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Flat belt pulley - gear ratio?

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ScoutB
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PostPosted: Thu Feb 08, 2018 6:44 pm    Post subject: Flat belt pulley - gear ratio? Reply to specific post Reply with quote

I'm considering building a pto driven capstan winch for my 9N. A flat belt pulley right angle gear seems like a good start to change the rotation axis, then replace the pulley with a capstan drum. I figure I'd need about a 10:1 speed reduction to get a reasonable rope speed. Is there such a thing as a pulley assembly with gear reduction?
 
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Dean
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PostPosted: Thu Feb 08, 2018 8:22 pm    Post subject: Re: Flat belt pulley - gear ratio? Reply to specific post Reply with quote

No.

You will need to build one.

Dean
 
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Kirk-NJ
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PostPosted: Fri Feb 09, 2018 12:14 am    Post subject: Re: Flat belt pulley - gear ratio? Reply to specific post Reply with quote

A sherman step down or sherman combo in step down range would give you a lower pto speed. It is an interesting idea and I even have a capstan that I would sell cause I took off my winch
tractor to narrow the wheels to make it easier to maneuver in the woods.
Since the PTO flat belt pulley is only secured to the tractor using four 7/16" bolts if you did any serious winching it's likely that you will rip it apart.
I would suggest building a frame than add an electric winch, if you have 12 volts or a pto winch.
Kirk








 
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Dean
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PostPosted: Fri Feb 09, 2018 6:04 am    Post subject: Re: Flat belt pulley - gear ratio? Reply to specific post Reply with quote

Interesting winch, Kirk.

Looks like it was too much for that 9/2N.

Dean
 
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Kirk-NJ
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PostPosted: Fri Feb 09, 2018 8:58 am    Post subject: Re: Flat belt pulley - gear ratio? Reply to specific post Reply with quote

Too much. LOL. It's only 10K lbs. It was used to pull big boats out of the Delaware river near Philadelphia Pa. They also used them on trucks for rigging in the oil fields
 
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Gaspump
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PostPosted: Fri Feb 09, 2018 10:34 am    Post subject: Re: Flat belt pulley - gear ratio? Reply to specific post Reply with quote

Looks like Farmer Dan's earlier days in up north MI.
 
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ScoutB
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PostPosted: Fri Feb 09, 2018 5:06 pm    Post subject: Re: Flat belt pulley - gear ratio? Reply to specific post Reply with quote


If I had 12V and if I wasn't a cheap ba$tard I'd buy one of these and mount it to the back. 1500# is plenty for the work I need to do with it. I built a rake from rebar and a "launch" on my pontoon boat to take it out past the weeds in my lake. Last year I pulled the rake back in with the tractor, but the hill is steep and the ride back down in reverse is exhilarating to say the least. With a capstan style winch I can pull in 100 ft of rope at a pretty good clip and if I hook a monster I can just let the rope slip.
 
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JMOR
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PostPosted: Fri Feb 09, 2018 6:54 pm    Post subject: Re: Flat belt pulley - gear ratio? Reply to specific post Reply with quote

Belt pulley is step up over pto speed by 1.86 to one. Stated another way, belt pulley is 68% of engine speed.
 
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Royse
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PostPosted: Fri Feb 09, 2018 7:26 pm    Post subject: Re: Flat belt pulley - gear ratio? Reply to specific post Reply with quote

This will winch the boat and do the dredging.
Both problems solved! You might have to paint it to match. LOL

Would not be too hard to fab a carrier bracket attached to the rear
trumpet mounting studs that would hold an electric winch and 12V
battery. Could work out to be the cheapest way to go for intermittent
use. I would still pay attention to keeping it mounted as low as possible.
Hope you're staying warm and dry!
 
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JMOR
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PostPosted: Fri Feb 09, 2018 7:30 pm    Post subject: Re: Flat belt pulley - gear ratio? Reply to specific post Reply with quote

Royse wrote:
(quoted from post at 23:26:18 02/09/1Cool This will winch the boat and do the dredging.
Both problems solved! You might have to paint it to match. LOL

Would not be too hard to fab a carrier bracket attached to the rear
trumpet mounting studs that would hold an electric winch and 12V
battery. Could work out to be the cheapest way to go for intermittent
use. I would still pay attention to keeping it mounted as low as possible.
Hope you're staying warm and dry!
................but $26,000 is a lot of cash
 
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Royse
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PostPosted: Fri Feb 09, 2018 7:33 pm    Post subject: Re: Flat belt pulley - gear ratio? Reply to specific post Reply with quote

JMOR wrote:
(quoted from post at 23:30:18 02/09/1Cool
Royse wrote:
(quoted from post at 23:26:18 02/09/1Cool This will winch the boat and do the dredging.
Both problems solved! You might have to paint it to match. LOL

Would not be too hard to fab a carrier bracket attached to the rear
trumpet mounting studs that would hold an electric winch and 12V
battery. Could work out to be the cheapest way to go for intermittent
use. I would still pay attention to keeping it mounted as low as possible.
Hope you're staying warm and dry!
................but $26,000 is a lot of cash

Plus paint! Wink
 
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JMOR
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PostPosted: Fri Feb 09, 2018 7:57 pm    Post subject: Re: Flat belt pulley - gear ratio? Reply to specific post Reply with quote

Royse wrote:
(quoted from post at 23:33:24 02/09/1Cool
JMOR wrote:
(quoted from post at 23:30:18 02/09/1Cool
Royse wrote:
(quoted from post at 23:26:18 02/09/1Cool This will winch the boat and do the dredging.
Both problems solved! You might have to paint it to match. LOL

Would not be too hard to fab a carrier bracket attached to the rear
trumpet mounting studs that would hold an electric winch and 12V
battery. Could work out to be the cheapest way to go for intermittent
use. I would still pay attention to keeping it mounted as low as possible.
Hope you're staying warm and dry!
................but $26,000 is a lot of cash

Plus paint! Wink
I would sure like to have it though as I have several tanks that need cleaning of silt.
 
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Kirk-NJ
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PostPosted: Sat Feb 10, 2018 4:24 am    Post subject: Re: Flat belt pulley - gear ratio? Reply to specific post Reply with quote


 
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ScoutB
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PostPosted: Sat Feb 10, 2018 6:47 am    Post subject: Re: Flat belt pulley - gear ratio? Reply to specific post Reply with quote

JMOR wrote:
(quoted from post at 22:54:47 02/09/1Cool Belt pulley is step up over pto speed by 1.86 to one. Stated another way, belt pulley is 68% of engine speed.


Thanks, that's what I expected - 1:1 or higher. You would want some belt speed for a cord wood saw or similar device. I was hoping there was another version out there with a step down for other low speed applications.
 
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ScoutB
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PostPosted: Sat Feb 10, 2018 7:03 am    Post subject: Re: Flat belt pulley - gear ratio? Reply to specific post Reply with quote

Royse wrote:
(quoted from post at 23:26:18 02/09/1Cool This will winch the boat and do the dredging.
Both problems solved! You might have to paint it to match. LOL

Would not be too hard to fab a carrier bracket attached to the rear
trumpet mounting studs that would hold an electric winch and 12V
battery. Could work out to be the cheapest way to go for intermittent
use. I would still pay attention to keeping it mounted as low as possible.
Hope you're staying warm and dry!


Haha, yeah, that would do it. It won't fit in my garage though.

The smaller cable winches I've looked at hold 50' of cable and have a retrieval rate of 7.5 ft/min. If I had as much spare time a you I could probably make that work, but I'm looking for a speed more like 60 ft/min.

I am staying warm and dry except when I get the sudden urge to drill a hole in the ice and drown some bait. You'd think I'd be smarter than that. How are things with you and Joan?
 
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