What is the travel of a rolling offset with a roll of 33 5/8 in. and a set of 32 1/4 in.
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What is the travel of a rolling offset with a roll of 33 5/8 in. and a set of 32 1/4 in.
That's a mighty big dog leg you got going. I assume you're using 45's. Are you asking the overall length of the fittings or how to figure a rolling offset?
Here's how to figure a rolling offset.
•1 Determine the rise of the pipes in question. The rise refers to how high vertically the piping system goes and is measured by referring to its highest point on the grid.
•2
Determine the spread of the piping system in question. The spread refers to the total length of the piping system horizontally along the grid and is measured by beginning at one end point and continuing until you reach the other end point.
•3
Enter the numbers that were calculated for rise and spread into the following equation: Rolling offset = the square root of the rise (squared) multiplied by the spread (squared). For example, if you were using a spread of 4 and a rise of 2, the rolling offset would be equal to the square root of 4 multiplied by 16, or 64. Use a calculator to determine the exact numerical value of your particular equation.
4-Read more: How to Calculate Rolling Offsets | eHow.com How to Calculate Rolling Offsets | eHow.com
You do the math. Good luck, Tom
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