Well Mr. Smokeydog....
First: I happen to have two "nose weights" that go under my loader backhoe. If I recall, I think they are combined right at 500 lbs. There IS a weight (in Kg) stamped on them. I don't recall what it is but it's a known quantity.
Second: I live in Greenback so I'm not terribly far from you
If you want to know and have the means to either bring your tractor here or come here and carry them back (and of course, return them! HA!) You're more than welcome to borrow them.
I'm in process of bolting them back to the underside of the backhoe however, the "washers" that keep them held up were machined for me and are slightly too large so they need some more fabricating before they'll fit into their spot so these can be bolted back on.
Meanwhile, they're just sitting here as dead weight.
Let me know if interested. If you DO have interest and ability to transport your tractor, there is plenty of room here to load/unload and move it around.
Thank you for your generous offer. Always good to have fellow TBN members near. I’ll pass for now. I was able to use the crane scale to measure the counterweight, grapple and land plane. The land plane weight confirmed by EA website.
After lifting the various know weights using the torque tube of the QA to center the center of gravity over bucket pivot and similar height. The gauge is consistent. Figuring a formula for weight not so much.
Agree the relationship is some sort of mathematical curve. Published specs shows higher lifting capacities at lower position not higher. Been my experience with other loaders being able to lift something but not load a truck. There is geometric travel component and changing moment arms that influence too.
Without a front implement attached 340psi.
I can push down and lift the tractor front end off the ground and the gauge goes to zero. Gauge capable of reading a vacuum.
Stored overnight, morning reading 500-600psi. Can relive pressure using joystick before starting and get zero. Backlight is nice.
The Means of using a loader pressure gauge as a weight scale is elusive so far. Several variables have to be considered and controlled. It is interesting seeing how this function does work. Never know till you try.