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Re: [PSUBS-MAILIST] oil vs. air compensation



Thanks Jim. I'll keep an open mind on what type of compensation for now. The Minnkotas are good for 50 feet with no compensation, so I'll be able to test launch and work out the bugs before I need to commit. I've heard that just a short flexible tube filled with oil and sealed to the housing is all it takes to compensate with oil. I've seem a couple like that, and it certainly looks to be the simplest method. That and the increased thermal conductivity are some of the advantages. The oil creates a little drag within the motor housing, and tends to get black from the arcing at the brushes so replacement is a regular maintenance task. I've also heard that vegetable oil is used. Have you heard what type of oil is best? There was a thread a while back talking about "di-electric" what ever that is.
I'll e-mail Greg ( about my plexi disks) and see what he says.
Frank D.    




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