OK, the first thing to do is to figure out the volume per inch of your 3 inch ID pipe. As you learned in high school geometry, you can calculate the volume of a solid such as a cylinder by multiplying its cross-sectional area by its volume. And the cross section of a cylinder is a circle, whose area is πr2. Therefore, the volume per inch of a 3 inch ID pipe is:
π(1.5)2 = 7 in3
As Russ pointed out, concrete weighs about 150 lbs/ft3. But we need to convert that to pounds per cubic inch. There are 144 cubic inches per cubic foot.
150 lb/ft3 ÷ 144 in3/ft3 = 1 lb/in3
Now we calculate how many cubic inches are required to make a 25 pound weight.
25 lb ÷ 1 lb/in3 = 25 in3
So we need 25 cubic inches of concrete per weight. And we calculated that the pipe has a volume of 7 cubic inches per linear inch. So:
Upload one or more videos to your post. Photo and video filesizes should be less than 5MB. Formats allowed are gif, jpg, png, ogg, mp4, mov, and avi. Be sure to use filenames without spaces or special characters, and filetypes of 3 digits lower case.
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 - Third Brush Generators - by Chris Pratt. While I love straightening sheet metal, cleaning, and painting old tractors, I use every excuse to avoid working on the on the electrics. I find the whole process sheer mystery. I have picked up and attempted to read every auto and farm electrics book with no improvement in the situation. They all seem to start with a chapter entitled "Theory of Electricity". After a few paragraphs I usually close the book and go back to banging out dents. A good friend and I were recently discussing our tractor electrical systems when he stated "I figure it all comes back to applying Ohms Law". At this point
... [Read Article]
Latest Ad:
1945 Farmall wide body gas with pto and front plow. Runs good but needs new points.
[More Ads]
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.
