Freewheeling a Paragon Transmission - SailNet Community

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Go Back   SailNet Community > On Board > Gear & Maintenance > Engines > Diesel
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Diesel This is a new forum dedicated to diesel engines and their applicable accessories.


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Old 01-03-2010
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clarity36 is on a distinguished road
Freewheeling a Paragon Transmission

Crew
I've just entered a relationship with a Perkins 4.236 powering a Paragon 400 series hydraulic transmission. The original owner has passed on from this world; not answering any calls, and info on the web is scant re this unit. Any advice on whether I can leave it in neutral, freewheeling, while sailing? Cheers. Bill
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Old 02-01-2010
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I have a Paragon tranny in my boat. It is my understanding that it is better to not let the prop freewheel. If I am not mistaken the tranny oil is pumped only when the input shaft is turning, when it is freewheeling there is no lube oil.
Hope this helps
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Old 02-10-2010
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From my boat club's website:
26.02.05
Our fellow member Dees contacted PARAGON's headquarters in USA and asked them the question of letting or not your propeller to freewheel (As to avoid gear damage). Here the answer from Charles Rother of Great Lakes Power Products:


"IT DOES NOT DAMAGE THE TRANSMISSION TO HAVE THE PROPELLER FREEWHEEL. JUST AS A PRECAUTION, AND YOU PROBABLY DO THIS ANYWAY, THE TRANSMISSION SHOULD BE SHIFTED INTO NEUTRAL BEFORE THE ENGINE IS SHUT DOWN".

Paragon Marine Hydraulic Transmissions
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Old 02-10-2010
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Interesting info. I have an older Paragon G35L which I believe is mechanical. I don't let it freewheel, though I suspect a mechanical transmission would suffer no damage.
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Old 02-10-2010
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There is a huge discussion on this subject somewhere on this site. There was also a study conducted on freewheeling vs locking to find out which one produced more drag. It was proven that freewheeling produces less drag. The report is also somewhere on this site.

My paragon freewheel all the time, no issues.
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