Miracle guitar tuning

I've changed the way I tune my guitar strings for easy Miracles. I use
these notes now:

2 5
4 7 0<

< means lower by a diesis.

In meantone notation:

Ct Eb
D F$ A

t for half-flat, $ for half-sharp.

In 12*6 notation:

C< Eb>
D F] A

Cents-from-12-equal for tuning to 31-equal is:

D#+20
C-33
F+48
D+0
A-3
F+48

It removes the problem I found with the last tuning where the B string
was too tight, and also ties in with Dave Keenan's decimal lettering. It
isn't all decimal nominals, but I think having D and A where they should
be makes up for this. I gave it a quick try last night, and it sounds
good.

If you really want to tune to 72-equal, it'll probably be:

D#+33
C-33
F+50
D+0
A+0
F+50

But I don't think anybody has a 72-equal guitar to try it out on. It
might even work on a normal fretting. Stranger things have happened,
only two spring to mind.

Graham

--- In tuning@y..., graham@m... wrote:
> I've changed the way I tune my guitar strings for easy Miracles. I
use
> these notes now:
>
> 2 5
> 4 7 0<

What's the significance of this 2D pattern? Thanks for using "<".

> It removes the problem I found with the last tuning where the B
string
> was too tight, and also ties in with Dave Keenan's decimal
lettering.

How so. Even ignoring the accidental, if it did the same sort of thing
I did with the Miracle-10 keyboard mapping, the six strings from low
to high would be
EADGBE -> 6 0 4 8 1 6
Not that I think that would be a particularly good tuning for a
Miracle guitar.

So you've got EADGBE -> 7 0< 4 7 2 5
So the intervals between strings are
n3-P4-n3-d5-n3
|9:11|3:4|9:11|7:10|9:11|
Is that right?

What were you using previously?

If I were designing a Blackjack guitar I'd want to keep the number of
different notes to a minimum, to avoid too many split or redundant
frets.
How about
n3-P4-n3-n3-P4
7 0< 4 7 0< 4