Everyone

Hiroyasu Tanaka

Ice Cream Sandwich

Calculate the duct size from the offset .

I will calculate the channel length of the spiral duct and round duct .

45 degrees from 45 degrees , 90 degrees from 45 degrees , I will calculate the size at 90 degrees from 90 degrees .

Not only horizontal swing , you also calculated up and down swing .

In addition to duct also , it might be used in the piping .

If there is a demand and improvements it is accepted by review.

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Duct fitting calculator (free)

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