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January 28th, 2012, 05:37 PM
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#1 (permalink)
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Country Gent
Join Date: Nov 2009
Location: West of civilisation
Age: 46
Posts: 2,431
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Chet arm diameter
I want a Chet arm(don't we all) and I think I might have a cool idea for changing out the knob. Could anyone tell me the diameter of the arm and/or the knob thread?
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January 28th, 2012, 06:19 PM
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#2 (permalink)
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Country Gent
Join Date: Feb 2009
Location: Duluth Minnesota
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The Chet arm on my White Falcon measures .246 on the arm, .238 on the arm threads, and the inside of the knob is .208 I don't have any way to tell what thread it is but they do look coarse.
Pop's
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January 28th, 2012, 06:31 PM
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#3 (permalink)
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Country Gent
Join Date: Nov 2009
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Thanks Wayne, that helps a lot. Oh and the idea...Tattoo machine grips...
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Cheers, Rich
Good deals with: Mugsy, Worknot, Synchro, Jimfog, Shreddykrugar, RCBoals, Theo314, TV thewiredturtle, 6stings, awfulguitarnois, Michiel, Jimmy Rocket, Dazzajl
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January 28th, 2012, 06:50 PM
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#4 (permalink)
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Gretschie
Join Date: Jul 2008
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Workknot is correct and very precise. I measure mine with a caliper and came up with "just a HAIR" under 1/4" for the shaft.
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January 28th, 2012, 07:26 PM
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#5 (permalink)
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Gretschie
Join Date: Nov 2011
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What the heck are you talking about?
Am I just dense tonight...?
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January 28th, 2012, 07:38 PM
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#6 (permalink)
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Country Gent
Join Date: Feb 2009
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Ricochet: What you could do is take the knob off the chet arm to a hardware store and see what size bolt it will screw onto correctly. That will tell you what the thread pattern and size should be. I would guess it is metric?? That is a cool idea by the way.
Pop's
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January 28th, 2012, 08:28 PM
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#7 (permalink)
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Country Gent
Join Date: Nov 2009
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Wayne, tnx for the suggestion. I don't have a Chet arm yet, but I need to finish up an order with the tattoo machine guy, for 3 bucks a piece I might as well throw a couple in.
I love 8-balls, but they've been pretty much done to death... 
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Cheers, Rich
Good deals with: Mugsy, Worknot, Synchro, Jimfog, Shreddykrugar, RCBoals, Theo314, TV thewiredturtle, 6stings, awfulguitarnois, Michiel, Jimmy Rocket, Dazzajl
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January 29th, 2012, 12:08 AM
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#8 (permalink)
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Moderator
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Quote:
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Originally Posted by workknot
Ricochet: What you could do is take the knob off the chet arm to a hardware store and see what size bolt it will screw onto correctly. That will tell you what the thread pattern and size should be. I would guess it is metric?? That is a cool idea by the way.
Pop's
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I wouldn't be surprised if it were English (inch) sized. Bigsbys are still MIUSA unless I'm mistaken. I played a 6122-1959 at NAMM and loved the Chet arm so I ordered one.
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January 31st, 2012, 10:15 PM
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#9 (permalink)
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Country Gent
Join Date: Nov 2009
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Quote:
Originally Posted by Synchro
I wouldn't be surprised if it were English (inch) sized. Bigsbys are still MIUSA unless I'm mistaken. I played a 6122-1959 at NAMM and loved the Chet arm so I ordered one.
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Well, the Bigsby BX0/BX00s are made in Asia(and have been for a while). And Asian manufacturers being clever like they are, I must asume threads and bolts to be metricsized. 
If you are saying a Chet arm might come in 2 different diameter sizes depending on the Bigsbys country of manufacturing, I would probably have to agree with you. 
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Cheers, Rich
Good deals with: Mugsy, Worknot, Synchro, Jimfog, Shreddykrugar, RCBoals, Theo314, TV thewiredturtle, 6stings, awfulguitarnois, Michiel, Jimmy Rocket, Dazzajl
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February 1st, 2012, 05:05 AM
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#10 (permalink)
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Gretschie
Join Date: Apr 2011
Location: rhode island
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Quote:
Originally Posted by workknot
The Chet arm on my White Falcon measures .246 on the arm, .238 on the arm threads, and the inside of the knob is .208 I don't have any way to tell what thread it is but they do look coarse.
Pop's
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threads are either 1/4 20 or 6 mm |
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February 1st, 2012, 07:40 AM
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#11 (permalink)
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Moderator
Join Date: Jun 2008
Location: Tucson, AZ
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Quote:
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Originally Posted by Ricochet
Well, the Bigsby BX0/BX00s are made in Asia(and have been for a while). And Asian manufacturers being clever like they are, I must asume threads and bolts to be metricsized.
If you are saying a Chet arm might come in 2 different diameter sizes depending on the Bigsbys country of manufacturing, I would probably have to agree with you. |
I've only seen one style of Chet arm advertised regardless. They mount to the rotating shaft of the Bigsby so if that's the same diameter on the MIUSA and the licensed ones the thread size would still be the same.
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Last edited by Synchro; February 5th, 2012 at 08:08 AM.
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June 20th, 2012, 12:58 AM
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#12 (permalink)
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Electromatic
Join Date: Aug 2011
Location: Nashville
Posts: 95
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Being nominally 1/4" diameter, another option for customizing could be a setscrewed potentiometer knob (dice perhaps?).
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June 20th, 2012, 08:27 AM
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#13 (permalink)
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Moderator
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Quote:
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Originally Posted by mike fried
Being nominally 1/4" diameter, another option for customizing could be a setscrewed potentiometer knob (dice perhaps?).
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I'd advise against it for several reasons. A knob of greater OD would restrict the downward travel of the arm significantly. For my purposes the whole poit of the Chet arm is to be able to wrap the pinky finger around it for more control.
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