I wonder where the hydraulic pressure is coming from to slip/unlock them.... Electric pump(s) like an ABS unit would have or something else? Its an intresting design however it works.
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Ripsaw driveline
- Thread starter WaterH
- Start date
Tractor Monger
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You do realize a tractor doesn’t need to go 60mph? I probably understand how and why they made the decision to go with basic brake calipers better than most. I work on these type of systems daily. The ripsaw design will never hold up under any real use. There are far better ways, but more expensive and complicated, to control steering. They made it seem like it was ground braking technology. Its about as basic as it gets.
. . . and the Ripsaw is not a tractor. Not sold as a tractor. Not trying to be a tractor. Get out of the "tractor" mindset - these are not the droids you're looking for
It's a go-fast offroad fuck-around toy which does need to go 60+ MPH or it never would have been a market success. Howe and Howe weren't targeting the tractor market or the Argo 6x6 crowd, this is a high-end "yee-haww" machine.
You're trying to fault a KTM 500 EXC for not being a Rokon Ranger. Hell, Kanye West owned the one Cleetus now has - how much farming do you think Kanye was planning when he plunked down hundreds of thousands? It's a toy I can't afford, but I appreciate it.
As a tractor - yes, it sucks, no argument. But it's not a tractor.
ThePanzerFuhrer
The Rock Breaker God
Lol I don’t need any pointers on that. I don’t run dozer enough to be good at them. I’m proficient. My dozer use is basically push a few acres of over burden every year.If you need any pointers on how to make choppy washboard, hit me up
Now my dad probably digs 75+ basements a year and they all get their yards finish graded. He’s so good all you have to do is toss the seed and fertilizer on and rake it in and your done with the yard. It’s the one thing I cannot harass him over
SomeGuyFromOlympia
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I spent some time on that machine
I didn't care for it. seemed wonkey to me
I like the simple JD350/450 levers
Ended up with a Komatsu d21, love it
All these suggestions of transmission based or clutch based stuff...imagine slipping a clutch constantly at high load at 3000+ rpm...imagine how slow it would be to respond to a gear change. Would not last long. The brakes are there because they're entirely designed to be slipped all the friggin time at high speeds.
But it still looks janky and probably is.
But it still looks janky and probably is.
ThePanzerFuhrer
The Rock Breaker God
No that thing has the perfect trans
. The two speeds are perfect for powering through the corner. The jd has a clutch brake steering setup. Stupid you need to lose power to make a turn.SomeGuyFromOlympia
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yes I agree, it has the perfect wonkey transmissionNo that thing has the perfect trans
I love my Komatsu, it has the same clutches that you evidently don't like, but that is why you have a Case, me a Komatsu
I really dont push corners, if I do I can slip the six way if it is having trouble
Just rebuilt the steering clutches in mine, basically the same as this ripsaw thing, only slower and bumpier
Ever played around on a cable D8? Holy fuck can I turn flat ground into a war zone with both of ours. Fun as shit though, we still have a Letourneau cable scraper that was used to clear the homestead in the 50's with 18" trees growing up through it. I really need to dig that bitch out and fully destroy everything.
I believe Howe and Howe had them made custom, not something else's stock part.
SomeGuyFromOlympia
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is that the one where the cables go over the cab?
Mr.Ratbastard
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The one Ceetus is running has been around awhile, apparently beat on, put back in decent order by regular mechanics using off the shelf parts, looks to perfom pretty damn good....this thread, scrap it, it won't work, shit design. Except it's not
WaterH
Well-known member
So the reason for starting this thread is in my back yard.
I would like to get it running. The stock driveline is a Detroit driving two verible hydro pumps that feed two verible hydro motors. The controls for those pumps/motors is gone. Not sure if any of that stuff is any good and the control technology is not available to buy Even if it did. All that hydro junk looks extremely expensive To rebuild. This will only be a toy, so not interested in spending more than 10K or there abouts.
The hydro motors drive big sprockets/chains inside the frame. The chain drives all the tires through swing arm suspension. I believe I could yank out the motor and all the hydro stuff. I have a 12 valve Cummins (bro) and I think I could source a tranny for a couple grand. That leaves building the ripsaw setup to drive the sprockets. I have a lathe/mill and can do basic machine shop stuff. The Howe stuff looks fairly easy to make. That’s why I’m interested.
If you guys got an easier idea, I’m all ears. (Remember the 10K budget.)
I would like to get it running. The stock driveline is a Detroit driving two verible hydro pumps that feed two verible hydro motors. The controls for those pumps/motors is gone. Not sure if any of that stuff is any good and the control technology is not available to buy Even if it did. All that hydro junk looks extremely expensive To rebuild. This will only be a toy, so not interested in spending more than 10K or there abouts.
The hydro motors drive big sprockets/chains inside the frame. The chain drives all the tires through swing arm suspension. I believe I could yank out the motor and all the hydro stuff. I have a 12 valve Cummins (bro) and I think I could source a tranny for a couple grand. That leaves building the ripsaw setup to drive the sprockets. I have a lathe/mill and can do basic machine shop stuff. The Howe stuff looks fairly easy to make. That’s why I’m interested.
If you guys got an easier idea, I’m all ears. (Remember the 10K budget.)
Wilson
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What is that thing? With you mentioning eating 20% of your budget on a transmission, why not update the hydraulics and use the design that is already there? I may be completely out of touch in hydraulic pricing, but controls and motor rebuilds shouldn’t kill your budget and you could still use your 12v for the pump or step down to the smaller Cummins? You could still and carriers/ followers and rollers to your existing setup, if you’re set on tracks.So the reason for starting this thread is in my back yard.
I would like to get it running. The stock driveline is a Detroit driving two verible hydro pumps that feed two verible hydro motors. The controls for those pumps/motors is gone. Not sure if any of that stuff is any good and the control technology is not available to buy Even if it did. All that hydro junk looks extremely expensive To rebuild. This will only be a toy, so not interested in spending more than 10K or there abouts.
The hydro motors drive big sprockets/chains inside the frame. The chain drives all the tires through swing arm suspension. I believe I could yank out the motor and all the hydro stuff. I have a 12 valve Cummins (bro) and I think I could source a tranny for a couple grand. That leaves building the ripsaw setup to drive the sprockets. I have a lathe/mill and can do basic machine shop stuff. The Howe stuff looks fairly easy to make. That’s why I’m interested.
If you guys got an easier idea, I’m all ears. (Remember the 10K budget.)
it appeasr to have a hydraulic pump built into the unit spun by the driveshaft.
2016+ Focus RS Rear Diff Cooler, Part 2: Plans - Mishimoto Engineering
In the next post of Mishimoto's 2016+ Ford Focus RS Rear Differential Cooler blog, we explore our plans for cooling the PTU and RDU.
www.mishimoto.com
So if you control the solenoids you could make it do things.
Sounds like cooling is the big hurdle and I imagine it would get a lot worse if you used it to drive tracks and were slipping clutches for turns.
Agreed. The heat buildup from slipping the side clutches to turn would be way to much for that little diff to handle. Intresting design for sure but begs the question, why?it appeasr to have a hydraulic pump built into the unit spun by the driveshaft.
2016+ Focus RS Rear Diff Cooler, Part 2: Plans - Mishimoto Engineering
In the next post of Mishimoto's 2016+ Ford Focus RS Rear Differential Cooler blog, we explore our plans for cooling the PTU and RDU.
So if you control the solenoids you could make it do things.
Sounds like cooling is the big hurdle and I imagine it would get a lot worse if you used it to drive tracks and were slipping clutches for turns.
Pump and cooler, shouldn't be that hard to keep cool. Also a filter, doubt clutch dust? would make things wear any better.
Edit, read the article and it states the clutch packs have separate oil supplies from the diff. Sounds gay and complicated.
Last edited:
aczlan
Good Morning!
Post up pictures of the tags on the pumps/motors (or at least the machine info, IIRC its milsurp and there may be manuals available for it), someone on here has probably seen them or something close enough to get them working enough to test with.
Aaron Z
yeah they say that the clutch packs are sealed.
I assume they have unicorn piss in them for the clutches to work properly.
Dethmachinefab
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An auto trans for each side. Should be pretty simple, fab a bellhousing / chain case to power both.
Or go nuts and put two big blocks side by side.
Or go nuts and put two big blocks side by side.
ThePanzerFuhrer
The Rock Breaker God
This is a weapon of war, the only correct answer is 2 671T’s. Need to strike fear into the enemyAn auto trans for each side. Should be pretty simple, fab a bellhousing / chain case to power both.
Or go nuts and put two big blocks side by side.
Ya, I read it also and still don't understand why....
The only reason to over complicate something as simple as a differential like that one, is to take away even more "control" from the driver and let the computer do even more thinking for you. Shit is getting on the ridiculous side.
Welcome to the 80's.An auto trans for each side. Should be pretty simple, fab a bellhousing / chain case to power both.
Or go nuts and put two big blocks side by side.
Bigfoot Fastrax
Bigfoot Fastrax was a custom 1990 Ford Aerostar tank. It was one of the few vehicles Bob Chandler actually purchased and had changed. It was also the last truck Bob Chandler drove competitively as a long jump attempt in it worsened his back injury, forcing him to retire. The truck originally was...
are you all forgetting what that diff is in?Ya, I read it also and still don't understand why....
The only reason to over complicate something as simple as a differential like that one, is to take away even more "control" from the driver and let the computer do even more thinking for you. Shit is getting on the ridiculous side.
focus RS has all the shit to go fast. Torque vectoring isn't possible without a computer making that shit happen.
My SxS clutch packs are like that. You can't buy aftermarket fibers and steels and can only buy the whole clutch assembly from Honda.
Dethmachinefab
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That's rad, sounds awesome when hes getting it. Looks to work pretty darn good.Welcome to the 80's.
Bigfoot Fastrax
Bigfoot Fastrax was a custom 1990 Ford Aerostar tank. It was one of the few vehicles Bob Chandler actually purchased and had changed. It was also the last truck Bob Chandler drove competitively as a long jump attempt in it worsened his back injury, forcing him to retire. The truck originally was...monstertruck.fandom.com
I know exactly what that's in, It's in a vehicle Ford designed. I'm sure it was a well thought out and tested design that is guaranteed to be trouble free for the existence of the vehicle....
Ok, new(ish) idea.
2 turbo 4 bangers, or 6
2 Auto trans electronically controlled
2 IRS open diffs.
Connect the diffs with a center axle.
Control levers are throttles for each engine. The would have eccentric cams on the bottoms to activate a MC so that whe they are centered it locks up the brakes. Pull back and E trans shifts into reverse. Throttles would work in both directions.
That way most turning would be done with throttle input. Tight turns would use a brake. Spinning circles would reverse 1 side.
2 turbo 4 bangers, or 6
2 Auto trans electronically controlled
2 IRS open diffs.
Connect the diffs with a center axle.
Control levers are throttles for each engine. The would have eccentric cams on the bottoms to activate a MC so that whe they are centered it locks up the brakes. Pull back and E trans shifts into reverse. Throttles would work in both directions.
That way most turning would be done with throttle input. Tight turns would use a brake. Spinning circles would reverse 1 side.
yes, but your post lamented the fact that computers controlled it and it was complicated.I know exactly what that's in, It's in a vehicle Ford designed. I'm sure it was a well thought out and tested design that is guaranteed to be trouble free for the existence of the vehicle....
Show me another vehicle with torque vectoring that doesn't have a similar arrangement.
also show me where a human being is capable of controlling the car like the computer.
like it or not, computers and technology make shit fast. You probably hate fuel injection and turbos too, fucking boomer.