Re: Liquid Ballast vs. Iron Weights

Posted by Indydirtfarmer on July 30, 2004 at 04:06:24 from (66.83.236.250):

In Reply to: Liquid Ballast vs. Iron Weights posted by 720Deere on July 29, 2004 at 06:26:53:

A few things;
First, most of the theoretical assumtions on this issue would be true IF the tractor was suspended off the ground, and the wheels were turning in mid air. They are however, not.
The biggest difference in fluid-filled vs. air-filled with iron weight is the difference in rolling resistance created when you fill the tire with fluid. That changes the entire structure of the tire.
Air (Tire pressure) pressure has a great deal to do with the changes, and how they effect the overall performance of a given tire/wheel.
Yesterday, I became "at issue" with a couple folks on the pressures I run in my tractor tires. (I don't run the same PSI constantly, or on all my tractors) The ONE tractor I was using as an example, is used quite a bit, to move round bales weighing around 1800lbs. With all that weight on the rear of the tractor, it needs higher tire pressure to remain "stable", as well as helping to reduce "rolling resistance".
In recent years, I have moved primarily to no-till cropping. I still do SOME tillage. (Mostly a mulch tiller) For those types of jobs, the pressures drop......(Also, that's where the radial tired tractors come in to play)
I'm searching for any actual "field tests" conducted by tire companies/universities/equipment manufactureres on the subject. When it's all said and done, discussion of theory vs. "real world facts" sometimes differ greatly.
Interesting topic none the less.......John

Follow Ups:

Post a Followup Name: E-Mail: Subject: Comments: Optional Link URL: Link Title: Optional Image URL: Email Notification: If you check this box, email will be sent to you whenever someone replies to this message. Your email address must be entered above to receive notification. This notification will be cancelled automatically after 2 weeks.

TRACTOR PARTS	TRACTOR MANUALS

We sell tractor parts!  We have the parts you need to repair your tractor - the right parts. Our low prices and years of research make us your best choice when you need parts. Shop Online Today. [ About Us ]