Key Ratio

[Ron Nossaman]

> Key ratio values seem to be pretty slippery to me.
>  
> I measured KR on a key using the Overs linear method (he uses the top of 
> the key at the front rail pin). KR = 0.54 with the Overs method.
>  
> I did the Stanwood thing and KR = 0.48.
>  
> Then I did a modified Stanwood procedure, but instead of lining the 
> front of the key up with the little plastic stand used for that purpose, 
> I rested the key at the center of the front rail key bushing on the 
> stand (now the key front was sticking out well past the edge of the 
> little plastic stand used for that purpose) - KR = 0.51 with that 
> modification.
>  
> So which is right? Which is more useful? Which represents KR better?
>  
> Terry Farrell

Ever hear of Skinner's constant? It's the value that, added 
to, subtracted from, multiplied by, or divided into the answer 
you got - gives you the answer you should have gotten. Just 
apply the Farrell Factor to the mentioned methods, and you'll 
have it.

Ron N