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Forum: Framebuilders

02-25-24, 07:28 PM

Replies: 43

Modifying a frame as a prototype

Views: 2,666

Posted By bulgie

Pro tip, you can add offset without shortening...

Pro tip, you can add offset without shortening the fork (much) if you bend the blades up top, near the steerer. Some shortening is unavoidable but adding curve down near the bottom results in the...

Forum: Framebuilders

01-31-24, 06:19 AM

Replies: 43

Modifying a frame as a prototype

Views: 2,666

Posted By bulgie

Steerers with that much thread are malpractice...

Steerers with that much thread are malpractice and should be illegal. I'm not joking, I'm talking jail time. The manu knows or should bloody well know that they're unsafe, but they save a few bucks...

Forum: Framebuilders

01-21-24, 06:51 PM

Replies: 43

Modifying a frame as a prototype

Views: 2,666

Posted By bulgie

Ah, learned something new, thanks. Never seen...

Ah, learned something new, thanks. Never seen that before. Surprised the braze doesn't show on the outside; when I braze them (from the outside), the braze penetrates and is visible on the inside.

Forum: Framebuilders

01-21-24, 05:36 PM

Replies: 43

Modifying a frame as a prototype

Views: 2,666

Posted By bulgie

Excellent work, but I have a suggestion. Sorry,...

Excellent work, but I have a suggestion. Sorry, it involves fluxing and heating again, but I think it's important to braze the cylindrical part of the canti boss to the square sheetmetal part....

Forum: Framebuilders

01-21-24, 05:28 PM

Replies: 43

Modifying a frame as a prototype

Views: 2,666

Posted By bulgie

I repaired a circa 1970 PX-10 whose seat tube...

I repaired a circa 1970 PX-10 whose seat tube rusted through in one narrow band, caused by an ill-advised cork in the tube that allowed a little puddle of water to sit there, for years or decades or...

Forum: Framebuilders

01-15-24, 07:48 PM

Replies: 43

Modifying a frame as a prototype

Views: 2,666

Posted By bulgie

There's no level of small that my neighbors would...

There's no level of small that my neighbors would like. I'm in an urban neighborhood with postage-stamp sized lots. One neighbor is 10 feet from where I'd be hammering, in the driveway, since I...

Forum: Framebuilders

01-15-24, 07:23 PM

Replies: 43

Modifying a frame as a prototype

Views: 2,666

Posted By bulgie

I heard they experimented with it at Trek. The...

I heard they experimented with it at Trek. The rumor I heard was the investment-cast lugs, dropouts etc that Tim Isaac designed were intended for induction, but it didn't pan out. Don't quote me on...

Forum: Framebuilders

01-15-24, 02:50 PM

Replies: 43

Modifying a frame as a prototype

Views: 2,666

Posted By bulgie

Ugh, I watched part of one episode and turned it...

Ugh, I watched part of one episode and turned it off in disgust part way through. Contestants were given the task of making a Katana (Japanese sword), and they started with a chunk of steel as long...

Forum: Framebuilders

01-15-24, 03:36 AM

Replies: 43

Modifying a frame as a prototype

Views: 2,666

Posted By bulgie

I'm surprised 360° was hot enough. ;) But...

I'm surprised 360° was hot enough.
;)
But seriously, I'm jealous of your blacksmith setup. I have no room for a forge or even an anvil in my tiny shop, and wifey won't let me take over the back...

Forum: Framebuilders

01-14-24, 08:41 PM

Replies: 43

Modifying a frame as a prototype

Views: 2,666

Posted By bulgie

Thanks for sharing. Are you doing it at work or...

Thanks for sharing. Are you doing it at work or is that your home shop? That's a mighty anvil there, somewhat tall working height though. What's the foot-pedal around the anvil do? Do you have a...

Forum: Framebuilders

01-03-24, 03:44 PM

Replies: 43

Modifying a frame as a prototype

Views: 2,666

Posted By bulgie

I've seen some frames, Taiwanese I think, where...

I've seen some frames, Taiwanese I think, where they indented the right-side chainstay so much you can see the inside dent coming through into the outside (chainring) dent! This is a pic of a...

Forum: Framebuilders

01-02-24, 06:24 PM

Replies: 43

Modifying a frame as a prototype

Views: 2,666

Posted By bulgie

I did much the same to a mid-level UJB...

I did much the same to a mid-level UJB (Bridgestone, pre-Grant) road bike, bent the chainstays out to take 26" ballooner knobbies, in about '86-88, as a polo bike. Put canti bosses at the 559 height...

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