Re: [PSUBS-MAILIST] Oil Compensated Thursters

[MerlinSub@t-online.de]

The Voltage was 12 Volt. And we never measure it. 

<DJACKSON99@aol.com> schrieb:
> Carsten
> 
> What was the voltage supply to these thrusters, and did you measure the amps 
> at full thrust, with and without the oil in order to determine the power loss 
> due to the oil?
> 
> Best Regards,
> Doug J
> 
> In a message dated 11/17/2006 6:44:41 AM Central Standard Time, 
> MerlinSub@t-online.de writes:
> 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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