Temperament Setting Question

[Jerry Hunt]

I understand and appreciate the extent to which
setting the contiguous thirds F-A, A-C#, C#-F & F-A in
a 4:5 ration sets the foundation of a good temperament
(of the ET variety). Most of the bearing plans I've
seen start with something like "set F3 to A3 to beat
about 7bps, set C#4 to A3 to beat about 9bps, tune F4,
test that the contiguous 3rds have a 4:5 ratio..."

My question is this, having tuned the F's and the C#
and noting that the ratios aren't working out quite
right, how do I determine if the problem is the F's or
the C#?

Many thanks for your help.

Jerry Hunt
Associate Member PTG (shooting for RPT in 2000)
Dallas, TX
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