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Old 12-29-2003, 01:51 PM   #1 (permalink)
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Limiting stroke on Howe double ended ram

Anyone do this without sending it to Howe? What material did you use? I don't really want to send mine in, and it don't look that hard.
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Old 12-29-2003, 01:58 PM   #2 (permalink)
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How much do you need to limit it? I needed to kill about an inch on my ram so I made a sleeve to slide over the shaft and used a shaft collar to hold it in place. I think the shaft collar was .375 so the sleeve was .625.
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Old 12-29-2003, 01:59 PM   #3 (permalink)
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shouldnt be any different than limiting any other ram.

get the piston/shaft out. get a piece of aluminum a little smaller OD as the ID of your cylinder, cut it to however much you want the limit. bore the spacer to slip over your shaft. Insert between piston face and cyl. end so that it floats on the shaft.

VIOLA
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Quote:
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Old 12-29-2003, 02:07 PM   #4 (permalink)
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pic. because i cant explain for shite this afternoon

green = shaft and piston
yellow = cylinder body
red= floating spacers
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Old 12-29-2003, 04:10 PM   #5 (permalink)
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You can't explain it but you could draw it that good ?
Thanks Sceep
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Old 12-29-2003, 04:28 PM   #6 (permalink)
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Quote:
Originally posted by desertoy
You can't explain it but you could draw it that good ?
Thanks Sceep
Kinda scary, huh? Sceep, you just may spend too much time talking to machines, and not enough talking to humans!!!

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Old 12-29-2003, 11:31 PM   #7 (permalink)
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Kinda scary, huh? Sceep, you just may spend too much time talking to machines, and not enough talking to humans!!!

hardcore
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Old 12-29-2003, 11:53 PM   #8 (permalink)
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Troys, last year. Some kind of poly bumper.



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Old 12-30-2003, 05:58 AM   #9 (permalink)
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Brutal redneck setup for testing purposes (= chunck of aluminum tube split in half and a hose clamp)

on a Station cylinder



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Old 12-30-2003, 07:36 AM   #10 (permalink)
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Quote:
Originally posted by BillaVista
Brutal redneck setup for testing purposes (= chunck of aluminum tube split in half and a hose clamp)

on a Station cylinder

OH, mine is ALOT more brutal than that.

Looks like Troy has the best idea. externally adjustable, easy on the ram seal. That's what I am going to do.
Thanks B.V.
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Old 12-30-2003, 07:45 AM   #11 (permalink)
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Quote:
Originally posted by Bobzooki


Kinda scary, huh? Sceep, you just may spend too much time talking to machines, and not enough talking to humans!!!



Hell, it took me longer to try and explain it in my first post, than it did to just sketch the thing up.

Iff'n you really want i could go in and add all the seals, ports, and clevis'. If it would help make it any clearer of course.
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Quote:
Originally Posted by USDA forest service website
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Old 12-30-2003, 08:06 AM   #12 (permalink)
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Desertoy,

Delrin or one of the super-hard nylons would be cool

Sceep - I am so envious of your ability to do that - very cool
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Old 12-30-2003, 08:13 AM   #13 (permalink)
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Quote:
Originally posted by BillaVista
Desertoy,

Delrin or one of the super-hard nylons would be cool

Sceep - I am so envious of your ability to do that - very cool
Any suggestions on where to get something like that??
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Old 12-30-2003, 08:22 AM   #14 (permalink)
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Quote:
Originally posted by desertoy


Any suggestions on where to get something like that??
delrin rod or glass filled nylon rod should be available at your local plastic supplier.

Also check ebay for small drops out of machine shops.

www.smallparts.com is great for stuff like this too. Little pricey but when you only need a few inches of stuff....
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Quote:
Originally Posted by USDA forest service website
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Old 12-30-2003, 08:31 AM   #15 (permalink)
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Quote:
Originally posted by desertoy


Any suggestions on where to get something like that??
You can get small pieces on ebay for pennies on the dollar.
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Old 12-30-2003, 08:34 AM   #16 (permalink)
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You can get poly bushings from Mcmaster but they are not cheap

http://www.mcmaster.com/param/asp/ps...11560;128=2261
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Old 12-30-2003, 08:35 AM   #17 (permalink)
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Aren't some cutting boards and other food industry stuff made of it too?

also possibly just "plastics" in the yellow pages

how about a dremmel and a couple hockey pucks!!!

Oh wait - South Westerner's don't know what those are do they
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Old 12-30-2003, 08:42 AM   #18 (permalink)
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Quote:
Originally posted by BillaVista


Oh wait - South Westerner's don't know what those are do they
hey now.. we have a hockey team! http://www.scorpionshockey.com/
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Old 12-30-2003, 08:58 AM   #19 (permalink)
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D-toy, I just installed the same axle as you. How much stroke does your ram need? Have you messed with the steering stops? It looks like there is plenty of clearance in the u-joints to shave the stops some with no problems.
I haven't had time to mess with my ram and steering stops yet.
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Old 12-30-2003, 09:02 AM   #20 (permalink)
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hey now.. we have a hockey team!
Kewel!


(must be a bunch of Canadians down there escaping the cold )
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Old 12-30-2003, 09:04 AM   #21 (permalink)
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The problem with plastics is most of them flow when they get hot. The permanent set-it-and-forget-it solution is a metal sleeve.
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Old 12-30-2003, 11:12 AM   #22 (permalink)
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maybe im being slow today....in the pic sceep posted the spacers are INSIDE the housing. i see how this would restrict travel. in the pics below his post the spacer is outside mounted to the ram. how will a spacer mounted outside restrict the travel??? are the double ended rams a solid piece?? so keeping the ram from fully extending to the LEFT...you put a spacer on the shaft on the right side?
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Old 12-30-2003, 11:36 AM   #23 (permalink)
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Quote:
Originally posted by zags
D-toy, I just installed the same axle as you. How much stroke does your ram need? Have you messed with the steering stops? It looks like there is plenty of clearance in the u-joints to shave the stops some with no problems.
I haven't had time to mess with my ram and steering stops yet.
You are right Larry. I could get more turning radius but my leaf springs are limiting me now. That is the problem. I need to get the hyd ram dialed in now so I don't do any damage to the steering components, but if I link the front during the summer will need to change it again and I would like it to be easy.
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Old 12-30-2003, 11:38 AM   #24 (permalink)
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Quote:
Originally posted by Fueler
maybe im being slow today....in the pic sceep posted the spacers are INSIDE the housing. i see how this would restrict travel. in the pics below his post the spacer is outside mounted to the ram. how will a spacer mounted outside restrict the travel??? are the double ended rams a solid piece?? so keeping the ram from fully extending to the LEFT...you put a spacer on the shaft on the right side?
inside or out will work.

Either way you have to have one on both sides if you want to limit in both directions.

If on the outside the stop holds between the cylinder end, and your clevis's (clevi?) On the inside the stop holds between the piston and the cylinder end.
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Quote:
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Old 12-30-2003, 11:47 AM   #25 (permalink)
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Quote:
Originally posted by Fueler
maybe im being slow today....in the pic sceep posted the spacers are INSIDE the housing. i see how this would restrict travel. in the pics below his post the spacer is outside mounted to the ram. how will a spacer mounted outside restrict the travel??? are the double ended rams a solid piece?? so keeping the ram from fully extending to the LEFT...you put a spacer on the shaft on the right side?
Yes, double ended rams are a solid piece.
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