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[Dotty]

Thanks croppie.. But you even went another way round .. Is that 0.00256 the total velocity for 1m after the multiplication..?? Won't ask any more questions. Bit confusing but I'll settle down soon
Thanks again :8:

Ahhhhhhhh I see where you're getting confused. These calculations are for volume! Don't worry about velocity! Don't even worry about pressures either!

1m of 22mm = 0.00032m3, so 8m of 22mm = 8 x 0.00032m3 = 0.00256m3

Easier?

 

[spanner]

phew.. Thanks mate.. Thinking you're actually right and to be honest with you I got jammed last night with it and it turns out without a method.. Well I'm going to weigh in now and get on the top of this ivp vf vm tomaz.. Thanks for the help boys.
You give me the need when I needed it most...
Hopefully I can do the same thing for the next contender... Cheers :sleep1::sleep1:

 

[spanner]

Fantastic croppie ... A shame that I can't owe you one..
But wish you a merry Christmas :43: