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Old 11-30-2017, 09:11 PM   #1 (permalink)
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Anybody good with Math?

Lets say I have 3k 9ci tank and I get 150 shots out of it what would the same size tank get if it was 4500?

How would you figure out shots to Cubic inch @ 3k and 4K based on my current shot count?
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Old 11-30-2017, 09:53 PM   #2 (permalink)
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Ratios. You're assuming everything else stays the same.

So the multiplier from 3k to 4.5k is 1.5. Take that multiplier against your shot count and you get 225 shots.

Zdspb has a nice chart. Look up shots per tank.
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Old 11-30-2017, 09:55 PM   #3 (permalink)
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If all goes well and your hose no leaks or anything. You can use a perportion to solve. This assumes no leaks and a perfect world but 200 is pretty dang close. Thats if same size tank. If volume changes, then this is not going to work. Perportions assume equal sized triangles, tanks etc etc

150shots/3000 = shots/4000

Cross multuply and get 3000x = 4000(150)

= (4000)(150)/3000

= 200



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Old 11-30-2017, 09:56 PM   #4 (permalink)
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Should be 6 Cubic inch tank by comparison.. Does anyone make such a tank?
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Old 11-30-2017, 09:59 PM   #5 (permalink)
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Check out the math above on how to set up the ratio

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Old 11-30-2017, 11:59 PM   #6 (permalink)
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Mathematics is all wrong. Everything you know is false.
Example:
You have three apples. (3) They multiply zero times. (X0) You still have three apples. (=3)
Or: 3X0=3
However, if you have zero apples, (0) and they multiply three times (X3) You still have zero apples. (=0)
Or: 0X3=0

Therefore, all mathematics are strictly a "Fantasy Theory" and cannot be accurate based on this undeniable fact.

Think about it, you know I'm right.
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Old 12-01-2017, 12:45 AM   #7 (permalink)
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Old 12-01-2017, 01:00 AM   #8 (permalink)
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Quote:
Originally Posted by Rusty Brass View Post
^This guy has facts.
Yup.

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Old 12-01-2017, 08:29 AM   #9 (permalink)
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Also, many fields don't have a full 4500 supply. They usually set their compressor to stop at 4500, and it does not restart for a minimum time and below a pressure of around 3900. It has been pretty rare that I get a 4500 supply, and then you have to be topping off a cool tank to walk off with that.
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Old 12-01-2017, 12:35 PM   #10 (permalink)
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Quote:
Originally Posted by THE-SHOOTIST View Post
Mathematics is all wrong. Everything you know is false.
Example:
You have three apples. (3) They multiply zero times. (X0) You still have three apples. (=3)
Or: 3X0=3
Incorrect parsing from mathematics to english. Think apples and boxes.

You have 3 apples per box, but no boxes (3x0), you have no apples.

You have 0 apples per box, and 3 boxes (0x3), you have no apples.

Thus 0x3=3x0

Symbolic expression is always more precise than written sentences, since in writing there is interpretation. You may interpret "multiply zero times" as "x0", but I interpret it as "don't multiply it" or "x1", since you're not increasing the number, just maintaining the amount already present.

Symbolic mathematics are as close to objective truth as is possible. Our spoken language is not.
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