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here is a link to one of the sites i was on the other day Link Better lives through fluid power.

Well maybe not, 30 cu ft sec is 13464 gpm, at a 10 foot head that would net 34 HP, =25KW, if I did it right. Better lives through fluid power.

I was reading about a couple of companies, that are making ac power generator systems. They use an Archimedes screw with water running through it, a gearbox and a generator, for hydroelectric power generation. I like the concept, it makes sense to me. My question for you guys is this, if I had a...

Thank you very much I will check it out Better lives through fluid power.

I thought this was place of knowledge, yet no one knows the answer to this question, come on guys surely someone knows where to find the requested data. Better lives through fluid power.

I posted this before but it got lost, so here I will try again. I am looking for the required formulas to discover how much torque is required to make a mobile robot move at the speed required. I had this data a few years ago but I have since lost it, as I recall the whole process took many...

"This topic always makes me laugh! All engineers have been taught in first year to sum the moments, very religously we sum the moments ad infinitum." Thanks for the input cockroach, I have considered that after looking at a previous post, the one thing I will point out though, I realize that...

I figured that it was a typo, the actual question was actually, using the rear wheel as a datum, and running the numbers, I could not come up with the 300lb factor, I am probably just missing a step. I will keep looking at it though. Better lives through fluid power, or Necessity, no laziness...

desert fox, I have a silly question in looking at your last post, I noticed that you had calculated the load on the rear wheel how did you get the 330lb (300lb)for the rear wheel value from? I can't see it. Better lives through fluid power, or Necessity, no laziness in the mother of invention...

Now that I have started on the spreadsheet, I got stuck, where the distance "1" has become variable, and the weights are also variable, I need to add new variables to the basic formula, is this where I say I flunked algebra? What I have so far, is L1=Wheelbase L2=Overall length, base machine...

Probably what I will do, is this, setup a counterweight system to place near the rear area of the machine, that way the axle distances will be fixed, then by moving the weight around can set up the weight at a nominal value that will work with all attachments, I have also decided to make the...

Not really, I need to know the total weight, on the drive axles, because the hydraulic wheel motors I am planning to use have a maximum radial load rating, and I need to stay well below that rating, most of the weight will be in the form of implements (attachments) that will be positioned just...

I do spreadsheets, mainly hydraulic stuff. I will build one to day for this particular problem. Thanks again, Ryan

I think I understand, the load on the front wheel(s) is 350 and the load on the rear wheels (s) is-50, so based on that the thing would probably nosedive am I reading it right? I will try some variations in load placement, I can move the CL of the 100 pound weight to the rear, a foot or so, and...

I have looked all over to find a formula I have seen in the past, one phrase I have heard is to calculate the sum of the moments, using that phrase I haven't found what I was looking for or at least it wasn't the same as I recall it. Heres what I want to do, I am working on a project similar to...

Hi gang!, I ran into a problem last night at work, a little background, I work in a metals fabrication plant, we have a hydraulically driven paint conveyor that is controlled by the in the booth(s)right now we have two paint booths and a 4 way 2 position pneumatic valve in one paint booth that...