Reverse Thruster Wiring Options



LOL.  I've seen truckers with window shades that look like Homer is driving the truck. We got to find those that will fit our view ports. :)

  --Doug


-----Original Message-----
From: Brent Hartwig <brenthartwig@hotmail.com>
To: personal_submersibles@psubs.org
Sent: Fri, 29 Aug 2008 5:45 pm
Subject: RE: [PSUBS-MAILIST] Reverse Thruster Wiring Options

Your killing me again Doug, ;)'

I love the "Oh Shit" button idea.      Can I have two, one being voice activated, key word being "Dohh" ?  ;)'

Your front opening braking flaps concept would open very quickly, which is what's needed.



Your resident possibility thinker ;)'

Szybowski



To: personal_submersibles@psubs.org
Subject: Re: [PSUBS-MAILIST] Reverse Thruster Wiring Options
Date: Fri, 29 Aug 2008 18:29:10 -0400
From: djackson99@aol.com

I got that!  I call it my "Oh Shit" button.  It's on the bottom left of my control box. 

http://www.submarineboat.com/images/submarine/control_box1.JPG

Push it and both thrusters switch to reverse and the dual pot on the top sets how hard they push in reverse, so in normal conditions it will be cranked to full. 

I have not read most of this thread but if I wanted water brakes, I think I would hinge panels on my hull that closed forward depressing a spring and then latch them with a pin that is connected to an electric solenoid.  Push the button, the solenoids pull the pins and the brakes spring out and the open fully with the force of the water. A cable would stop them once they were fully out. 

My plan is just to go no faster that I can see to stop.  Just like surface boats should do.  Maybe
bikini freighters should have solenoid released aft anchors or drogue chutes with an button marked "Oh Shit" on the wheel.  :)

Have A Nice Day.
Doug
www.submarineboat.com


-----Original Message-----
From: Brent Hartwig <brenthartwig@hotmail.com>
To: personal_submersibles@psubs.org
Sent: Fri, 29 Aug 2008 4:51 pm
Subject: [PSUBS-MAILIST] Reverse Thruster Wiring Options

Hello Joe,

It ac cured to me that, if there was two foot brakes that control braking flaps, or an emergency brake lever to operate those flaps, it could be wired in so that when both foot peddles are engaged for deploying the braking flaps, and/or the emergency brake flaps lever is pulled, that it would automatically reverse the thruster props. 

Along this same idea, one could have no braking flaps on a sub at all, and have one foot brake peddle or lever that when engaged will send all the thruster props into reverse.


Your resident possibility thinker ;)'

Regards,

Szybowski



From: joeperkel@hotmail.com
To: personal_submersibles@psubs.org
Subject: RE: [PSUBS-MAILIST] Stopping Flaps
Date: Fri, 29 Aug 2008 10:06:09 +0000

In all the time that I was contemplating NR-2, this is precisely what I had envisioned. Minnkota has a dial control that I was looking at.

Operationally, the first order of business was going to be target acquisition on the Interphase screen by the pilot, with a visual confirmation or "tally ho" by the co-pilot via a forward cam or port. Then the pilot switches to visual navigation, just like flying an approach on instruments. Basically, the whole idea being to avoid the "oops" in the first place.

Joe


From: ShellyDalg@aol.com
Date: Fri, 29 Aug 2008 02:27:38 -0400
Subject: Re: [PSUBS-MAILIST] Stopping Flaps
To: personal_submersibles@psubs.org

I tend to agree with you on that Ian. Better to pump up the motors than devise a whole separate system for slowing the sub. A full reverse using maximum thrust from all your motors would be easier to incorporate, cut down on reaction time, and have the added benefit of being available for a quick burst of thrust in forward as well. My motors (4) have 101 pounds thrust each. In reverse, that's probably a lot less, but still, almost like throwing out an anchor! No separate complicated system, just slam the controls back and hope you have enough room to stop. There again, it doesn't make sense to travel faster than what your sub can handle in a stop mode. Frank D.




It's only a deal if it's where you want to go. Find your travel deal here.
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