ANOTHER GRAPPLE (ROCK PICKER)

[RAECOREP]

Started making a rock grapple last week. Almost done with the main working section, waiting on fittings.
The lower arms are going to be able to add extensions on either side for brush removal. They will have 3 1" diameter by 2" pins that will slip into ends of main lower arms, then just use a couple of bolts to retain them.I haven't decided on total width yet.
I made the whole thing kinda modular so it could be changed/upgraded or different lower attachments added that I have yet to think of.
Welded a chain hook on so I can lower forks/arms on ground with grapple closed, then use upper arm opening up to uproot smaller trees & posts (that's the theory anyway).

 

[Xfaxman]

Very interesting design :thumbsup:.

Waiting for more pictures.

 

[jimmysisson]

Only problem with that theory is you have to get off and on the tractor, avoiding which is the reason some is us have grapples! I like the. Inception though and the concentration of force your narrow jaws will deliver. Cool!
Jim

 

[Red Horse]

Started making a rock grapple last week. Almost done with the main working section, waiting on fittings.
The lower arms are going to be able to add extensions on either side for brush removal. They will have 3 1" diameter by 2" pins that will slip into ends of main lower arms, then just use a couple of bolts to retain them.I haven't decided on total width yet.
I made the whole thing kinda modular so it could be changed/upgraded or different lower attachments added that I have yet to think of.
Welded a chain hook on so I can lower forks/arms on ground with grapple closed, then use upper arm opening up View attachment 356225View attachment 356226View attachment 356227View attachment 356228View attachment 356229View attachment 356230to uproot smaller trees & posts (that's the theory anyway).

Nice job! what did you use to cut the parts? Only thing I would question is perhaps as narrow as both forks are, while you are concentrating the clamping force, don't you lose the benefit of increased holding power a wider set would provide? The narrower the forks, the easier I would think a decent size rock could "spin out"