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Search: Posts Made By: scarlson
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01-13-22, 11:47 AM
Replies: 129
Views: 22,258
Posted By scarlson

Thank you for your comments!! Yeah, the turbo...

Thank you for your comments!! Yeah, the turbo torch is what I'm using for this. Aside from the fork crown, these are my first two lugged joints. I do a lot of flicking the heat away as you say. I...
01-12-22, 12:54 AM
Replies: 129
Views: 22,258
Posted By scarlson

Doug Fattic , I am sad to hear that. I probably...

Doug Fattic , I am sad to hear that. I probably won't make it, given what my next few years of career as a new PhD look like. But, equally likely to only build for myself and close friends, anyway....
01-11-22, 11:13 PM
Replies: 129
Views: 22,258
Posted By scarlson

Thanks - I got approval to join yesterday :thumb:

Thanks - I got approval to join yesterday :thumb:
01-10-22, 08:33 AM
Replies: 129
Views: 22,258
Posted By scarlson

Interesting. Do I now need some admin approval to...

Interesting. Do I now need some admin approval to see that group? It would be fun to see what others have done!
01-09-22, 10:26 PM
Replies: 129
Views: 22,258
Posted By scarlson

Little update here. First, I replaced my cracked...

Little update here. First, I replaced my cracked headtube. You can see it all here in this thread. (https://www.bikeforums.net/classic-vintage/1208138-crack-head-tube-trek-600-a-3.html)

Here are...
11-23-21, 10:38 PM
Replies: 129
Views: 22,258
Posted By scarlson

Gawd, if I had a nickel for every time a friend...

Gawd, if I had a nickel for every time a friend or relative asked me that... :lol: only they weren't joking :cry:
11-23-21, 02:55 PM
Replies: 129
Views: 22,258
Posted By scarlson

Thanks for chiming in! Always happy to hear from...

Thanks for chiming in! Always happy to hear from you on this thread, as your Frek definitely inspired me to build this thing ;)

I read a bit of the blog. I like his writing style, and can identify...
11-18-21, 06:34 PM
Replies: 129
Views: 22,258
Posted By scarlson

Here are some details of the fork wiring. I...

Here are some details of the fork wiring.
I have a DynoJack courtesy of southpawboston , wired to feed from the dynamo. The fender (and thus the front and rear lights) plug into one socket. The...
11-18-21, 06:16 PM
Replies: 129
Views: 22,258
Posted By scarlson

Tube and lugs ordered for replacing the headtube....

Tube and lugs ordered for replacing the headtube. Should be a fun learning experience!

Here are a few pics with the new fork. I've used the original Suntour droputs, and I made some braze-ons like...
11-16-21, 08:51 PM
Replies: 129
Views: 22,258
Posted By scarlson

Oh, so jealous! I hope you get to do it.

Oh, so jealous! I hope you get to do it.
11-16-21, 07:24 PM
Replies: 129
Views: 22,258
Posted By scarlson

Can't afford right now. No time, no money. As a...

Can't afford right now. No time, no money. As a PhD student-worker in the life sciences, I make less than a living wage and work 60+ hours a week, with no expectation of paid time off. I was very...
11-16-21, 03:55 PM
Replies: 129
Views: 22,258
Posted By scarlson

To bring this thread up to date: 1. I rode 130...

To bring this thread up to date:
1. I rode 130 miles, Boston to Provincetown, a couple times on this bike. It's amazing! It really helped me rediscover the joy of distance riding. It was perfect for...
08-24-20, 09:31 AM
Replies: 129
Views: 22,258
Posted By scarlson

:roflmao2: Hoarding behavior runs in my family,...

:roflmao2:
Hoarding behavior runs in my family, and I'm deciding to embrace it!! I'm calling it "radical activist ownership" because of course the Man would rather have us rent something from him...
08-20-20, 08:44 AM
Replies: 129
Views: 22,258
Posted By scarlson

Ishiwata CCL death fork crown?

I just ran across several posts in the recent Trek thread (https://www.bikeforums.net/classic-vintage/1210723-how-do-1980s-trek-bicycles-compare.html) about the Ishiwata CCL fork crown causing...
06-04-20, 07:15 PM
Replies: 129
Views: 22,258
Posted By scarlson

It would probably be fine. If I ever get the...

It would probably be fine. If I ever get the urge, maybe I'll start there.
For now, it appears that one or two people might want exact Herse reproductions, which will be a bit harder to do because...
06-04-20, 06:42 PM
Replies: 129
Views: 22,258
Posted By scarlson

You guess right! The push rod was probably the...

You guess right! The push rod was probably the hardest part. I did it with the mill, because it was solid stainless steel. It was difficult even to fixture up, with tons of V-blocks and things. Truth...
06-04-20, 06:22 PM
Replies: 129
Views: 22,258
Posted By scarlson

Full bag, as in the bag is full? Or fully there?...

Full bag, as in the bag is full? Or fully there? I'm weighing mine with pedals - Suntour Superbe Pros with alloy toe clips are about the lightest I have!

Edit: geez, the stiffener weighs 245g?!...
06-04-20, 06:19 PM
Replies: 129
Views: 22,258
Posted By scarlson

I so wish we had more gravel options here in the...

I so wish we had more gravel options here in the Boston area. I need to bring it up to Vermont to actually put it through some paces now, on steeper terrain.


Yeah I know! If older Terry Ti...
06-04-20, 11:47 AM
Replies: 129
Views: 22,258
Posted By scarlson

I've been happy with the big jump. Like I said,...

I've been happy with the big jump. Like I said, it's an instant MTB when I pull the lever, which is pretty neat. Lately my preferred triples are 24-36-48, biopace. So far, I'm not missing the middle...
06-03-20, 08:46 PM
Replies: 129
Views: 22,258
Posted By scarlson

AND now the taillight. Last piece of the puzzle! ...

AND now the taillight. Last piece of the puzzle!

I was going to make a cool taillight, like the ones Jan Heine sells. I can't afford anything from Compass except tires sometimes. So I had turned a...
06-03-20, 07:36 PM
Replies: 129
Views: 22,258
Posted By scarlson

:roflmao2: $750 for a clamp-on version....

:roflmao2:
$750 for a clamp-on version. Unpainted.

I remember Ron Cooper once remarking in an interview that either framebuilding had gotten harder in his old age, or that the trend toward...
06-03-20, 12:08 PM
Replies: 129
Views: 22,258
Posted By scarlson

So, I banged out the front derailleur. What a...

So, I banged out the front derailleur. What a pain to build! I'm going back to my roots, as I have no machine shop, filing and scraping metal in the basement.

Here it is, in stages.

First,...
05-20-20, 08:52 PM
Replies: 129
Views: 22,258
Posted By scarlson

Priorities and build options changed because of...

Priorities and build options changed because of the pandemic, so here's an update. I just want to ride this thing, and I don't have access to the machine shop for the foreseeable future, so...
01-16-20, 08:28 PM
Replies: 129
Views: 22,258
Posted By scarlson

Good to know :) May be sending an email your...

Good to know :)
May be sending an email your way sometime soon! Your spidey sense telling you the rack build must be next??

You're right, and I'm putting it off while I think about it. I want...
01-16-20, 08:22 PM
Replies: 129
Views: 22,258
Posted By scarlson

Dropout spacers

So, the rear wheel has to stay forward in the dropouts in order for the fenderline to be good. I thought about drilling and tapping for dropout adjusting screws, but I think it's a bad idea because...
01-16-20, 12:36 PM
Replies: 129
Views: 22,258
Posted By scarlson

Ha, maybe when I finish grad school and am no...

Ha, maybe when I finish grad school and am no longer indentured here. For now, come on over any time. :thumb:
01-16-20, 12:33 PM
Replies: 129
Views: 22,258
Posted By scarlson

Gotcha. Picture worth a thousand words! That...

Gotcha. Picture worth a thousand words! That seems like something I'll do when/if I revamp the Cooper. Not a bad plan, and I could TIG instead of braze since that's stainless and super easy to weld...
01-15-20, 08:44 PM
Replies: 129
Views: 22,258
Posted By scarlson

Rivets to hold the fender to the frame? Like...

Rivets to hold the fender to the frame? Like hollow ones and then have nuts under the fender? Or rivets to hold the reinforcements on? I really don't like using pop rivets, but I'd like to get into...
01-15-20, 01:49 PM
Replies: 129
Views: 22,258
Posted By scarlson

Yeah, that's right. Everybody here uses it for...

Yeah, that's right. Everybody here uses it for all manner of experimental rigs, from neurobiology to atomic physics and everything in between. It's expensive but it's easy to build nice things...
01-14-20, 09:53 PM
Replies: 129
Views: 22,258
Posted By scarlson

Rivnut Rinko

I did the thing I said I would, and reinvented the wheel. Or, rather, the fender. Close enough to the wheel, both literally and figuratively. Jokes aside, I think using rivnuts and removing the whole...
01-14-20, 09:41 PM
Replies: 129
Views: 22,258
Posted By scarlson

Lefol Holes

I think I mentioned, this summer, on French Ebay, I bought a pair of old Lefol fenders for the Trek. Old Lefol fenders almost invariably come with tons of holes drilled in them, and generally the...
01-08-20, 08:22 PM
Replies: 129
Views: 22,258
Posted By scarlson

Stainless steel rivnuts are available. The...

Stainless steel rivnuts are available. The stainless steel hardware in my other fenders seems to be doing OK, so I think this should be a fine option.

And I think the Compass rinko nut is ordinary...
01-08-20, 08:20 PM
Replies: 129
Views: 22,258
Posted By scarlson

I do like that. Nothing gets completely unscrewed...

I do like that. Nothing gets completely unscrewed so there's less chance of dropping hardware. Just so I understand this, how does the head of the bolt keep from turning when you tighten that acorn...
01-08-20, 05:37 PM
Replies: 129
Views: 22,258
Posted By scarlson

A little more frame repair. Someone messed up the...

A little more frame repair. Someone messed up the seat lug ears a little bit, turning the keyed side of a binder bolt. I turned a nice thing on the lathe and brazed it in place.
...
01-07-20, 10:28 PM
Replies: 129
Views: 22,258
Posted By scarlson

OK, I've been making some progress on the front...

OK, I've been making some progress on the front derailleur, but now waiting on sheet metal in 12 or 13ga to use for the front derailleur cage. Herse himself used 2mm metal, so I'm making mine a...
11-03-19, 11:14 PM
Replies: 129
Views: 22,258
Posted By scarlson

With a blessing like that from the frame's...

With a blessing like that from the frame's original owner, I think I no longer have a choice. Big-boned, I like that. :)
11-03-19, 08:40 PM
Replies: 129
Views: 22,258
Posted By scarlson

OK so I owe it to you lever front derailleur...

OK so I owe it to you lever front derailleur nerds, particularly ThermionicScott to bring this one back up to date. I haven't done much, and it's been out of embarrassment, mostly. Here is why.
I...
09-16-19, 02:29 PM
Replies: 129
Views: 22,258
Posted By scarlson

Ha, and give you the prototypes after I'm...

Ha, and give you the prototypes after I'm finished deciding? :lol:

That photo is off the blackbirdsf site, no? Singer made it out of Nivex parts, from what I can tell. What a great website!

I...
07-18-19, 12:32 AM
Replies: 129
Views: 22,258
Posted By scarlson

I did have this thought. Round tubing often is...

I did have this thought. Round tubing often is available in nice seamless telescoping sizes and can be easily cleaned inside and out with reamers and drills and lathe tooling. Production is, indeed,...
07-17-19, 10:22 PM
Replies: 129
Views: 22,258
Posted By scarlson

So I had already been thinking about making a...

So I had already been thinking about making a clamp-on version, because my Jack Taylor lacks anything remotely original in the front derailleur department. The thing to do is to braze the square...
07-17-19, 07:25 PM
Replies: 129
Views: 22,258
Posted By scarlson

DINGDINGDING We have a WINNERRRR :lol: Yep,...

DINGDINGDING We have a WINNERRRR :lol:

Yep, I'm doing the thing. This is what too much Bicycle Quarterly will do to you.
07-17-19, 05:13 PM
Replies: 129
Views: 22,258
Posted By scarlson

:roflmao2: Hmm, I should make one of those... ...

:roflmao2:
Hmm, I should make one of those...


Close!! (it does go on the seat tube) :)
07-17-19, 04:02 PM
Replies: 129
Views: 22,258
Posted By scarlson

Nope! Try again! Even more of all that Frenchness...

Nope! Try again! Even more of all that Frenchness than a decaleur.
07-17-19, 03:12 PM
Replies: 129
Views: 22,258
Posted By scarlson

A little something for you koolaid fanatics

I'm making another thing to braze onto my Trek. This one is very high on the BQ koolaid scale.

"Broaching" the subject .... (bad machinist joke right?!)
...
06-27-19, 11:10 PM
Replies: 129
Views: 22,258
Posted By scarlson

Little bits and bobs

Cable housing stops, I brazed with a nice low-buck jig. Basically it is a 1/4-20 socket head cap screw (For those continental types, an M6x1 would also work) stuck into the housing stop and then...
06-25-19, 08:04 PM
Replies: 129
Views: 22,258
Posted By scarlson

Here at long last, I have not forgotten about you...

Here at long last, I have not forgotten about you :)

Chainstay squeezing blocks, I filed them with the raspy part of a cheap 4-way file, which is a little domed so it helped to make a round divot....
06-25-19, 08:01 PM
Replies: 129
Views: 22,258
Posted By scarlson

I raked out the fork using a hastily-made plywood...

I raked out the fork using a hastily-made plywood tool I created with a jigsaw. It went ok. Offset (rake) is now 70mm. I overshot my goal a little, but it should be similar to the Soma Grand...
06-19-19, 03:18 PM
Replies: 129
Views: 22,258
Posted By scarlson

Mine's got about a half inch nozzle, so probably...

Mine's got about a half inch nozzle, so probably similar to the T-4 tip. It seems like it consumes more gas than half a pound per hour, but I have no idea what pressure the regulator (and yes, the...
06-15-19, 11:55 AM
Replies: 129
Views: 22,258
Posted By scarlson

When I did my first frame work, for my buddy Chip...

When I did my first frame work, for my buddy Chip up in Vermont, he got me some lfb (low fuming bronze) from his Harris guy. I told him to get me the same spec as the Gasflux C-04 but he returned...
06-14-19, 05:49 PM
Replies: 129
Views: 22,258
Posted By scarlson

You're correct, of course. As I said above, I...

You're correct, of course. As I said above, I squashed the chainstays a bit with some wooden blocks in a vise to get the required clearance. It wasn't pretty, but I have done it on other 531 frames...
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