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3RRL · 09-26-2008, 01:07 PM

Gary,
I was going to say what you said.
Granted, the force is high nearest the fulcrum, but at some point the 1" pin will shear and I won't have to worry about the welds any more.
The pivot point (pin an hole) is the focus of all the stress. I'm of the opinion (instead of the pin shearing), the 3/8" thick brackets would tear through the pivot hole or bend first. But i really don't think it's a problem. I'd build it today.
I'm with Larry, I'm a 2D hack too. I'd sure like to learn how to use the 3D and solid modeling features of the CAD system I have.
CAdKey 99
CadKey Workshop 21.5 ( I think)
Maybe you can't teach an old dog new tricks, or I'm just too lazy?

09-26-2008, 01:07 PM	#10 (permalink)
3RRL Super Member Join Date: Oct 2005 Location: Foothills of the Giant Sequoia's, California Posts: 6,667	Re: Loader pin root grapple Gary, I was going to say what you said. Granted, the force is high nearest the fulcrum, but at some point the 1" pin will shear and I won't have to worry about the welds any more. The pivot point (pin an hole) is the focus of all the stress. I'm of the opinion (instead of the pin shearing), the 3/8" thick brackets would tear through the pivot hole or bend first. But i really don't think it's a problem. I'd build it today. I'm with Larry, I'm a 2D hack too. I'd sure like to learn how to use the 3D and solid modeling features of the CAD system I have. CAdKey 99 CadKey Workshop 21.5 ( I think) Maybe you can't teach an old dog new tricks, or I'm just too lazy? __________________ Rob- ...The Older I get...the Better I Used to be...