Backhoe Added a ripper to my Woods BH90x: Trees beware

[mjncad]

I guess I'm mostly used to it know, but don't always remember how many feet are in a mile, for example.

Statute mile or nautical mile? :laughing:

Now if you really want a clusterfrak...part of Japan's electric grid is 60hz, and the other part is 50hz. It's enough to make Uranus Hertz.

 

[Coyote machine]

I would imagine the reference is to an earth mile?
But if Newt were to have his way it might become a MOON mile; well hopefully for him at least!:laughing:

BTW, I have a hydraulic thumb and it has no effect whatsoever on getting the ripper/CLAW attached to the dipper stick on the Kioti KB-2485 hoe. Does the Woods hoe IT uses, or others are using, present additional issues with a thumb, mechanical or hydraulic?

 

[IslandTractor]

On my Woods BH90x the mechanical thumb is mounted (pivots) on the main bucket pin. That means that it needs to be lined up perfectly when installing the pin. As the thumb is only attached by that pin plus its adjustable "plunger rod" it is very wobbly until the pin is in. Basically you need about four hands to position the ripper and thumb so that main pin can be beaten in with your fifth hand. Remember none of these things weighs less than fifty pounds so you work up a sweat with all the isometric exercise. That requires a sixth hand to hold the beer can. Bottom line: not one of my favorite tasks.

 

[mjncad]

Sounds like it's about as much funs as connecting and disconnecting a 3PH post hole digger.

 

[IslandTractor]

Sounds like it's about as much funs as connecting and disconnecting a 3PH post hole digger.

Without the option of suspending it from a rafter.

 

[Reg]

Without the option of suspending it from a rafter.

That must be a ROYAL B*TCH once you realize you've just used it to rip out the last tree on the property with a decent enough branch to hang it from (-:

OK, so now we get out the band-saw mill, make lumber, build a gantry to hang it from.....
All in a man's burden I guess (-:

OTOH, if the last tree is gone, do we still NEED this thing ?

 

[nickel plate]

Without the option of suspending it from a rafter.

I must confess that I do use my overhead hoist to aid in the proceedure and I'm still not setting any tooth land speed records.
I dread the day that it ever becomes necessary to make a tooth/bucket bucket/tooth field swap out.

 

[Reg]

A cheap engine crane is something I have found SO MANY uses for - though never for actually hauling out an engine, I "got over that" before I finally broke down and bought one.

 

[IslandTractor]

The problem with any system of overhead support, tree, gantry or engine crane, is that the BH itself interferes. I suppose an overhead bar with the ripper supported below and BH in the middle would work but would hardly be a simple setup.

Although I have so far failed to devise a workable solution, I believe it will be best to support the ripper from below in a device that will allow x,y,z spacial adjustments as fine as 1-2 mm. Kind of like a drill press vise mounted on a transmission jack. That is a pretty unwieldy and expensive solution though.

MIE mentioned a quick attach mount which could be patterned after what is used on the big boy excavators. That would allow you to place the ripper tooth in a hole so the BH could the use it's own controls to manipulate the attachment.

Still waiting for some TBN genius to solve this conundrum.

 

[Reg]

The problem with any system of overhead support, tree, gantry or engine crane, is that the BH itself interferes. I suppose an overhead bar with the ripper supported below and BH in the middle would work but would hardly be a simple setup.

Although I have so far failed to devise a workable solution, I believe it will be best to support the ripper from below in a device that will allow x,y,z spacial adjustments as fine as 1-2 mm. Kind of like a drill press vise mounted on a transmission jack. That is a pretty unwieldy and expensive solution though.

MIE mentioned a quick attach mount which could be patterned after what is used on the big boy excavators. That would allow you to place the ripper tooth in a hole so the BH could the use it's own controls to manipulate the attachment.

Still waiting for some TBN genius to solve this conundrum.

I may be the TBN Genius you have been looking for, first a quick note to my patent attorney - done, and I'll copy him on this post.

Basically, an engine crane can "go low" and with a shelf/platform can raise/support below overhanging structures (the hoe boom).
All you need is a platform and it would be "nice to have" a parallelogram feature that maintains that platform at the same angle relative to the horizontal (whatever that starts out to be) in the useful range, say -15, 0, +15.
The details of fine adjustment are just that - details.
A machinist's vise, or some adaptation of that would work.
Some number of turn-buckles suitably arranged in x, y and z directions could also work, just details.
Almost any semi rigid mount COULD work if you were willing to mess with pry bars and wedges (-:
Yeah, I can imagine tapping in bits of shim stock here and there to get things close enough for a tapered pin to do the rest.

(-: