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Search: Posts Made By: bulgie
Showing results 1 to 50 of 1000
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Forum: Classic & Vintage
05-31-24, 06:58 PM
Replies: 8
Views: 143
Posted By bulgie

Zaskar — let me know if you want a correct...

Zaskar — let me know if you want a correct Universal Mod.61 centerpull for the front (to match the rear brake). I have surplus, I'll send you one for $15 including shipping if you're in the US. Good...
Forum: Classic & Vintage
05-31-24, 06:35 PM
Replies: 22,367
Views: 4,734,516
Posted By bulgie

I don't get it — care to explain what's wacky? ...

I don't get it — care to explain what's wacky? About the saddle or the crank, either or both. Just curious.
Forum: Classic & Vintage
05-31-24, 03:57 PM
Replies: 9
Views: 191
Posted By bulgie

Check for frame damage on the Legnano, the...

Check for frame damage on the Legnano, the flaking paint near the downtube/headtube lug might be evidence that the DT was buckled from a front-end collision.

Don't throw it away if it is bent! ...
Forum: Classic & Vintage
05-30-24, 09:56 PM
Replies: 11
Views: 251
Posted By bulgie

Oh I've straightened worse! Weinmann sidepulls...

Oh I've straightened worse! Weinmann sidepulls (# 500, 730 et al) sometimes get bent by the downtube when the handlebars swing around with some force, like in a crash. I think I've straightened a...
Forum: Classic & Vintage
05-30-24, 06:58 PM
Replies: 11
Views: 251
Posted By bulgie

Here's a RAID I bought on ebay, then found it was...

Here's a RAID I bought on ebay, then found it was bent. This is the pic I sent to the seller, who refunded my money.
...
Forum: Framebuilders
05-30-24, 04:55 PM
Replies: 7
Views: 177
Posted By bulgie

My thought was a crumpled front-end repair. It's...

My thought was a crumpled front-end repair. It's nicer to have the paint off before doing frame repairs, no burning paint smoke.

Couple of those frames have expensive PMW dropouts, not likely to...
Forum: Framebuilders
05-30-24, 04:50 PM
Replies: 3
Views: 133
Posted By bulgie

I used to weigh north of 270 (now down to 240 and...

I used to weigh north of 270 (now down to 240 and still working on it), and I've always been happy on 531 frames with .8/.5-ish TT in 1" diameter. Others would feel that's too whippy, but I prefer...
Forum: Classic & Vintage
05-30-24, 04:37 PM
Replies: 11
Views: 251
Posted By bulgie

Those Racer arms are forged from good metal and...

Those Racer arms are forged from good metal and are very ductile. I have no qualms about bending them. Especially since I have done it probably a couple hundred times and that's an estimate, not an...
Forum: Classic & Vintage
05-30-24, 04:12 PM
Replies: 46
Views: 1,443
Posted By bulgie

Good catch. One tiny nit-picky correction...

Good catch.
One tiny nit-picky correction though, it is for Cambio Sport, not Gran Sport. GS didn't use the hole. I don't know when they stopped making Sport mechs but they were never very...
Forum: Classic & Vintage
05-29-24, 10:47 PM
Replies: 10
Views: 576
Posted By bulgie

I got a nicer one for free (how's that for...

I got a nicer one for free (how's that for one-upsmanship?)
I was hauling home remodel trash to the transfer station (aka dump) and there on top of the pile was a sweet Peugeot mixte, classic...
Forum: Classic & Vintage
05-29-24, 10:23 PM
Replies: 15
Views: 507
Posted By bulgie

Columbus steerers usually have helical raised...

Columbus steerers usually have helical raised ribs inside, in the lower part, that are visible from below without taking the headset apart.

Other brands have raised ribs too, such as Tange, but...
Forum: Classic & Vintage
05-29-24, 09:01 PM
Replies: 15
Views: 507
Posted By bulgie

Yeah, the thought had occurred to me. I have seen...

Yeah, the thought had occurred to me. I have seen some beautiful frames that were made by first-timers in a framebuilding class.

John Watts, my co-worker at R+E (where we made Rodriguez and...
Forum: Classic & Vintage
05-29-24, 08:44 PM
Replies: 15
Views: 507
Posted By bulgie

Yeah I guessed the lugs were HJ in post #4, and...

Yeah I guessed the lugs were HJ in post #4, and said the shell was a Cinelli.
Look at the third picture in post #9 for confirmation that the shell is Cinelli. You may need to rotate your head 180°...
Forum: Classic & Vintage
05-29-24, 03:46 PM
Replies: 3
Views: 170
Posted By bulgie

My first thought was Japanese (i.e. Keirin) but...

My first thought was Japanese (i.e. Keirin) but then I looked at the close-ups. While it looks to be well made, it's not insanely nice the way Keirin frames usually are.

Can you tell if the...
Forum: Classic & Vintage
05-29-24, 03:36 PM
Replies: 47
Views: 1,664
Posted By bulgie

This is for Record, the old Record prior to maybe...

This is for Record, the old Record prior to maybe '84. Also for Gran Sport, back when that was their top of the line ('40s-'50s)
Maybe newer hubs too but I stopped caring about Campy back in the...
Forum: Classic & Vintage
05-29-24, 03:19 AM
Replies: 15
Views: 507
Posted By bulgie

The crown could also be the Asian copy of the HJ,...

The crown could also be the Asian copy of the HJ, they were really quite shameless in copying, hard to tell them apart. I'd guess it's real HJ though, because the knockoffs came later than I think...
Forum: Classic & Vintage
05-28-24, 07:27 PM
Replies: 47
Views: 1,664
Posted By bulgie

Columbine? I know the flower isn't a columbine,...

Columbine? I know the flower isn't a columbine, but the builder could be Columbine. They were known for using a similar seatstay/seatlug joint, and definitely have the lug-filing skill to pull off...
Forum: Classic & Vintage
05-26-24, 06:05 PM
Replies: 4
Views: 272
Posted By bulgie

That's the Seattle one for sure, very familiar...

That's the Seattle one for sure, very familiar with those decals.

Mark B in Seattle
Forum: Classic & Vintage
05-26-24, 03:15 PM
Replies: 11
Views: 326
Posted By bulgie

Those are sub-optimal because they are designed...

Those are sub-optimal because they are designed to be easy to turn in one direction (tightening), resisting loosening only. They might be better than nothing, but they won't bite into both sides ,...
Forum: Classic & Vintage
05-26-24, 03:11 PM
Replies: 11
Views: 326
Posted By bulgie

We used to call them Campy "patent washers". ...

We used to call them Campy "patent washers". Dunno how widespread that terminology was, maybe just the shop where I worked in the '70s? Earlier ones had "BREV CAMP" or "PATENT" stamped in. (Brev...
Forum: Classic & Vintage
05-26-24, 05:21 AM
Replies: 11
Views: 430
Posted By bulgie

Shimano "Pecker" is a real derailer name

Just sayin'. Seen in the wild yesterday, on a funky '60s vintage folding bike.
...
Forum: Classic & Vintage
05-24-24, 02:13 PM
Replies: 1,107
Views: 391,806
Posted By bulgie

Almost always the reason is to fit fatter tires. ...

Almost always the reason is to fit fatter tires. Bikes made for 700c and short-reach brakes are a good choice because with 650b, long-reach brakes can bolt right on to reach the rim at its new lower...
Forum: Framebuilders
05-23-24, 03:26 PM
Replies: 59
Views: 2,727
Posted By bulgie

I don't need to read any academic papers to note...

I don't need to read any academic papers to note that CrMo frames welded in the 1930s and every decade since then are still being ridden (not to mention aerospace, motorsport etc.), So this is just...
Forum: Framebuilders
05-21-24, 06:18 PM
Replies: 14
Views: 403
Posted By bulgie

If you don't have paint or chrome to worry about,...

If you don't have paint or chrome to worry about, you can build up some braze (brass or nickel-silver) on the other side of the slot, then file it to shape. After paint, no one will be the wiser.
...
Forum: Framebuilders
05-20-24, 02:43 PM
Replies: 11
Views: 435
Posted By bulgie

Ha! I can weld Ti, made Ti bike frames for a...

Ha! I can weld Ti, made Ti bike frames for a living for a few years, but never made one for myself. I prefer steel. Not trying to convince anyone else though, my reasons are idiosyncratic, don't...
Forum: Classic & Vintage
05-20-24, 02:30 PM
Replies: 17
Views: 548
Posted By bulgie

Unlikely, since it almost certainly works on 28.0...

Unlikely, since it almost certainly works on 28.0 metric frames, and probably isn't fully closed up even then — can go a smidge smaller than that.

There may be a derailer made for 1-1/8" that will...
Forum: Classic & Vintage
05-20-24, 02:28 PM
Replies: 17
Views: 548
Posted By bulgie

Yes but there are rules for rounding. You don't...

Yes but there are rules for rounding. You don't get to choose whether to round up or down on a whim, and the number of significant digits shouldn't exceed the precision of your measuring device.
...
Forum: Classic & Vintage
05-19-24, 05:07 PM
Replies: 9
Views: 550
Posted By bulgie

I rode with the Boyers back then. Delightful...

I rode with the Boyers back then. Delightful family. They had 3 tandems, one for the grown-ups, and two with kidbacks so Paul and Sally could captain with Izzy and Pia stoking. I have a fond memory...
Forum: Framebuilders
05-18-24, 07:01 PM
Replies: 11
Views: 435
Posted By bulgie

My friend told me it was spec'd for Avid BB7 and...

My friend told me it was spec'd for Avid BB7 and that's what he used. He also said the order sheet specified the crank, and the tire size, with fender clearance. I only have his word to go on — I...
Forum: Framebuilders
05-18-24, 04:03 PM
Replies: 11
Views: 435
Posted By bulgie

My friend's custom Ti from China was a Habanero. ...

My friend's custom Ti from China was a Habanero. I just looked at my old emails to remind myself, this was back in 2012. Partial list of what was wrong with it:

Crank hits chainstay. Not just...
Forum: Classic & Vintage
05-18-24, 03:22 PM
Replies: 17
Views: 548
Posted By bulgie

Well maybe in an unscientific, regular-joe way,...

Well maybe in an unscientific, regular-joe way, but 28.58 absolutely does not round to 28.5, ever, in an engineering sense. That's like saying a price of $15.99 is $15. People do it all the time but...
Forum: Classic & Vintage
05-17-24, 12:42 PM
Replies: 20
Views: 621
Posted By bulgie

Alu makes a poor wind-up arbor; look for some...

Alu makes a poor wind-up arbor; look for some steel. The problem is strength. When the wind is tight, it can crush the arbor, closing up the slot, and then you can't get another piece of cloth to go...
Forum: Classic & Vintage
05-17-24, 12:19 PM
Replies: 17
Views: 548
Posted By bulgie

That's wacky! Some Campy engineer's idea of a...

That's wacky! Some Campy engineer's idea of a joke? No front derailer ever made could tell the difference of a tenth of a millimeter.

28.6 or 28.5, those are nominal dimensions really, more like a...
Forum: Framebuilders
05-16-24, 10:59 PM
Replies: 11
Views: 435
Posted By bulgie

Made in China, which has downsides compared to...

Made in China, which has downsides compared to more local.

Also they are custom-made, so the one you get may have quirks dreamed up by the original owner that he regretted later, maybe why it's...
Forum: Classic & Vintage
05-16-24, 11:43 AM
Replies: 20
Views: 621
Posted By bulgie

Agreed, especially if the headset is not a...

Agreed, especially if the headset is not a top-tier item, which might not be all that hard. Also on modern sealed-bearing headsets, the thing you press-fit on the crown isn't even a race, it's more...
Forum: Classic & Vintage
05-16-24, 10:56 AM
Replies: 20
Views: 621
Posted By bulgie

I shouldn't have stated that as a fact as if I...

I shouldn't have stated that as a fact as if I were an expert — I'm not. I should have said "I have heard that..."
How toxic it is really, I dunno, maybe only for people who do it at work every day...
Forum: Classic & Vintage
05-15-24, 09:27 PM
Replies: 20
Views: 621
Posted By bulgie

It's difficult to file chrome, partly because...

It's difficult to file chrome, partly because it's harder than your files. But also because it's difficult to keep from knicking the chrome at the bottom of the crown race seat, where rust will show...
Forum: Framebuilders
05-14-24, 09:17 PM
Replies: 3
Views: 273
Posted By bulgie

"Small" dent in the TT and you want to chop the...

"Small" dent in the TT and you want to chop the frame up? Why not just ride it? I'm trying to think if I have any bikes that don't have a dent in the TT. ;) They don't hurt the ride any.

If you...
Forum: Classic & Vintage
05-14-24, 09:03 PM
Replies: 8
Views: 415
Posted By bulgie

It isn't just centerpulls that used those,...

It isn't just centerpulls that used those, they're also found on sidepulls. Any brake really, that mounts to a round seatstay bridge with no flat spot built in. Some better frames had the flat spot...
Forum: Classic & Vintage
05-14-24, 08:11 PM
Replies: 35
Views: 1,488
Posted By bulgie

Do you have any references to back up your...

Do you have any references to back up your statements? Several of your claims I know are wrong, and some I merely suspect are wrong.

There are more than 4 makers of Ti tubes
Titanium can be...
Forum: Classic & Vintage
05-13-24, 02:42 PM
Replies: 35
Views: 1,488
Posted By bulgie

Yes it will, but only slightly less than taking...

Yes it will, but only slightly less than taking that same amount of metal and distributing it evenly all over the inside of the tube.
Assuming a cylindrical tube with a fixed outside dimension (to...
Forum: Classic & Vintage
05-13-24, 12:57 PM
Replies: 13
Views: 602
Posted By bulgie

"Cyclomuting" (on the cover) sounds like putting...

"Cyclomuting" (on the cover) sounds like putting a bike on mute. I do like a quiet bike, sign me up!

I was alarmed to read the Teledyne track frame weighs 11-1/2 lb. Strange, when their road...
Forum: Classic & Vintage
05-13-24, 12:44 PM
Replies: 35
Views: 1,488
Posted By bulgie

753 isn't a specific tubeset, it's a combination...

753 isn't a specific tubeset, it's a combination of a material (steel alloy) and all the treatment that goes into it (cold-working and heat-treating). It came in a number of different diameters and...
Forum: Framebuilders
05-12-24, 05:04 PM
Replies: 17
Views: 699
Posted By bulgie

Yep, boron strips were bonded to the rear stays...

Yep, boron strips were bonded to the rear stays after the frame was heat-treated. Not on the main triangle, which was plenty stiff enough due to the diameter. But stays are more constrained in...
Forum: Classic & Vintage
05-12-24, 04:05 PM
Replies: 21
Views: 597
Posted By bulgie

That's a good design but remember strength-wise,...

That's a good design but remember strength-wise, it's the same as a one-bolt resign. The 2 bolts are in series, not in parallel, so if either bolt breaks you're in trouble. Be sure to only use...
Forum: Classic & Vintage
05-12-24, 04:02 PM
Replies: 21
Views: 597
Posted By bulgie

This requires more info. McMaster sells "high...

This requires more info. McMaster sells "high quality" 18/8 screws that are only 70 kpsi yield*, or about half the strength of class 10.9 (alloy-steel), less than half the strength of class 12.9. My...
Forum: Classic & Vintage
05-11-24, 02:22 PM
Replies: 5
Views: 424
Posted By bulgie

I see what you did there!

I see what you did there!
Forum: Classic & Vintage
05-11-24, 01:44 PM
Replies: 21
Views: 597
Posted By bulgie

I'll be amazed and a bit disturbed if it turns...

I'll be amazed and a bit disturbed if it turns out to be M5, that is inadequate for safety. Even M6 is inadequate as a single bolt with no redundancy, unless you use a high-strength bolt.

I know...
Forum: Classic & Vintage
05-11-24, 04:38 AM
Replies: 12
Views: 479
Posted By bulgie

Yeah I need to get out more! That pez article...

Yeah I need to get out more! That pez article was eye-opening, so much talent there.
Forum: Classic & Vintage
05-10-24, 05:59 PM
Replies: 5
Views: 424
Posted By bulgie

Rob Roberson retrospective party at Joe Bell's

Joe Bell threw a party for his old friend, framebuilder Rob Roberson.
People brought their Roberson-built bikes, including customs he built under his own name, and Masi and other frames he made as...
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