Re: Fuel pump down? Help!
- From: "Simon Gates" <simian@xxxxxxxxxxxxxxxxxxxxxxxxx>
- Date: Tue, 28 Feb 2006 22:40:52 -0000
Rowland McDonnell wrote:
steve auvache <dont_spam@xxxxxxxxxxxx> wrote:
Statistically speaking there is still petrol left in the tank
from it's very first fill and if the doomsayers are right you
could be in dead trouble with that if ever it gets out into the
You're mad, I tell you, absolutely bloody barking. Where do you get
these insane ideas from?
The magman is right. After 3000 miles of typical use you'll be lucky
to find the last original molecule of petrol in your tank.
3000 miles, 10 miles per litre, 300 litres. Fill up at reserve, dilute
3 litres with 15, giving 20 fills at 1:5 dilution, ends up with 1:10^14
18lt / 10^14 = 1.8E-13lt. Density is 75g/lt.
Assume we've got pure simple octane, 8x12+18x1 => 114g per mol.
So about 1.18E-13 mol of the original pertrol.
There are 6E23 molecules per mol, so after 3000 miles we're left with
71 billion of the molecules we started with.
So, only out by a little over 70 billion then, well done both of you.
ZX7RR - for track
GSXR750 - for road
GSX1100 - for sale (much cheapness, plenty bargain, ?800 to you mista)
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