Posted by mkirsch on April 28, 2011 at 10:00:33 from (64.80.110.75):
In Reply to: 20 MPG posted by Bob on April 27, 2011 at 21:22:14:
Quoting Removed, click Modern View to see
Larger tires are also wider and heavier. They have a larger contact patch with the ground, and in the case of pickup trucks, they also tend to have more aggressive tread patterns.
Hence, increased rolling resistance.
Regardless, a taller tire will require more torque to turn it. That is simple grade school physics that you can take to the bank.
There's a "sweet spot" for each vehicle where the tire height best matches the drivetrain (engine, transmission, differential) and driving conditions for best efficiency.
Whether you go larger or smaller in tire size, it causes the engine to operate outside its peak efficiency RPM range. Too large a tire causes lugging and downshifting. Too small a tire causes the engine to "over-rev."
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 ]
Today's Featured Article - Tractor Hydraulics - The Basics - by Curtis Von Fange. Hydraulics was one of the greatest inventions for helping man compound the work he can do. It’s amazing how a little floor jack can lift tons and tons of weight with just the flick of a handle. What’s even more amazing is that all the principals of hydraulic theory can be wrapped up in such a small package. This same package applies to any hydraulic system from the largest bulldozer to the oldest and smallest tractor. This short series will take a look at the basic layout of a simple hydraul
... [Read Article]
All Rights Reserved. Reproduction of any part of this website, including design and content, without written permission is strictly prohibited. Trade Marks and Trade Names contained and used in this Website are those of others, and are used in this Website in a descriptive sense to refer to the products of others. Use of this Web site constitutes acceptance of our User Agreement and Privacy Policy
TRADEMARK DISCLAIMER: Tradenames and Trademarks referred to within Yesterday's Tractor Co. products and within the Yesterday's Tractor Co. websites are the property of their respective trademark holders. None of these trademark holders are affiliated with Yesterday's Tractor Co., our products, or our website nor are we sponsored by them. John Deere and its logos are the registered trademarks of the John Deere Corporation. Agco, Agco Allis, White, Massey Ferguson and their logos are the registered trademarks of AGCO Corporation. Case, Case-IH, Farmall, International Harvester, New Holland and their logos are registered trademarks of CNH Global N.V.
