[Rhodes22-list] A pint is a pound the world around - more or less, at least in the US

[Hank]

That's why I know it so well.  Weight and Balance on a Cessna 172.  Full
fuel or full passengers, pick one, but not both, lol!

On Tue, May 18, 2021 at 4:53 PM Frank Goldsmith <goldsmith.cf at gmail.com>
wrote:

> Those of us who are (or used to be) pilots are accustomed to using 6
> lb/gal as the weight of fuel (gasoline) for light aircraft.  It’s what the
> FAA weight and balance handbook uses.  I had not thought about the weight
> of water, frankly, and like Peter, I’m a little surprised that gasoline is
> so much lighter.
>
> Frank
>
> > On May 18, 2021, at 4:42 PM, Peter Nyberg <peter at sunnybeeches.com>
> wrote:
> >
> > Tom’s number for the weight of a gallon of water didn’t sound right to
> me, so I Googled it.  The internet says that a gallon of water weighs about
> 8.3 pounds, and as we know, the internet is never wrong.
> >
> > I’ve always interpreted the saying in the subject of this post in a
> couple of ways:
> >
> > 1) The number of ounces (weight) in a pound is the same as the number
> ounces (fluid) in a pint (that is, 16).  This is true in the US, but not
> ’the world around’.
> >
> > 2) The weight of 16 fluid ounces or water (a US pint) is about a pound.
> This is not exactly true, but generally close enough in most settings
> outside of a laboratory. A gallon then, consisting of 8 pints would weigh
> about 8 pounds.
> >
> > The internet also says that Hank is right about the weight of gas ( a
> quick glance at search results shows weights ranging from 6.1 to 6.6 pounds
> per gallon) .  I never would have guessed that weight difference between
> water and gas was so wide.
> >
> > Peter Nyberg
> > Coventry, CT
> > s/v Silverheels (1988/2016)
> >
> >
> >
> >> On May 18, 2021, at 3:37 PM, Tom Van Heule <
> tom.vanheule at intrinsicprograms.com> wrote:
> >>
> >> Well I know water is 7.4.... and fuel floats... But thanks for the
> >> clarification!!!
> >>
> >> On Tue, May 18, 2021, 1:40 PM Hank <hnw555 at gmail.com> wrote:
> >>
> >>> Actually, 6 gals is about 36 lbs as gas is about 6 pounds per gallon.
>
>