[PSUBS-MAILIST] Air compensating thrusters

[Jon Wallace via Personal_Submersibles]

Alec, just for completeness, what oil do you use in your MK's?  Is it 
marvel mystery oil?

Jon


On 7/26/2014 10:43 PM, Private via Personal_Submersibles wrote:
> Alan, honestly you're over-analyzing this one. I would summarize it 
> thus; air and oil compensation both work just fine, pick either one.
>
> I've run Snoopy with both air and oil compensation, using the same 
> motors. I could not tell the difference, either in power or even in 
> sound. I do agree the motors must in theory lose some efficiency with 
> oil, but it was not in the least noticeable to me.
>
> Personally I prefer oil because the system has no moving parts and 
> therefore in my book is simpler and more reliable, but again... both 
> work just fine.
>
> As for all the stuff about dissolving plastics and brushes, I finally 
> overhauled the thrusters last year for the first time. All I had to do 
> was change the seals and brushes, and I  turned the commutator on the 
> lathe because the copper had some wear. These parts had lasted a decade.
>
>
> Best,
>
> Alec

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://www.whoweb.com/pipermail/personal_submersibles/attachments/20140727/71314fa9/attachment.html>