Re: [PSUBS-MAILIST] Oil Compensated Thursters

[MerlinSub@t-online.de]

First set of Peppers thruster was filled with oil and get this problem. 
Was later refilled with Terpentin (a kind of petroleum) and thats works - but make later the electric cable hard and damage. Last solution was air compensation - with has at least a better efficency but need some maintance. 

regards Carsten

<DJACKSON99@aol.com> schrieb:
> Can anyone support this statement: "Scripps has tried to fill the DC motors 
> with oil, but the oil gets between the brushes and the commutator, where the 
> insulation properties of the oil causes problems. Although it would be possible 
> to use high voltage to break through the oil film, the high voltage is a 
> safety hazard for the divers." 
> -- www.empiremagnetics.com/articles/deep_sea.htm
> 
> I was thinking about 24 or 36 volt oil compensated brushed trolling motors, 
> but after reading the above I looked and could not find any examples of oil 
> compensated brushed motors under 100 volts.
> 
> What are your experiences and thoughts?
> 
> Thanks
> --Doug J
> www.submarineboat.com
> 





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