[PSUBS-MAILIST] Manipulator

Thu Jan 23 19:05:28 EST 2014

Thanks Alan I’ll give it a try. The only thing that might throw a wrench into it would be if the calk's were based on the arm being attached to a solid and fixed object?

Rick

From: Alan James 
Sent: Thursday, January 23, 2014 12:13 PM
To: Personal Submersibles General Discussion 
Subject: Re: [PSUBS-MAILIST] Manipulator

Hi Rick,
If you google robotic arm calculator, you come up with a few options for
calculators that you input your criteria to. You will be able to play around
& work out the best option quickly. This is the first one I came across.
http://www.robotshop.com/blog/en/robot-arm-torque-calculator-9712

Alan

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From: Land N Sea <landnsea1 at hawaiiantel.net>
To: Personal Submersibles General Discussion <personal_submersibles at psubs.org> 
Sent: Friday, January 24, 2014 8:27 AM
Subject: Re: [PSUBS-MAILIST] I am not a dork

I am planning on fabricating my own manipulator for my K-350 that will be hydraulic and was wondering if anybody that had experience using one on a boat that size would be able to let me know about how much an arm would be able to pick fully extended and if a VBT up forward was mandatory to keep the trim.
I am planning on making the manipulator out of two sections, each about 2’ long giving me a 4’ reach fully extended which will get me out just past my forward MBT. 
I realize that the lifting capacity is based on a number of things like the rated capacity of the rams and where they are attached to the arms so if you know that as well that would be great. It’s freezing here on the big Island! I woke up to a chilling 54 degrees and had to put on a sweat shirt just to walk up to my shop.

Rick 

From: hank pronk 
Sent: Wednesday, January 22, 2014 1:43 PM
To: Personal Submersibles General Discussion 
Subject: Re: [PSUBS-MAILIST] I am not a dork

Alan,
Yes I could spring load it, It does take some effort to pull the fingers open.  The oil has to travel through a pretty small line and all I have here is a pail of 5/30 and that is a bit heavy.  I don't heat my shop at night so it gets chilly by morning.
Hank

On Wednesday, January 22, 2014 4:34:35 PM, Alan James <alanlindsayjames at yahoo.com> wrote:

Hank,
can you mount a wedge somewhere so you can push the manipulator grippers up against
it to wedge them open? Or have a compression spring temporarily mounted across the grippers?
   You could hang some plastic fish from the garage roof  to add a bit of realism.
Alan

From: "vbra676539 at aol.com" <vbra676539 at aol.com>
To: personal_submersibles at psubs.org 
Sent: Thursday, January 23, 2014 11:09 AM
Subject: Re: [PSUBS-MAILIST] I am not a dork

Hey, she's a banker. It's all black or white with them. Except for the ones with mad manibubators in the shop out back, one supposes.

-----Original Message-----
From: hank pronk <hanker_20032000 at yahoo.ca>
To: Personal Submersibles General Discussion <personal_submersibles at psubs.org>
Sent: Wed, Jan 22, 2014 4:37 pm
Subject: Re: [PSUBS-MAILIST] I am not a dork

The only problem is, Gamma's manipulator has a power only to close gripper.  The gripper opens with outside water pressure pushing against it.  So I have to jump out of the sub to open the gripper each time.  I was trying to explain this to my wife and she replied "can't you just put it in a pail of water"  I am still laughing inside of coarse :-)
Hank

On Wednesday, January 22, 2014 2:03:46 PM, Michael Holt <mholt at ohiohills.com> wrote:

On 1/22/2014 2:57 PM, Alec Smyth wrote:
> That is indeed a very necessary practice, but for it to work properly 
> you also have to make loud "AOUUUUUGAH" klaxon sounds every so often, 
> to indicate diving and surfacing!
You're right: you gotta have the right sounds.  I have a friend who used 
to sit in the incomplete fuselage of his biplane in his garage, making 
airplane-engine noises.

M

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