--- In

tuning@yahoogroups.com, "Danny Wier" <dawiertx@s...> wrote:

> Now about 730-tone. The fifth is 427 degrees, the third is 235. It's

weak in

> 7- and 11-limit, however: 7/4 is 589 and 11/8 is 335, but both

intervals are

> a third of a degree sharp. 665-tone (fifth = 389, third = 214) has a

decent

> approximation of 7/4 (537 degrees), though 11/8 is horrible, almost

exactly

> halfway between 305 and 306.

All of which is part of why I used to use 612 instead.

> The comma in 730-tone is 13 degrees, while in 665-tone it's 12 degrees,

> which of course is divisible by 3 and 4. I'm wondering why Woolhouse

liked

> 7/26-comma meantone so much (it of course lies between third- and

> quarter-comma).

It's what you get by applying an equally-weighted least squares

analysis in the 5-limit.

> <vanity>Now here's a meantone I like: set the generator to

697.085365 cents

> (lower the fifth by one-sixth of 896/729), so the augmented fourth

is 7/5.

> 105-TET is great for this.</vanity>

I was calling that the Aaron Johnson fifth a few days back. Do you

have a prior claim? It's good for playing the Tristan chord in.