> Curt Raymond wrote: > ... so they took a truck > rear end and made it the front axle for a wagon. They powered > that axle with the PTO of the tractor. Supposedly this > arrangement could make about 20mph which I imagine to be as > fast as anybody would dare.
Some rough calculations - with guesses. tire diameter in inches 30 tire circumference in ft 7.853982 road speed, MPH 20 road speed, feet/minute 1760 tire RPM at road speed 224.09016 differential ratio 4 driveshaft (PTO) RPM 896.360639 PTO RPM is typically 540, as I recall, so 900 RPM is a bit fast. Try again with other numbers tire diameter in inches 37 tire circumference in ft 9.686577 road speed, MPH 20 road speed, feet/minute 1760 tire RPM at road speed 181.694724 differential ratio 3 driveshaft RPM 545.084173 There. With a 37" tall tire, and a axle ratio of 3:1, the numbers match up. *smiles* It's withing the realm of possible. -- Philip, avoiding work. _______________________________________ http://www.okiebenz.com For new and used parts go to www.okiebenz.com To search list archives http://www.okiebenz.com/archive/ To Unsubscribe or change delivery options go to: http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
