[PSUBS-MAILIST] Manipulator arm

[Land N Sea via Personal_Submersibles]

Hey Scott,

I would love to help as I am planning on having one on my K-350 but lack any engineering experience. I was planning on going Hydraulics with the pump and controls inside and having 8 penetrations ( a supply and return for four functions ) Rotation, two arms like a back hoe and claws. Would love to have the claw rotate as well but trying to keep the cost down to a dull roar. 
I was trying to size the cylinders to the arm size and picking capability and someone mentioned maybe using the cylinders that make an outboard motor tilt. I just rented a large moving van with a hydraulic lift gate and those cylinders were bigger than an outboard motor tilt set up and would give you a bit more oomph  as well though you are pretty limited to lifting before nosing the boat down in the front unless you had a VBT up forward to compensate the load. Any hydraulic engineers out there in the group?

Rick



From: swaters via Personal_Submersibles 
Sent: Wednesday, May 28, 2014 3:31 PM
To: personal_submersibles at psubs.org 
Subject: [PSUBS-MAILIST] Manipulator arm

Hey guys. I am still working on the manipulator arm project for the K boats. I am a little overwhelmed as to what direction to head. I really don't know where to start because of my lack of knolwedge. Does anyone have any pointers as to where to start? I am thinking about using electric motors rather than hydrolics just because of the amount of external operating peices. 
Thanks,
Scott Waters




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