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Framebuilders Thinking about a custom frame? Lugged vs Fillet Brazed. Different Frame materials? Newvex or Pacenti Lugs? why get a custom Road, Mountain, or Track Frame? Got a question about framebuilding? Lets discuss framebuilding at it's finest.

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Old 03-31-11, 02:19 PM   #1
metalanton
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waltworks fork or fat chance yo-eddy tubing dimensions

I am completely new to bike building but am interested in building a walworks style mountain bike fork 26" . I would like the fork blades to be parallel. I weigh 165 and this will be for trail riding and not heavily abusive riding.. can anyone recommend tubing sizes for this fork? outside diameter and wall thickness. I am thinking of using 4130 tubing.. thanks a lot, also if you know any good sources?? can I braze weld a fork like this?
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Old 03-31-11, 03:55 PM   #2
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I think that was on Frameforum at one point. I think basically you are dealing with several parts, the blades, which are going to be the size required for the plug ins, the shoulder pieces I would be tempted to make those oversize a little but on some other similar parts I have examined, like Raleigh, they are very thin wall. And the the rest is going to be standard parts. This is not a beginner project really. Equally cool options are the Groovy Cycles box crown, and the Pacenti. And I think either of those would be safer if you have any doubts.

http://www.flickr.com/photos/duncancycles/2258295007/

http://groovycycleworks.com/CustomAccessories.aspx
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Old 04-14-11, 03:56 AM   #3
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crown tubes should be 1.25 X.058 and legs can be 1.25X.035 as long as you are not making it too long. if it's longer than 17.5 from crown to axle, I would bump the legs up to .049.

I would also consider sleeving the top couple of inches of fork leg with another piece of tube (internal) or using an external brazed gusset.
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