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Winemaking (rec.crafts.winemaking) Discussion of the process, recipes, tips, techniques and general exchange of lore on the process, methods and history of wine making. Includes traditional grape wines, sparkling wines & champagnes.

specific gavity dilution calculation



 
 
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  #1 (permalink)  
Old 28-03-2005, 12:49 PM
Don S
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Default specific gavity dilution calculation

What would be the SG formula for dilution? If I had 5 gallons
of 1.050 and added 0.5 gallons of water, how would I calculate
the resulting SG?

Don
  #2 (permalink)  
Old 28-03-2005, 02:01 PM
Mike MTM
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Default

Don,

It should work out something like this: (sg x vol) + (sg x vol) = new sg
x total vol.
That is, (1.050 x 5) + (1.000 x.5) = new sg x 5.5 That comes out to
5.75 = 5.5 x new sg or 1.045 = new sg

--


Mike MTM, Cokesbury, New Jersey, USA


  #3 (permalink)  
Old 28-03-2005, 04:56 PM
Dick Adams
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Don S wrote:

What would be the SG formula for dilution? If I had 5 gallons
of 1.050 and added 0.5 gallons of water, how would I calculate
the resulting SG?


Simple way to look at it is that 1.050 means you have 50 points
per gallon. Given 5 gallons, you have a total of 250 points.
When you add 1/2 gallon of water, you still have the 250 points,
but now they are spread across 5.5 gallons.

250 points / 5.5 gallons = 45.4545... points per gallon.
So your new SG is 1.0455.

Dick
  #4 (permalink)  
Old 28-03-2005, 11:18 PM
Don S
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Default

Thanks Mike and Dick, both answers were what I was looking for.

Don

What would be the SG formula for dilution? If I had 5 gallons
of 1.050 and added 0.5 gallons of water, how would I calculate
the resulting SG?


Simple way to look at it is that 1.050 means you have 50 points
per gallon. Given 5 gallons, you have a total of 250 points.
When you add 1/2 gallon of water, you still have the 250 points,
but now they are spread across 5.5 gallons.

250 points / 5.5 gallons = 45.4545... points per gallon.
So your new SG is 1.0455.

Dick

  #5 (permalink)  
Old 28-03-2005, 11:18 PM
Don S
Usenet poster
 
Posts: n/a
Default

Thanks Mike and Dick, both answers were what I was looking for.

Don

What would be the SG formula for dilution? If I had 5 gallons
of 1.050 and added 0.5 gallons of water, how would I calculate
the resulting SG?


Simple way to look at it is that 1.050 means you have 50 points
per gallon. Given 5 gallons, you have a total of 250 points.
When you add 1/2 gallon of water, you still have the 250 points,
but now they are spread across 5.5 gallons.

250 points / 5.5 gallons = 45.4545... points per gallon.
So your new SG is 1.0455.

Dick

  #6 (permalink)  
Old 28-03-2005, 11:18 PM
Don S
Usenet poster
 
Posts: n/a
Default

Thanks Mike and Dick, both answers were what I was looking for.

Don

What would be the SG formula for dilution? If I had 5 gallons
of 1.050 and added 0.5 gallons of water, how would I calculate
the resulting SG?


Simple way to look at it is that 1.050 means you have 50 points
per gallon. Given 5 gallons, you have a total of 250 points.
When you add 1/2 gallon of water, you still have the 250 points,
but now they are spread across 5.5 gallons.

250 points / 5.5 gallons = 45.4545... points per gallon.
So your new SG is 1.0455.

Dick

 




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