[PSUBS-MAILIST] 36v thruster - rebuild or replace with 12v?

[hank pronk via Personal_Submersibles]

 Rick,You must be getting ready to build your manipulator.  Start watching Ebay for an aluminum air gripper.  That is the tricky part to build, so if you buy an air gripper you can modify it for a manipulator.  You can even find air grippers with a rotary base.  Just look for rotary air gripper and you can make the hand and wrist for a couple hundred dollars.  Hank
    On Friday, September 29, 2017, 7:51:52 AM MDT, Rick Patton via Personal_Submersibles <personal_submersibles at psubs.org> wrote:  
 
 Thanks Hank, Rick 
On Fri, Sep 29, 2017 at 4:48 AM hank pronk via Personal_Submersibles <personal_submersibles at psubs.org> wrote:

 Rick,The aluminum tube I found is 1\8 thick and 3 inch square, pretty much the same as the steel I used in my arm members.   I really should learn how to weld the stuff.  Hank
    On Thursday, September 28, 2017, 6:51:37 PM MDT, Rick Patton via Personal_Submersibles <personal_submersibles at psubs.org> wrote:  
 
 Hank What size and wall thickness is the aluminum tube?Rick 
On Thu, Sep 28, 2017 at 5:40 PM hank pronk via Personal_Submersibles <personal_submersibles at psubs.org> wrote:

 What would we do without eBay.com ?  I also get a lot of materials from our local dump.  When metal comes to the dump it is put in a special area by itself, and the public can salvage\recycle anything that is not in the pile.  I get lots of aluminum plate and tubing and shafting, ss bits and pieces, well all sorts of stuff.  I just picked up two four foot long aluminum square tubes that will become manipulator members ;-)Hank
    On Thursday, September 28, 2017, 3:29:03 PM MDT, Brian Hughes via Personal_Submersibles <personal_submersibles at psubs.org> wrote:  
 
  It was a rusted mess. Went with an eBay score Minn Kota 36v 101lb thrust trolling motor. Ask Alec. I'm the king of eBay bargains.  :-)

I'll oil compensate it and stick a lead bar on the support to make up for the weight change. Plan to switch out the side ones this Winter with 50lb 12v. 



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