Duh! Ron warned me about playing with numbers. Thanks Thom.

-----Original Message-----
From: Thom [mailto:[email protected]] 
Sent: Wednesday, January 19, 2011 2:40 PM
To: [email protected]
Subject: RE: i could use a fitter's help

Brad? Are you serious??

Why do you need a fitter to tell you the volume of a fixed length of pipe?
100 Lf of 2" sch 40 = 18.42 gallons
100 Lf of 1" sch 40 = 4.82 gallons
Do the math! Roughly to equal the volume in 12" of 2" sch. 40 would require
about 38'-3" of 1" pipe. That is equivalent.
If you want to install 40'-0" x 1" drum drips you can prove mathematically
that they are of "Equivalent" volume.



-----Original Message-----
From: [email protected]
[mailto:[email protected]] On Behalf Of Brad
Casterline
Sent: Wednesday, January 19, 2011 11:22 AM
To: [email protected]
Subject: i could use a fitter's help

1)       Any experience with the condition of the inside wall of steel pipe
in multi-floor buildings, specifically, a difference between the pipe in the
lowest and highest floors? Was there a pump-no pump? Any thinking back,
thoughts or theories you have will be greatly appreciated.

2)       I am worried about the 'or equivalent' part of drum drips in 13,
but I do not have access to a shop. Will someone test a 1x4-0 against the
2x1-0 shown in 13?  It could be that 1x0-6 at the bottom works but 1x1-6
does not, due to some kind of reverse capillarity when the length exeeds 10
times the diameter or something. If 1" does not work all the way up, 13
should be changed to something like Minimum Diameter = 2", Minimum Capacity
= .174 gallons.

3)       Send me a whiff of cutting oil- I have not had one for 8 years and
I miss it.

 

Thanks for your time. 

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