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-   -   Brian Chapman's lug lining (https://www.bikeforums.net/classic-vintage/1230319-brian-chapmans-lug-lining.html)

cudak888 05-12-21 07:50 AM

Brian Chapman's lug lining
 
Perfection. Everyone should have an opportunity to see this:


-Kurt

madpogue 05-12-21 07:57 AM

Piccy no workie.

BFisher 05-12-21 08:00 AM

Worked ok for me.

Reynolds 05-12-21 08:06 AM

Works for me too. Precision!

Sir_Name 05-12-21 08:09 AM

At the top of my dream list for sure, and a very nice down to earth kinda guy.

steelbikeguy 05-12-21 08:45 AM

you can check out Brian's work on his Flickr page too....
https://www.flickr.com/photos/chapmancycles/

I think that lug lining demo might have been for this bike...

https://live.staticflickr.com/65535/...45f249_b_d.jpg

there's a lot of amazing details there!

Steve in Peoria

cudak888 05-12-21 10:04 AM


Originally Posted by steelbikeguy (Post 22056167)
you can check out Brian's work on his Flickr page too....
https://www.flickr.com/photos/chapmancycles/

I think that lug lining demo might have been for this bike...

there's a lot of amazing details there!

Steve in Peoria

Yep, it's that one. Watching the filleted "lugs" being constructed is jaw dropping.

gugie 05-12-21 10:09 AM


Originally Posted by cudak888 (Post 22056303)
Yep, it's that one. Watching the filleted "lugs" being constructed is jaw dropping.

Fillet brazing a headtube in, then hacking it out to create a "lug" on one end, slipping another tube in...insane skills.

romperrr 05-12-21 10:16 AM

I'm in love, his work is beautiful.

Prowler 05-12-21 10:34 AM

What is that lining tool called? I don't know what to search for. Am I the only one tempted to buy one?

Sir_Name 05-12-21 10:48 AM


Originally Posted by Prowler (Post 22056353)
What is that lining tool called? I don't know what to search for. Am I the only one tempted to buy one?

Fluid writer pen?

randyjawa 05-12-21 12:48 PM

Just did a search for Fluid writer pen and wow. Lots to see and not all that pricey on Amazon. Got a gift certificate for Amazon. Wonder if they work good for someone with poor eyesight and shaky hands:-)

$22.00 US...

https://cimg5.ibsrv.net/gimg/bikefor...7b4a855780.jpg

Andy_K 05-12-21 01:21 PM


Originally Posted by steelbikeguy (Post 22056167)
there's a lot of amazing details there!

His bikes have a quality that I've noticed on other bike at NAHBS. The longer you look at them, the more things you notice, seemingly without limit. Like, at first glance you think, "Wow! That's amazing!" And so you stare at it a while longer, and you see a few cool details you didn't notice at first -- like the wrap around chrome lugs on the fork. Then you go get a friend to come look at it, and you see more things you didn't pick up on the first time, maybe the internal wiring. And you keep looking, and you keep seeing more things -- perhaps the tubular yoke for the straddle cable. And that's all just from looking at the fork crown area, Truly remarkable artistry!

polymorphself 05-12-21 01:51 PM

He's the person I'm going to be getting my first custom 650b rando build from. His wait list is currently closed though, unfortunately. I've watched his work closely and devoured all the interviews I could find, awesome guy. I love the way he fabricates a lot of his own components, and often re-purposes vintage components for new functions. Here's mixte brake cable pulley done using a bellcrank from an old shimano FD (from a video on his IG). And more pictures of the bike featured above with stem, racaks brakes, cranks and probably more fabricated by Brian:

https://cimg2.ibsrv.net/gimg/bikefor...17b15044b7.png
https://cimg4.ibsrv.net/gimg/bikefor...ca0e2a4ae2.png
https://cimg8.ibsrv.net/gimg/bikefor...4ebd04f726.png
https://cimg1.ibsrv.net/gimg/bikefor...4f961528d6.png
https://cimg3.ibsrv.net/gimg/bikefor...bca3aa8e08.png
https://cimg5.ibsrv.net/gimg/bikefor...a0ef5c18f4.png

tricky 05-12-21 02:15 PM


Originally Posted by randyjawa (Post 22056520)
Just did a search for Fluid writer pen and wow. Lots to see and not all that pricey on Amazon. Got a gift certificate for Amazon. Wonder if they work good for someone with poor eyesight and shaky hands:-)

$22.00 US...

https://cimg5.ibsrv.net/gimg/bikefor...7b4a855780.jpg


Brian Chapman actually has a shake in his hands that he's mentioned in IG comments. Look at the lower portion of the video, you'll see the shake in his left hand. It makes his lug lining all the more impressive.

tricky 05-12-21 02:17 PM

Here’s another vid of him lining fenders with another cool tool (a Beugler?)


bargo68 05-12-21 02:37 PM

and he has great taste in shop tunes as well!

sced 05-12-21 02:40 PM

Not to get flamed, but almost anybody can get nearly the same results on the lugs with an ultrafine tipped paint pen. Of greater interest to me is how the rectangles et al along the tubes are done?

tricky 05-12-21 02:46 PM


Originally Posted by sced (Post 22056671)
Not to get flamed, but almost anybody can get nearly the same results on the lugs with an ultrafine tipped paint pen. Of greater interest to me is how the rectangles et al along the tubes are done?


Oof, I've tried. I wasn't able to get clean lines like that. Maybe it is easier with a fluid writer, but this man is clearly better than me regardless of the tool.

Charles Wahl 05-12-21 03:54 PM

Not to take anything away from Brian Chapman, but if you want to know how the box lining is done, freehand, watch the Taylor Brothers video, starting at about 12:01 (well, the whole thing is well worth a watch):
Favorite quotation:"The racing lads don't go in for it, y'know."
Truth be told, @sced is right: it's not that difficult to do lug lining with a fine-tipped DecoColor pen, as long as the shore is smooth enough. The hard stuff is the "in the open" work.

Vonruden 05-12-21 04:05 PM

https://cimg1.ibsrv.net/gimg/bikefor...2e670868a.jpeg
https://cimg3.ibsrv.net/gimg/bikefor...7413e2a2b.jpeg

Well worth the wait :)

noglider 05-12-21 05:56 PM

@Charles Wahl, that is quite a charming video.

BFisher 05-12-21 07:12 PM

I noticed his hand shake as well as the fact that his movement isn't continuously smooth along the joint. I'd have to guess that a fluid writer makes that less of a problem, because my experience with fine tipped paint pens is that it is more difficult to get an even line if your movement is like that. The paint can keep flowing and you end up with thicker spots.

gaucho777 05-12-21 09:45 PM


Originally Posted by tricky (Post 22056633)
Brian Chapman actually has a shake in his hands that he's mentioned in IG comments. Look at the lower portion of the video, you'll see the shake in his left hand. It makes his lug lining all the more impressive.

I noticed that as well. I kept thinking: the result looks amazing, but the movement sure seems choppy.

Charles Wahl 05-13-21 08:11 AM

Too perfect lug lining (like too perfect frame building and finishing) is unsettling to me. I much prefer to see the artifacts of "craft" and a straightforward economy of means and time spent in a "worthwhile" fashion. I know that many feel otherwise, but there it is. I have the same feeling about the whole "holy grail" thing.


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