Of course, tree stumps are stubborn beasts.
Jul 27, I used a old rail tie as the lever and a 20' tow chain. The lever would've worked much better had it been vertical or tipping slightly toward the stump. Di. Drive the teeth close to the stump and turn on the machine. Raise the cutting wheel of the grinder a few inches above the front edge of the stump with the brake lever. Turn on the spinning cutting wheel and. If you need a tool that is capable of removing small trees and other unwanted, woody plants in seconds than you need an Uprooter – (Buy Now!) This professional grade device can easily clear the land of woody plants without troublesome stumps left behind from cutting.
Simply place the jaws of the Uprooter around the stem of the plant and pull the lever for easy removal. Aug 10, formula for calculating MA would be greatly appreciated.
Until you know the details of the construction, you cannot predict what will be the 'Mechanical Advantage' of any machine. MA is the actual Ratio of load force to effort force. Other forces such as friction can reduce the MA and I can see a beam there of which the mass may not be negligible.
Stump grinding is the only method that minimizes your physical workload, and delivers instant results. There's no time spent on your hands and knees digging out roots, as with manual methods, and no waiting around to see results, as you would with chemical stump removal. One of the most popular stump removal chemicals is potassium nitrate. This stump remover has several advantages over other options.
Usually coming in the form of granules, potassium nitrate makes the wood of your tree stump soft and porous- and therefore more easy to remove- without posing a risk to surrounding vegetation.