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Discussion Starter · #1 ·
I'm trying to determine the amount of fluid in cc's.
There are two tubes involved and I would like to know how much fluid is in the space between them.
ID of larger tube is 1.726 or 43.840mm
OD of tube that fits inside is 1.691 or 42.951mm
Length of tubes are 15" or 374mm
My crappy math comes out to 23.03 cc.
Just want a second opinion if it's correct.
Ron
 

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Discussion Starter · #5 ·
I come up with something significantly different depending on what the cylinder length is. 15" is 381 mm. 15 X 25.4
Scratch that, stupid math mistake. SMH.

When done correctly I get 23.08.
Close enough. I later added .004" bushing clearance and changed the 1.726" to 1.730, 4.4932 centimeter with all else the same and came in at 25.717cc fluid.
Ron
 

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Close enough. I later added .004" bushing clearance and changed the 1.726" to 1.730, 4.4932 centimeter with all else the same and came in at 25.717cc fluid.
...
My calculations:
larger circle:
1.730" = 43.942 mm means area = 1516.525 mm²

smaller circle:
1.691" = 42.9514 mm means area = 1448.92 mm²

difference area = 67.60441 mm²
length = 15" = 381.000 mm
volume = 25757.28 cubic mm = 25.75728 cc or mL

When using the original larger circle diameter of 1.726" (43.8404 mm) the volume came out to be 23.08848 cc
 
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