Posted by Stick welding on June 30, 2012 at 23:33:47 from (96.53.210.246):
There's a lot smart people on here that may be able to help me out. I'm fabricating a really heavy duty soil pulverizer/scarifier to break up the top 3" or 4" of hard pack on a moto-cross track. It will be similar to a Gil pulverizer but heavier without the roller on the back. I want a low maintenance implement that can be used when the ground is dry. It's too hard for a rototiller and a disc will break blades unless it's a fairly heavy disc. I could use a disc or tiller after the crust is ripped up though.
I have a 14"x105lb/ft H beam for the main frame. It will be 6' wide so my tractor can handle it. The question I have is regarding the teeth and spacing of the teeth. Originally I was going to use twenty five 1/2"x2" hardfaced flat bar teeth like similar implements use but after thinking about how good a backhoe bucket works as a rake, thought I could use pointed bucket teeth and just weld the adaptors on the beam. This would make for really easy tooth replacement. My track loader bucket is 6' wide with 8 teeth but that is too far apart and will just leave grooves like a box blade does. I was thinking 8 teeth on the front flange and 7 on the back in between the front 8. The teeth would be pointed almost straight down so they would rely on weight rather than trying to pull themselves in to the ground like a ripper tooth. I think it would be a lot easier to pull this way and I could use it in reverse as well. Do you think using the 15 bucket teeth this way would do a good job breaking up the hard packed crust? I was also thinking about making a drag attached to back (to break up lumps)made out of my old Cat tracks with triple grouser pads. The pads are in good shape but replaced because most of the bolts were loose. I'd weld the pads to the old rails and have about 3 pads for the drag that would free float over the ground. I'd make up enough sections to cover the width of the beam. Do you think this would work good to smooth things out? Thanks in advance for your thoughts.
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Today's Featured Article - Third Brush Generators - by Chris Pratt. While I love straightening sheet metal, cleaning, and painting old tractors, I use every excuse to avoid working on the on the electrics. I find the whole process sheer mystery. I have picked up and attempted to read every auto and farm electrics book with no improvement in the situation. They all seem to start with a chapter entitled "Theory of Electricity". After a few paragraphs I usually close the book and go back to banging out dents. A good friend and I were recently discussing our tractor electrical systems when he stated "I figure it all comes back to applying Ohms Law". At this point
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