> "beerburgerandfrieswithbeer"[color=blue]
> <beerburgerandfrieswithbeer@beerburgerandfrieswithbeer.com> wrote in message
> news:K_idncc9c-dLa5fbnZ2dnUVZ_oGlnZ2d@pghconnect.com...
>[color=green]
>>Are there any rules of thumb or more precise formulas to determine how
>> head space affects the pressure of co2 when bottling beer?
>> <snip>[/color]
>Jay Seigfreid wrote:
> If you leave too little head space in the bottle, the beer will not properly
> carbonate. I don't know why, but it won't.
>
> I use a bottle filler and find when it is withdrawn, there is just the
> right amount of headspace.
>
> Keep it simple, keep it home made, relax, have a home brew. . . or something
> like that.[/color]

I've read that this is because the pressure in the bottle builds up too
quickly and inhibits the yeast before they can finish carbonating the beer.