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Topic: Sho-Bud Undercarriage |
Rick Johnson
From:
Wheelwright, Ky USA
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Posted 11 Jan 2016 4:24 am |
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Look at these pics of a old Professional
that has been redone. Any idea who could
have done this? It appears to be homemade. The guitar has the Day Setup
and I'm not sure I can flip it to the Emmons Setup.
It looks like the some of the knee lever brackets
are drilled right into the cross shafts and
I'm doubting its worth the effort to rescue
this old guitar. It stays in tune and
is very quite. Any opinions on what I should do?
Rick
www.rickjohnsoncabinets.com
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Tom Gorr
From:
Three Hills, Alberta
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Posted 11 Jan 2016 4:53 am
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I can't see where the cranks are drilled through shaft...looks like the ordinary set screws that just snugs the crank onto the shaft to me.
If they are drilled through...it doesn't look difficult to exchange the cross shafts by using a screw driver to remove the cross shaft holders. |
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Rick Johnson
From:
Wheelwright, Ky USA
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Posted 11 Jan 2016 5:03 am
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Tom...the black set screw on the vertical knee lever
is drilled and tapped into the shaft so is the RKR
and LKL and LKR. I didn't put pics of the left knees
on the post.
Rick
www.rickjohnsoncabinets.com |
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Tom Gorr
From:
Three Hills, Alberta
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Posted 11 Jan 2016 9:07 am
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I guess my thinking was that changing from day to Emmons has more to do with sliding the bellcranks into the right position on each crossbar...except where there are the wrong type or number of them on the crossbar... then then the issue is getting the right ones onto the crossbar. ...
I dont see the conversion as having a whole lot to do with the way knee levers are attached... except if it involves not having sufficient adjustment for slack or travel. ... ...
I understand that I may be totally missing the issue you are presenting.... if so. . My apologies...and hopefully someone else can step in to straighten both of us out. |
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Tim Russell
From:
Pennsylvania, USA
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Posted 11 Jan 2016 12:38 pm
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As Tom stated, I feel all that would be required is moving the bellcranks to the appropriate positions for the Emmons setup. If the knee positions are comfortable for you, I would leave them in those positions.
I assume this is a 3 pedal setup? And how many knees are on this guitar? Were these guitars normally painted white underneath?
_________________
Sierra Crown D-10 |
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Ian Worley
From:
Sacramento, CA
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Posted 11 Jan 2016 2:36 pm
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This guitar would have started life as a rack and barrel. To add to what Tim and Tom said, you have the correct number of bell cranks at each location and the correct length pull rods for each pedal or lever position, it's just a matter of shifting them around so the bell cranks are in the correct positions to correspond with correct changer finger for your preferred setup, then reconnecting the appropriate length rod to each.
Assuming, as Tim noted, that you are happy with the lever locations, just plan your moves and it should only take about fifteen minutes to reconfigure, a little more to re-tune and tweak. You need to swap the bell crank positions on 'A' and 'C', and swap both sets of rods from raise to lower in the changer on the 'E' and 'F' levers. This is assuming the four levers shown in your pics are the only ones. It's not clear in your pictures what all four levers do, or which of the LLs is the 'E' lever. Are there more levers on the right?
EDIT: I see now the 4th pic shows a RKR, what does it do? Which levers are your 'E' and 'F'? BTW, that the knee lever brackets are fixed doesn't really matter (unless you wanted to relocate them along the shaft). All of the original knee brackets up to the late 70s (prior to the hex shaft undercarriage) were just a welded steel tab on a round shaft. |
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