[PSUBS-MAILIST] home made actuator

[hank pronk via Personal_Submersibles]

 Alan,I just had a look at the one you found, and I did not realize they were DC.  I thought they were AC, well that is awesome!Thanks"Hank
    On Saturday, August 11, 2018, 3:40:12 PM MDT, hank pronk via Personal_Submersibles <personal_submersibles at psubs.org> wrote:  
 
  Alan,  I think they are probably song enough, I just swap the AC motor out.  I don't need 400 lbs to do the job but I need 400 lbs of ballast.  I am actually planning to make a moving cradle that also carries the oil filled batteries.  I don't know how much force it will require, but, the cradle will be on rollers to make it easy.I am ready to test for balance, so I will have to switch over to building a test pool.  My plan to put an in ground pool in my new shop is out now because there is a giant lathe in the way.Hank
    On Saturday, August 11, 2018, 3:34:01 PM MDT, Alan via Personal_Submersibles <personal_submersibles at psubs.org> wrote:  
 
 Hank,my first thought was satellite dish actuator.This one is claiming 500lb capacity.https://www.ebay.com/itm/Venture-18-Inch-Linear-Actuator-36V-Jack-Arm-with-Saddle-Clamp-Satellite-Dish-/271574942987But you wouldn't need that with horizontal travel. Any idea what force ittakes to pull / push it? I assume it is external.Just wondering why you need 400lb!  Cheers Alan

On 12/08/2018, at 8:54 AM, hank pronk via Personal_Submersibles <personal_submersibles at psubs.org> wrote:


Hi All,I am in need of a long stroke electric actuator to move my 400 lb trim weight.  Of coarse I want to make one.  I am planning to either add a oil filled trolling motor to a trailer jack or mount the trolling motor to a satellite dish actuator.  I have not dismantled the satellite dish actuator yet to see if it can handle the job.  I think it can but I will see.  Anyone have another idea?Hank

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