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Search: Posts Made By: bulgie
Showing results 1 to 50 of 597
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02-02-23, 02:22 PM
Replies: 29
Views: 547
Posted By bulgie

https://cimg2.ibsrv.net/gimg/bikeforums.net-vbulle...

https://cimg2.ibsrv.net/gimg/bikeforums.net-vbulletin/640x480/c_stay_rollercam_4408000ef976fe6e5115d234992432e1284efcf6.jpg
Above is a frame made at UBI, by one of the instructors.

This one...
02-02-23, 01:53 PM
Replies: 29
Views: 547
Posted By bulgie

The first-ever rollercams were exclusively...

The first-ever rollercams were exclusively under-chainstay mounted. Made by Charlie Cunningham for his uber-custom aluminum MTBs. Then sold as WTB brand and anyone could use them, but many people...
02-02-23, 01:23 AM
Replies: 29
Views: 547
Posted By bulgie

Thanks, I just realized I don't really have a...

Thanks, I just realized I don't really have a gallery for that bike, just a few snapshots at the mo. The baby pictures from when it was new are on 35 mm slides, never got around to scanning them....
02-01-23, 05:03 PM
Replies: 30
Views: 1,012
Posted By bulgie

Yet another toilet roll holder: ...

Yet another toilet roll holder:
https://cimg0.ibsrv.net/gimg/bikeforums.net-vbulletin/1026x1068/toilet_roll_holder_3ea34168ff97f1480545b8fe0e6250442f7eff78.jpg

The hub was cracked at a spoke...
02-01-23, 01:23 PM
Replies: 29
Views: 547
Posted By bulgie

Stop me if you've heard this one... I won a race...

Stop me if you've heard this one... I won a race thanks to chainstay rollercams!

Early days of NORBA, I'm pretty sure it was the first Norba-sanctioned race in Washington state. The entry form...
01-31-23, 09:40 PM
Replies: 29
Views: 547
Posted By bulgie

Yes, U-brakes go on Rollercam bosses and...

Yes, U-brakes go on Rollercam bosses and vice-versa, by design.
Maybe there is some exception, but definitely normal U-brakes like Shimano do fit.
Forum: Framebuilders
01-27-23, 04:55 AM
Replies: 14
Views: 533
Posted By bulgie

Sorry to totally hijack the thread, but I...

Sorry to totally hijack the thread, but I mentioned having to winch the mill down, and today I disassembled it enough that each piece can be hand-carried. No winching, maybe some wincing. :eek: But...
01-27-23, 03:42 AM
Replies: 12
Views: 541
Posted By bulgie

I don't know the brand of his bike but the crown...

I don't know the brand of his bike but the crown is a Zeus. The bike could be a Zeus, but any builder could buy that crown (I have a couple of them for example).

Mark B
Forum: Framebuilders
01-26-23, 02:57 PM
Replies: 14
Views: 533
Posted By bulgie

I've told this story here before, skip if you've...

I've told this story here before, skip if you've heard it!

When I worked elbow-to-elbow with Glenn Erickson at R+E Cycles in the early '80s, we filed all the miters at first. Naturally we got good...
01-24-23, 01:21 PM
Replies: 4
Views: 183
Posted By bulgie

Tapping French to English is very easy with the...

Tapping French to English is very easy with the right taps. It's important to get long-taper taps, and I believe these are only made for bicycle cranks, not generic machine-shop stuff. Small enough...
01-24-23, 02:34 AM
Replies: 51
Views: 1,470
Posted By bulgie

Only true for large bumps. For evidence, I...

Only true for large bumps.

For evidence, I offer the track bikes I've seen with minuscule space between the tire and the downtube. They didn't develop paint scratches on the underside of the DT...
01-23-23, 06:50 PM
Replies: 4
Views: 258
Posted By bulgie

There's only one tool for this: ...

There's only one tool for this:

https://cimg2.ibsrv.net/gimg/bikeforums.net-vbulletin/1450x593/headset_pin_tool_257e2991c730bda0fa32d22d378bf19d4de92e7b.png

Kidding! Those are super rare and...
01-23-23, 01:03 PM
Replies: 51
Views: 1,470
Posted By bulgie

Luckily, bumps make the tire move away from the...

Luckily, bumps make the tire move away from the DT, not towards it. That's for bumps that hit the bottom of the wheel, more or less straight down from the hub, which is most bumps, but the bigger an...
01-21-23, 03:22 PM
Replies: 68
Views: 1,342
Posted By bulgie

Yeah but alloy usually means aluminum, to bikies...

Yeah but alloy usually means aluminum, to bikies anyway. Not technically correct but a verbal shortcut.

When you hear "alloy rims", you don't think they're alloy steel, or bronze or anything but...
01-21-23, 03:01 PM
Replies: 51
Views: 1,470
Posted By bulgie

I didn't get into tubulars until about '73-74, my...

I didn't get into tubulars until about '73-74, my first were skinny D'Alessandro, but as soon as I saw some fat Clements I went for them. I raced in the late '70s early '80s on Del Mondos, which I...
01-21-23, 04:16 AM
Replies: 51
Views: 1,470
Posted By bulgie

IMHO a half-round file is the correct tool for...

IMHO a half-round file is the correct tool for that, it makes a smooth continuous arc automatically, versus making it with a Dremel by taking a little off here, a little there, by eye. Oops too much...
01-20-23, 10:41 PM
Replies: 49
Views: 1,846
Posted By bulgie

Oh and for the record, yes I am 753-certified. ...

Oh and for the record, yes I am 753-certified.


https://cimg3.ibsrv.net/gimg/bikeforums.net-vbulletin/846x1164/reynolds_753_diploma_93453e75c11897a97aec554668cf91f59b515845.jpg
..tho if I repair...
01-20-23, 10:25 PM
Replies: 49
Views: 1,846
Posted By bulgie

OK I got the frame from RustyJames (thanks man!)...

OK I got the frame from RustyJames (thanks man!) and disassembled the frame patches. Incredibly, both places had tight-fitting solid aluminum bars, not hollow or tubular. Lathe-turned to a diameter...
01-20-23, 06:45 PM
Replies: 68
Views: 1,342
Posted By bulgie

OK last one, I promise! (...unless I find some...

OK last one, I promise! (...unless I find some more...)

https://cimg1.ibsrv.net/gimg/bikeforums.net-vbulletin/582x359/morrow_dirt_club_e367d29ce63cee5a02b0ae9b36bb643add482e6b.jpg

The Morrow...
01-20-23, 06:26 PM
Replies: 68
Views: 1,342
Posted By bulgie

Ooh more Morrow ephemera I just found ...

Ooh more Morrow ephemera I just found
https://cimg3.ibsrv.net/gimg/bikeforums.net-vbulletin/1220x2000/morrow_1920_201_3162283be9d552acb73ef440118332212694371f.jpg...
01-20-23, 05:26 PM
Replies: 68
Views: 1,342
Posted By bulgie

I do believe the repack riders settled on...

I do believe the repack riders settled on pre-WWII Morrow coasters as the most effective and reliable of all the brands they tried. You know who would know? BF's own Repack Rider who was not only...
Forum: Framebuilders
01-20-23, 02:46 PM
Replies: 20
Views: 616
Posted By bulgie

I was gearing up to build a frame with no jig. I...

I was gearing up to build a frame with no jig. I have a flattish plate, which is actually the hot-rolled steel base of a Park double-sided repair stand. Not aerospace-flat, but definitely...
01-18-23, 10:48 PM
Replies: 12
Views: 318
Posted By bulgie

My kit came to me with all 3* sets of taps, and...

My kit came to me with all 3* sets of taps, and the matching pilots for the facer. Plus the reamer to go from French or English to Italian, and the 45 chamfer cutter for Mavic BBs! Oh and a Silva...
01-18-23, 04:57 PM
Replies: 7
Views: 319
Posted By bulgie

Jim Merz is good at this. I have done it without...

Jim Merz is good at this. I have done it without any specialized tools, but Jim has the right punches to peen the ends to look like factory. He even put a Rally top knuckle on a NR for me, and a...
01-15-23, 02:53 PM
Replies: 54
Views: 1,203
Posted By bulgie

Then you are using grease on your tapers! Unless...

Then you are using grease on your tapers! Unless you degrease with solvent or detergent, any grease means greased tapers. Even a thick wad of grease gets squished out until there is only the...
01-14-23, 06:08 PM
Replies: 54
Views: 1,203
Posted By bulgie

I don't retighten, don't even check, because I've...

I don't retighten, don't even check, because I've never seen a need to. Never had one come loose. I'm not saying this is advice for others, but it has worked for me.

I think I tighten them...
01-14-23, 02:55 PM
Replies: 44
Views: 1,454
Posted By bulgie

BTW your statement that "steel is an alloy" is...

BTW your statement that "steel is an alloy" is only true for alloy steel. Plain steel (which is most steel) has only iron and a small amount of carbon, no other metals needed.

Also your statement...
01-14-23, 01:29 PM
Replies: 30
Views: 892
Posted By bulgie

Super cool bike, much to my liking. If I could...

Super cool bike, much to my liking. If I could make one suggestion though, it'd be to shorten those dropout adjuster screws or replace them with shorter ones. I hate seeing those bent over. Unless...
01-10-23, 08:37 PM
Replies: 7
Views: 296
Posted By bulgie

What an awesome resource. Perfect reading for...

What an awesome resource. Perfect reading for sitting around getting fat in winter.

For any of you who don't know, Charlie is the real deal. Nobody else can claim such an all-encompassing...
01-10-23, 07:46 PM
Replies: 20
Views: 663
Posted By bulgie

Not necessarily; you can buy Campy replacement...

Not necessarily; you can buy Campy replacement cups for old Record hubs, it's part #738. EAI has them (https://www.euroasiaimports.com/productcart/pc/Campagnolo-738-Rear-Hub-Inserted-Race-p22006.htm)...
01-09-23, 03:03 PM
Replies: 18
Views: 677
Posted By bulgie

That may have been a post of mine you remember,...

That may have been a post of mine you remember, I've been harping on that for years. ;)

Just a gut feeling really, can't prove it, but the cracks I've seen in chainstays over the years does...
01-09-23, 01:11 AM
Replies: 18
Views: 677
Posted By bulgie

Not a good shape for...

Not a good shape for strength/stiffness/durability of the stays though. Fine enough with thick-wall stays, or low mileage and/or soft-pedaling riders. But I wouldn't do it on a lightweight frame...
Forum: Framebuilders
01-08-23, 02:45 PM
Replies: 19
Views: 813
Posted By bulgie

There are jigs that let you "design the frame"...

There are jigs that let you "design the frame" right there on the jig, and the jig more or less calculates the heattube length and height for you. Doug Fattic's laser-cut jig comes to mind as an...
01-04-23, 02:14 PM
Replies: 27
Views: 710
Posted By bulgie

Not the same as your brake but I have faced a...

Not the same as your brake but I have faced a similar issue when using vintage Mafac Tandem brakes. The longer "5-dot" tandem pads hit on the fork blades, preventing the brake from opening wide...
Forum: Framebuilders
01-01-23, 03:32 AM
Replies: 7
Views: 391
Posted By bulgie

That's not my bag, man. ;) Yes the steerer...

That's not my bag, man. ;)

Yes the steerer can be grafted to a longer one. The joint is done partway up, below where the stem quill will tighten, but above the point where steerers bend or break,...
Forum: Framebuilders
01-01-23, 03:06 AM
Replies: 24
Views: 548
Posted By bulgie

1.

1.
01-01-23, 02:58 AM
Replies: 20
Views: 511
Posted By bulgie

Here's another Bianchi, a 1960-61 Specialissima....

Here's another Bianchi, a 1960-61 Specialissima. Sorry it's not a great photo but I think you can see that the chainstay and seatstay are both flattened on the inside for clearance. The seatstay is...
01-01-23, 02:46 AM
Replies: 20
Views: 511
Posted By bulgie

Yes, the chainstay can be allowed to have some...

Yes, the chainstay can be allowed to have some "meat" inboard of the dropout, for strength, but the seatstay should be trimmed down pretty much flush with the dropout because (1) it needs less...
01-01-23, 02:22 AM
Replies: 20
Views: 511
Posted By bulgie

That's a Takahashi HNR, which stands for Hitachi...

That's a Takahashi HNR, which stands for Hitachi Nagasawa Road.
Casting by Hitachi
Design by legendary Keirin framebuilder Nagasawa, who apprenticed at De Rosa. The crown is definitly an "homage"...
Forum: Framebuilders
12-30-22, 07:50 PM
Replies: 19
Views: 411
Posted By bulgie

Not me, that'll make the eccentric a loose fit in...

Not me, that'll make the eccentric a loose fit in the frame. As I understand it (still waiting on pictures), the problem is the middle of the frame only, and the eccentric currently fits well in the...
12-30-22, 07:37 PM
Replies: 24
Views: 425
Posted By bulgie

My name is Mark and I'm a toolaholic. ...

My name is Mark and I'm a toolaholic.

https://cimg2.ibsrv.net/gimg/bikeforums.net-vbulletin/533x1200/crank_bolt_wrenches_46b0d037bfe75e46e7b865d529599bfd3f5dcbeb.jpg

Top to bottom, it's

...
Forum: Framebuilders
12-30-22, 05:52 PM
Replies: 19
Views: 411
Posted By bulgie

Ti Cycles mounts the frame in a Bridgeport and...

Ti Cycles mounts the frame in a Bridgeport and uses a boring head. Or did, back when I worked there ~25 years ago. Surprisingly easy and quick job, way easier than reaming.

Prior to working at...
12-28-22, 08:28 PM
Replies: 8,013
Views: 902,432
Posted By bulgie

Two cool things arrived today. A seat lug...

Two cool things arrived today.

A seat lug from an Exxon Graftek (early carpet-fiber frame from the '70s, for you kids too young to remember):...
12-28-22, 07:50 PM
Replies: 39
Views: 912
Posted By bulgie

Fun! Happy hunting. Do you have a bike kitchen...

Fun! Happy hunting. Do you have a bike kitchen or co-op or a place that sells used stuff? The one near me is a lot cheaper than ebay prices. Grimy old stuff is practically free.

My one...
12-28-22, 03:30 PM
Replies: 39
Views: 912
Posted By bulgie

I don't think this is true. For one thing,...

I don't think this is true. For one thing, Stronglight 93 cranks were made before JIS or ISO standards existed. The Stronglight taper was not made to any standard but their own, which is...
Forum: Framebuilders
12-27-22, 08:02 PM
Replies: 19
Views: 813
Posted By bulgie

I've admired Alex Meade's stuff from afar,...

I've admired Alex Meade's stuff from afar, haven't bought or tried any. I thought he used to show cones as a standard item but now he only shows them under the heading of Custom tooling:...
12-26-22, 04:03 PM
Replies: 80
Views: 11,051
Posted By bulgie

I thought my Hi-E rims were also epoxied at the...

I thought my Hi-E rims were also epoxied at the lap joint, not just riveted. There was some kinda spooge evident there, though maybe just accumulated grime? But my guess was epoxy.
...
12-26-22, 03:35 PM
Replies: 35
Views: 990
Posted By bulgie

Huh, so you're saying the Simplex came out first?...

Huh, so you're saying the Simplex came out first? I don't know, but I myself definitely noticed Shimano Fingertip shifters a few years before I saw my first Simplex Retrofriction. This is the first...
12-25-22, 02:26 PM
Replies: 35
Views: 990
Posted By bulgie

My guess is incorrect heat treatment or they just...

My guess is incorrect heat treatment or they just chose the wrong steel for the application. Wire that size and so lightly loaded, these could have been made to last forever. In my somewhat...
12-22-22, 11:41 PM
Replies: 10
Views: 340
Posted By bulgie

I have a DA of the same or similar vintage, same...

I have a DA of the same or similar vintage, same crack, all the way around, but my plan is to keep riding it. So far it shows no symptoms!
I'm pretty sure if I unlaced the spokes and took the axle...
Showing results 1 to 50 of 597
 


 
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