Craig Clayton
Platinum Member
I found a commericial machine video.
GO-FOR-DIGGER TOWABLE BACKHOE - YouTube
I think your rear drive wheels are too far forward and that they need to be moved back. I think if you skewed the legs to the back which means to move them as far possible to the rear and in that way the rear drive wheels can be pushed toward the rear. If I understand it now you need less tail weight and more tongue weight. So you move the pivot point ie the rear wheels.
Here is a non engineering idea to guess the forward balance points. Consider the rear wheels like a teeter tooters center point.We all know when the Husky kid got on the thinner kid was airborne. So if you can guess by loading the front and keeping your boom up tight that the machine is in balance, then you can estimate the foot pound distance each side of the machine has. So if 6' boom measured from the rear wheel pivot equals 7' front with blocks then both sides are balanced. if you in theory remove the blocks you are unbalanced by 400 lbs at 7'. If you estimate that the rear wheels were moved back by 1 foot then you would have 8' at 400 lbs and less weight on the boom side.
If the wheels went back 2 ' then there would be 5' on the pivot side and 9' x 400lbs on the front.
So now we had 7x400 =2800 foot pounds
8x400 =3200 foot pounds
So now we need 9x311 lbs on the front to keep it down.
I think I just broken every proper engineering term in the book. By moving the wheels back I shaved 100 lbs of counter balance off the front.
Craig Clayton
GO-FOR-DIGGER TOWABLE BACKHOE - YouTube
I think your rear drive wheels are too far forward and that they need to be moved back. I think if you skewed the legs to the back which means to move them as far possible to the rear and in that way the rear drive wheels can be pushed toward the rear. If I understand it now you need less tail weight and more tongue weight. So you move the pivot point ie the rear wheels.
Here is a non engineering idea to guess the forward balance points. Consider the rear wheels like a teeter tooters center point.We all know when the Husky kid got on the thinner kid was airborne. So if you can guess by loading the front and keeping your boom up tight that the machine is in balance, then you can estimate the foot pound distance each side of the machine has. So if 6' boom measured from the rear wheel pivot equals 7' front with blocks then both sides are balanced. if you in theory remove the blocks you are unbalanced by 400 lbs at 7'. If you estimate that the rear wheels were moved back by 1 foot then you would have 8' at 400 lbs and less weight on the boom side.
If the wheels went back 2 ' then there would be 5' on the pivot side and 9' x 400lbs on the front.
So now we had 7x400 =2800 foot pounds
8x400 =3200 foot pounds
So now we need 9x311 lbs on the front to keep it down.
I think I just broken every proper engineering term in the book. By moving the wheels back I shaved 100 lbs of counter balance off the front.
Craig Clayton