[PSUBS-MAILIST] vertical thruster orientation

[Jon Wallace via Personal_Submersibles]

Air compensation for me, hank. 


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On Fri, 8/10/18, hank pronk via Personal_Submersibles <personal_submersibles at psubs.org> wrote:

 Subject: Re: [PSUBS-MAILIST] vertical thruster orientation
 To: "Jon Wallace via Personal_Submersibles" <personal_submersibles at psubs.org>
 Date: Friday, August 10, 2018, 4:54 PM
 
 
         Jon,I am mounting my vertical
 thrusters on E3000 the same as Gamma.  I agree with Alec
 completely, and if you have an entanglement you won't
 rely on thrusters, you will simply air up your MBT's.
  I don't know how your compensating your motors, but
 there is an added benefit to having the prop at the top with
 oil filling because the seal is at the top.  Gamma has no
 pressure compensation on the vertical thrusters, they are
 simply filled with oil.  I replace the oil (WD-40) at the
 end of the season and thats it.
  Hank
 
         
         
             
                 
                 
                     On Friday, August 10, 2018, 2:28:22 PM
 MDT, Jon Wallace via Personal_Submersibles
 <personal_submersibles at psubs.org> wrote:
                 
                 
 
                 
 
                 Thanks for the feedback
 folks.  The issues of bearing wear and running in reverse
 mode to control a positively buoyant sub is well taken.  I
 was thinking more about potential entanglement and having
 maximum forward thrust available to help push to the surface
 if necessary.  I will have to think about this some more. 
 
 
 Although I was intent on
 fixing the thrusters permanently for simplicity it looks
 like I do have the option to retain the original rotating
 configuration and maybe that would give me the option to
 position them for multipurpose use.  If I take this route I
 plan on utilizing the SNOOPY approach of locking them down
 rather than having to hold onto them.  
 
 Jon
  
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