[PSUBS-MAILIST] eRe: Alan's new motor

[hank pronk via Personal_Submersibles]

 Alan,You can make a oil trap in the compensation tube, its real simple.Hank
    On Wednesday, October 3, 2018, 12:32:59 PM MDT, Alan via Personal_Submersibles <personal_submersibles at psubs.org> wrote:  
 
 Hank,I am hoping I can dial up the over pressure to the point that itkeeps the oil down. (like blowing in to a straw forcing the liquid out)The oil goes in through a clear tube so I can monitor the level.I am not confident though; however oil compensation has beenaround for a long time. Unfortunately I can't put a one way valve in the system as the pressure won't be able to escape on ascent.Below is the motor in oil without the proppeller.Alan

On 4/10/2018, at 1:34 AM, hank pronk via Personal_Submersibles <personal_submersibles at psubs.org> wrote:


 Alan,I have had similar situation, the oil will still come up the tube.  The over pressure makes no difference, unless there is a piston or diaphragm blocking the oil.Hank
    On Wednesday, October 3, 2018, 2:53:29 AM MDT, Alan via Personal_Submersibles <personal_submersibles at psubs.org> wrote:  
 
 Hank,yes very patient "lol" as this might not be the final version.I have tested the motor out of the housing in a bucket of oil & establishedthat it could only be run at 30 Amps without overheating. It causes quite a turbulence running in oil with no prop on due to the open design of a rotating back section. It will want to force oil out of the housing & up the oil feed tube,but I am hoping the overpressure from my oil compensator will keep the oilin around the motor. Am learning a lot on each attempt.Alan


On 3/10/2018, at 9:06 PM, hank pronk via Personal_Submersibles <personal_submersibles at psubs.org> wrote:


Alan, your patience is amazing.  I would be itching to test it before sending it away for anodizing.  Hank

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