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Put this together last summer. Finally got some green and black paint to hide the rust.

It’s a little over 6’, 12” pipe .500 thickness. And I welded on 110 3/4” x 3” long spikes.
Dry weight is 400# full of water I estimate around 800#

Also in the 3 point is a pull behind spreader I want to modify with a 12v wiper motor for fertilizer and seed spreading
 

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Chief Stick-picker-upper
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WOW!!! Great job. :bigthumb:
 

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Put this together last summer. Finally got some green and black paint to hide the rust.

It’s a little over 6’, 12” pipe .500 thickness. And I welded on 110 3/4” x 3” long spikes.
Dry weight is 400# full of water I estimate around 800#
You intrigued me with a math problem. With the .500 thickness the I.D. would be 0.916 ft and the length 5.916 ft.

The volume would be (pi) x (r x r) x (length) or 3.14 x .209 x 5.916 = 3.88 cu ft.

3.88 cu ft = 29.14 gallons

29.14 x 8.34 (weight per gallon) = 243 lb. for a total weight of ~643 lb.
 

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Discussion Starter #4
Jgayman

Length of roller (not frame) is 79” outside diameter of pipe is 13”. 12” diameter inside. I guessed around 6 cubic ft which it’s actually closer to 5.4cf at 62# per foot. Again just a guess as I have no true way to measure it’s weight
 

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I wrote a mobile app for a piledriving company I worked for that would calculate the weight of piles(pipe), and also square, octagonal piles(solid)......

at 6 feet long and 12 inches in diameter, and .5 inches thick the weight of that pipe alone is 368.46lbs.......or roughly 61.41 pounds per foot of pipe.....

so total weight minus the weight of your spikes you added on is closer to 611.46 pounds......lol

wanted to add that is seems like that'd be awfully rough on a concrete floor......but it looks awesome!
 

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Great project!

Ive got a roller made from a 24" diameter 1/2" thick pipe, 48" long.
With the frame, axle, endplates, etc, its roughly 760# empty, and 1250# full.
I overestimated the water weight before I actually calculated it...and I also assume its never completely full, always a gallon or three less, so probably never over 1200#, but thats MORE than enough for a 4' wide roller. Beats the heck out of the store bought cheapies, and it will flatten gravel too, without any damage to the roller, unlike the thin ones.
 
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