OH you mean this one....ah..ha
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Here is what I just sent Winnie Winston that had the same question...
Have fun.
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"Hi Mr. Winston thanks for writing.
There are several reasons that I've run into and worked through to get these 24" scale Rack and Barrel Shobuds to play in tune.
First of all...it is so important that the string guages are right for the moving of the particular note(s); especially the unison notes...because you can't move the pulls up and down on a pull finger to get them to move at the same time like on other steels.
Secondly...the barrels have to be good. The spring in the middle as to move freely so it doesn't bind and there has to be a little bit of the spring sticking out of the small end that hits the rack.
Thirdly..ha...the changer fingers(raise and lower) have a slot in them and they fit into metal piece at the end plate...and those metal pieces have to be polished and smooth for those fingers to move perfectly and of course the three pivot points to the fingers have to be gunk free and lightly lubed; and the rods have to move straight through all the rack holes and smooth too.....ok so all that is to create zero binding anywhere...or otherwise your chasing the barrels all gig long.
Now the barrels have to be against(slightly touching) the racks at all time; even when the pedal and/or knee lever is NOT enguaged.....so that when you do enguage and unengauge...it won't sling the barrel back and de-tune it.
So in order to do that...the stops have to be timed for the pull....and some guys like a little slack in the pedal or knee change....and therefore have the slack between the barrel and the Rack...and that is a problem...and you don't need that much slack because there is an inharent slack because of the axles of the Rack..that kinda move first before the actual rack starts moving....and to me ......"that is enough".
Talking about the E9th neck and the guages.....these are the most perfect tension and balance between all tones that move in and out and/or together on a 24" scale.
.013p
.015p
.012p
.014p
.018p
.022w
.026w
.030w
.034w
.038w
Winnie; I played that ShoBud Professional Again tonight....and I can guarrentee you(Like Lloyd Green told me once when I was at his house)...nobody stomps and plays the steel as hard as I do...on the pedals and knees...ha.....and Nothing de-tuned all night...and I am HIGHLY particular about the changes and tuning being perfect for my ears and intonation.......so I am very very happy that these years and years of studying and working with all these ShoBuds....that it's paying off.
I know that sounds kinda over-confident and I don't mean it that way...but I get sooooo happy when I can succeed in a goal........and I'm doing it my Brother....cause I want history to stay alive and nobody loves the history of the ShoBud more than myself....ah...ha....we'll there are a few other nuts out there like me...ha...LOL
I'm sorry this was longish.....but you did ask....ha....and there is more...but me fingers hurt..ha.
Thanks my Brother....and I gotta tell ya......You are one of the reasons I play Pedal Steel my friend and thank you for all you do and have done for the Steel guitar."
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Hope that helps Tim...and let me know how ya do pal..
Ricky