On 16 Oct 2009, at 05:59, Captain Beeky wrote:
> I have pondered
>
> 1) Am I replacing the diesel I have used and what might has been the
> consumption split
>
> 2) Am I deciding on the likely split for the new tank
>
> I think I decided on the latter though that puts me in the position of
> possibly being unable to use the heating if my prediction turns out to
> be incorrect, or do I make an adjustment at the next fill.
>
> Obviously I keep highly detailed records and monitor the whole process
> very carefully.
Officially, it's your prediction for the fuel you've just put in. The
declaration says "x% will be used for marine propulsion". In practice
I use the figures for the tank just gone, modified a bit if I know
we'll have a different cruising pattern over the next few weeks. (We
buy diesel about once every three weeks ;-{ ).
I suspect you were being ironic, but we do keep records, using
Sheila's cunning spreadsheet (downloadable from www.nbsanity.me.uk),
as our declarations are usually either 20 or 30% so we need to be able
to justify that if challenged.
––
All the best
Bruce
Go steady, but keep going.
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