Blakesmaster
Addicted to ArboristSite
What is the minimum dump angle to effectively be used on a chip truck. 40, 45, 50?
The longer you go the higher it will need to be, but from experience, 50 is enough for anything.
The longer you go the higher it will need to be,
but from experience, 50 is enough for anything.
What?
I am curious about the logic in greater length mandates greater angle.
I was too, I can assume greater length = greater surface area which = more friction of the load on the bed but it also = more load weight at the top which would = more force to push out the stuff beneath it. Can anyone else comment on this?
I was too, I can assume greater length = greater surface area which = more friction of the load on the bed but it also = more load weight at the top which would = more force to push out the stuff beneath it. Can anyone else comment on this?
Of course the whole load starts at the same time. And it is ususally at a steeper angle than one without experience would expect. We base our initial experience on trying to keep things on the roof, etc. (hammer,etc) but the load of debris in the dump has been stationary abit, and does resist motion.
But longer = higher ?????
If you are correct ( and your logic matches mine by the way ) the 37.8 degree angle we have on our 8 foot long ez dumper should be enough on our 12.5 foot long chip box. I guess my question at this point would be why do the majority of larger dumps I find have a 45 - 50 degree angle? Should I tell our fab guy to shoot for 45 degrees and take one to the wallet or stick to my guns that achieving 39 degrees will be sufficient?
Take out the wallet. Do it right the first time. A 12.5' long chip box is alot of chips and you dont want to be leaving a 30' swath of chips everytime you dump. At least thats what I would do. What are you running a scissors type piston setup or ram style? Scissor style is best, they require a much smaller piston to do the same, or more work. Of course i'm no pro at this stuff so...
It's a scissor lift and it looks like I need to break out the wallet and have either the piston or the pump rebuilt. I don't know squat when it comes to hydraulics but it seems that we're missing about 6 inches of piston when fully extended and I don't think your supposed to leave a puddle of fluid on the ground every time you lift. So I gotta get that sorted out first and then we'll be able to figure out exactly where it needs to be mounted in order to achieve the right angle. At least 45 degrees seems to be the general consensus?
I know with mine if you add fluid with the piston out and then try to put it in it'll puke out the breather ontop of the resevoir -must fill when piston is in then lower slowly till it purges the air! You cant tell where its leaking?? how is this??
I'm not sure what angle is good...45 sounds about right just as a guess. I would imagine you aint gonna be able to get too high due to the long body - you would have to move the scissor back to the rear, which would make it even harder for the piston to dump that long body...if this makes any sense.
You should ask nails, he's into welding/fab work. Every time I try to mess with this type of thing I end up hating on the project. lol
Of course the whole load starts at the same time. And it is ususally at a steeper angle than one without experience would expect. We base our initial experience on trying to keep things on the roof, etc. (hammer,etc) but the load of debris in the dump has been stationary abit, and does resist motion.
But longer = higher ?????
I gotta argue this one. I driven lots of dumps from 1 ton chevys to tri-axles and 45' dump trailers. The load does not all move at once. Stuff at the back has to move first to make room for the rest. I'm also a veteran of cleaning out my shorts from the load sticking to the inside of the dump body. My F550 had a 45deg dump and it was o.k.. More would have been better. My 8 ton dump truck has a 55 deg angle and that is sweet. The tris and dump trailers I've ran are around 70deg I believe. Another thing to consider tho is the steeper the dump angle the lighter it makes the front of the truck when dumping if the load sticks. Yes....Dump trucks will do wheelies if they don't fall over first.
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