Probar torque - RC Groups
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Dec 03, 2017, 01:37 PM
Registered User
Question

Probar torque


Hello, I have a dumas probar h-29 sail winch and canít seem to find what the torque is for it.
Any help would be greatly appreciated.
Thank you,
John
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Dec 03, 2017, 07:02 PM
Registered User
You should post a picture. There is a probar, a Dumas probar, and a worm gear model. Some are just bump with a switch and others have servo guts to become proportional. Modern servos have some significant advantages including weight and big boat have branched to multiturn sailwinch.

The 3702 is advertised for up to 700 sq in.

http://www.dumasproducts.com/product...roducts_id=459
Dec 03, 2017, 07:16 PM
Registered User
I hope this helps.
It is in a Santa Barbara class sailboat.
John
Dec 03, 2017, 09:55 PM
Registered User
Sure looks like an Ozmun...

https://www.rcgroups.com/forums/show...6&d=1277141433
Dec 04, 2017, 08:24 AM
Registered User
I don't know the exact torque of the Probar,but we used to use them in the Soling 50(800 sq in) sailing here in the trade winds,they have lots of torque and could trim anything that I know of including a J boat.
Dec 04, 2017, 09:58 AM
Registered User
If you have either a probar proportional or worm drive winch that is in good working order it does not need replacement and has more than enough torque for an SB in any wind range.
Dec 04, 2017, 04:58 PM
Registered User
I think pwallace is right.it might be a ozmun winch.
You guys feel confident about the torque for a sb.
So it stays.
Thank you for all your help.
John
Dec 06, 2017, 07:01 AM
Registered User
I agree it's prob an Ozmund which also has lots of torque but plastic gears opposed to the Probar steel gears.The Probar winch has steel pins for the gear shafts with 3 visible circlips on top of the casing, where the winch pictured has screws.


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