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  #11  
Old 01-28-2018, 02:54 PM
J-Mech J-Mech is offline
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Originally Posted by darkminion_17 View Post
If you look at the S/G from its pto end so to speak it turns anti clockwise
Correct.

Confused yet Mike?
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  #12  
Old 01-28-2018, 02:57 PM
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Correct.

Confused yet Mike?
All I have to say is I’m a forklift guy so everything I drive and steer is ”backerds”
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  #13  
Old 01-28-2018, 03:17 PM
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All I have to say is I’m a forklift guy so everything I drive and steer is ”backerds”
I see..
The starter in your old no longer have, 800 turns anti clockwise too!
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  #14  
Old 01-28-2018, 03:58 PM
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All I have to say is I’m a forklift guy so everything I drive and steer is ”backerds”
Ha Ha that's funny Mike!!
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  #15  
Old 01-28-2018, 04:01 PM
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All I have to say is I’m a forklift guy so everything I drive and steer is ”backerds”
Yeah, and I've drove those things, the steering reverses when you change direction. Took me forever to get that into my head. I get it, you always turn the wheel the same direction. But a guy that's put thousands of hours on equipment that doesn't do that, it was like learning to drive all over again.
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  #16  
Old 01-28-2018, 05:59 PM
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Sorry, was traveling today, so missed much of the debate. Ha! Does the rotation change "down under?" JK of course.

Anyway, yes, there was a purpose/reason in my mind. Thinking about some of the articulated Cubs that I've seen, looks like two rear ends. One must be turned around, so if driven by the engine flywheel side, it would have to be driven counter from the normal drive rotation. Wondering how they do this or if the front hydro/axle is driven off the PTO, which would give it proper/same rotation as normal. Anybody seen an articulated cub up close?

Side question. Could you drive both hydrostats with a pair of hydraulic motors, driven by a single large hydraulic pump? Obviously some loss of efficiency in series hydraulic drive systems, but might resolve the power transmission issue across the articulation point (hoses vs. CV joint) for example.
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Old 01-28-2018, 08:02 PM
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They drive them "through". Front unit is driven off the rear shaft.

Could you hydraulic drive it..... I suppose you vould. But that would be expensive and unnecessary. If you're going to do that, just use a mounted hydrostatic pump on the engine, remove the hydro units off the rear ends, and mount piston motors. Then split drive them both.

I want to see someone build a gear drive articulated tractor. That would be impressive! I've seen one, but it had two gear shift levers. Not impressed.
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Old 01-28-2018, 08:36 PM
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They drive them "through". Front unit is driven off the rear shaft.

Could you hydraulic drive it..... I suppose you vould. But that would be expensive and unnecessary. If you're going to do that, just use a mounted hydrostatic pump on the engine, remove the hydro units off the rear ends, and mount piston motors. Then split drive them both.

I want to see someone build a gear drive articulated tractor. That would be impressive! I've seen one, but it had two gear shift levers. Not impressed.
You are saying the front axle/hydro is driven by a short drive shaft from the flywheel side of the engine and the rear hydro is driven "through" the front hydro. Right? That's why the whole engine hangs out in front of the front axle?

I wonder if you could push the axle forward, and drive it with the PTO?
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Old 01-28-2018, 09:44 PM
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You are saying the front axle/hydro is driven by a short drive shaft from the flywheel side of the engine and the rear hydro is driven "through" the front hydro. Right? That's why the whole engine hangs out in front of the front axle?
On most of the ones people build yes. I've also seen belt drives down to the hydro shaft, but still runs a shaft that runs between the two pumps.


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I wonder if you could push the axle forward, and drive it with the PTO?
Yes, you can. But why would you? You need the motor in front of the axle for weight. Look pretty funny the other way.



If you do build one, the biggest mistake I see made is they are too short coupled. On a 4X4 tractor, the engine is out front and over part of the axle. The axle sits ahead of the cab. Most of the builds I see they try to keep the steering wheel at the back of the hoods where it originally is. That leaves no room for the operators feet. The frame needs to be longer in front, and the operator moved back more. The hood will have to be extended. I've only seen a couple that were done well.
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