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Search: Posts Made By: Scooper
Showing results 1 to 42 of 42
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09-10-17, 07:56 AM
Replies: 33
Views: 4,759
Posted By Scooper

In 2009 I undertook a similar project with a 1973...

In 2009 I undertook a similar project with a 1973 24" Super Sport frameset, and got the weight down to 26.36 lbs. I used the TruVativ bottom bracket adapter and a Campagnolo Comp Triple group. The...
04-20-17, 11:16 AM
Replies: 41
Views: 6,625
Posted By Scooper

That is a very interesting mixte type frame. The...

That is a very interesting mixte type frame. The tubing is pretty clearly seamed, and my guess would be that it's plain gauge carbon steel. Any idea what the frameset weighs?

Did a fork come with...
Replies: 35
Views: 14,854
Posted By Scooper

That's interesting. Here's page 2 of the 1981...

That's interesting. Here's page 2 of the 1981 Bulletin 23 that clearly shows "J" is September in the serial numbers of Japanese made Schwinns, and I'm certain I've seen National/Panasonic made...
07-27-16, 03:08 PM
Replies: 34
Views: 5,087
Posted By Scooper

I'm 6' tall with a 36" leg length, so half of my...

I'm 6' tall with a 36" leg length, so half of my overall height is in my legs. Bikes that fit me best generally have 60 - 61cm seat tubes with 56cm top tubes. Such short top tubes are rare in stock...
Forum: Road Cycling
05-04-16, 10:54 AM
Replies: 156
Views: 13,432
Posted By Scooper

I'm guessing here, but I wouldn't be surprised if...

I'm guessing here, but I wouldn't be surprised if a stock KVA MS2 frame for $2,000 without fork is just too much money to attract a lot of buyers when custom steel framesets (frame and fork) can be...
02-02-16, 07:11 PM
Replies: 20
Views: 4,641
Posted By Scooper

What a tank! The spoke lacing on the rear wheel...

What a tank! The spoke lacing on the rear wheel doesn't have any crossings, but the spokes' tangents on the driveside go in the opposite direction from the spokes on the non-driveside. I've never...
02-02-16, 03:56 PM
Replies: 20
Views: 4,641
Posted By Scooper

Several Google hits state they were made from...

Several Google hits state they were made from 1984-1986, and there were only around 35 made. There's not a lot of info out there, probably because they're so rare. A pair of these sold in December on...
02-02-16, 03:40 PM
Replies: 20
Views: 4,641
Posted By Scooper

It's a late 1980s Sherrell Classic. ...

It's a late 1980s Sherrell Classic.

http://farm8.staticflickr.com/7137/7427641990_241d91de70.jpg
05-15-15, 12:04 PM
Replies: 15
Views: 8,354
Posted By Scooper

Generally, stamped dropouts are flat plate steel...

Generally, stamped dropouts are flat plate steel and forged dropouts have rounded edges and a raised surface for axle clamping (nuts or quick-release). Forged dropouts are generally preferable as...
06-26-14, 12:07 PM
Replies: 18
Views: 9,466
Posted By Scooper

BTW, in 1989 Schwinn produced a "short top tube"...

BTW, in 1989 Schwinn produced a "short top tube" Paramount for riders with proportionally long legs/short torsos like me. They're fairly rare, but show up occasionally.
...
06-20-14, 09:39 PM
Replies: 66
Views: 55,219
Posted By Scooper

A significant difference between 1030 carbon...

A significant difference between 1030 carbon steel, 4130 chromium-molybdenum (like Reynolds 501 and 525), and Reynolds 531 manganese-molybdenum is the strength - both the ultimate tensile strength...
05-28-14, 11:09 AM
Replies: 213
Views: 35,577
Posted By Scooper

Ed, you may be interested in reading about the...

Ed, you may be interested in reading about the Nervex Professional lugs since your dad's Paramount now sports them. This is a really good history, and points out that it was a very popular lugset for...
05-27-14, 02:39 PM
Replies: 213
Views: 35,577
Posted By Scooper

Ed, I've uploaded the 1939 Paramount and Superior...

Ed, I've uploaded the 1939 Paramount and Superior catalog to Photobucket HERE...
05-27-14, 12:33 PM
Replies: 213
Views: 35,577
Posted By Scooper

Well, that is definitely a 1938 serial number, so...

Well, that is definitely a 1938 serial number, so my guess is that as part of the repair, the head tube and head lugs were replaced. I doubt the whole frame would have been replaced and the original...
05-02-14, 08:57 AM
Replies: 39
Views: 8,825
Posted By Scooper

No, Aaron, I wouldn't. The Reynolds 753 Technical...

No, Aaron, I wouldn't. The Reynolds 753 Technical Advice says not to, and that's enough for me not to risk it.
Forum: Framebuilders
02-07-14, 04:09 PM
Replies: 23
Views: 48,160
Posted By Scooper

He's trying to learn, and I think should be...

He's trying to learn, and I think should be applauded for that.
11-05-13, 03:43 PM
Replies: 28
Views: 5,416
Posted By Scooper

Hi Liam, I find your comment that 753 is...

Hi Liam,

I find your comment that 753 is thinner and stiffer than 531 somewhat confusing.

The Young's Modulus (modulus of elasticity, or "stiffness") of both 531 and 753 is the same: ~200 GPa....
10-08-13, 11:07 PM
Replies: 281
Views: 37,120
Posted By Scooper

Nice looking bike. The "Made in Japan" sticker on...

Nice looking bike. The "Made in Japan" sticker on a Series 3 is puzzling.

The information on the country of origin for different PDG Series Paramounts came from Richard Schwinn in an e-mail...
07-04-13, 05:34 PM
Replies: 242
Views: 35,814
Posted By Scooper

The Waterford, hands down. I think it's because...

The Waterford, hands down. I think it's because it's so shiny.

http://i32.photobucket.com/albums/d7/k4drd/Bicycles/Waterford%20B07014/953_rs-22_drivesidefrontquartercrsm.jpg
12-17-12, 09:08 AM
Replies: 24
Views: 4,800
Posted By Scooper

Many high end American steel framebuilders have...

Many high end American steel framebuilders have switched from chrome plated mild steel lugs to polished stainless steel. They have the same appearance, but you never have to worry about the plating...
11-17-12, 06:18 PM
Replies: 196
Views: 57,658
Posted By Scooper

Coincidentally, I recently picked up a small...

Coincidentally, I recently picked up a small paperback book published in 1975 by Bike World. The title is Bicycle Frames, and the cover price is $1.95.

There's a seven page chapter, Inside the...
Replies: 18
Views: 1,165
Posted By Scooper

If the chrome plating isn't original to the bike,...

If the chrome plating isn't original to the bike, there's a good chance the plating isn't professionally done. A correctly done chrome plating job is very labor intensive requiring carefully removing...
Replies: 31
Views: 3,974
Posted By Scooper

I agree. I thought maybe the Serie Legere lugs...

I agree. I thought maybe the Serie Legere lugs were only available for French dimensioned tubing, but I have a circa 1958 Nervex catalog that states they were available for both French and English...
Replies: 31
Views: 3,974
Posted By Scooper

I e-mailed Richard Schwinn and asked him if he...

I e-mailed Richard Schwinn and asked him if he had a spare minute or two to look at the pictures of the frameset in the OP and share any thoughts he might have about its authenticity. He replied, and...
Replies: 31
Views: 3,974
Posted By Scooper

If they're Simplex dropouts, that's further...

If they're Simplex dropouts, that's further evidence it's not a Paramount. Lynn, that was a great question to ask.

I'd be very interested in knowing the top tube outside diameter. If it's French...
Replies: 31
Views: 3,974
Posted By Scooper

You might want to look at Tam Phan's early...

You might want to look at Tam Phan's early Paramount registry (http://chainedrevolution.com/registry/schwinn_paramount.aspx). There are five pages, and on page 4 are listed two frames on the registry...
01-11-11, 11:56 AM
Replies: 106
Views: 20,662
Posted By Scooper

1994 753 OS Schwinn Paramount with Chorus 11-s. ...

1994 753 OS Schwinn Paramount with Chorus 11-s.

http://i32.photobucket.com/albums/d7/k4drd/Bicycles/1994%20Paramount%20540ALWA94012/CIMG5330sm.jpg
...
01-01-11, 02:50 PM
Replies: 29
Views: 2,953
Posted By Scooper

I really wish somebody who worked for Schwinn in...

I really wish somebody who worked for Schwinn in the eighties and early nineties would compile a list of which models were made where over the years. The records have to be somewhere.

Regarding...
07-23-10, 11:33 AM
Replies: 2
Views: 2,032
Posted By Scooper

Tubular rims are the same diameter as 700c...

Tubular rims are the same diameter as 700c clinchers (622mm BSD). In the seventies, some tubular rims were erroneouly listed on bike manufacturers' brochures as "27 inch", but they're all 700c size....
Forum: Framebuilders
04-18-09, 10:11 PM
Replies: 14
Views: 21,420
Posted By Scooper

Hmmm... How can I answer your question, which is...

Hmmm... How can I answer your question, which is a quite reasonable one, without sounding like a kindergarten teacher?

All steels are alloys containing iron, carbon, and other elements like...
09-25-08, 07:01 PM
Replies: 101
Views: 29,602
Posted By Scooper

Yes. ...and here's Frank W. Schwinn's personal...

Yes. ...and here's Frank W. Schwinn's personal 1952 Paramount with Sturmey-Archer 3-speed hub.

http://i32.photobucket.com/albums/d7/k4drd/Bicycles/1952FWSchwinnParamountTourist-1.jpg
07-31-08, 07:42 AM
Replies: 55
Views: 30,819
Posted By Scooper

Marc Muller who was in charge of Paramount...

Marc Muller who was in charge of Paramount production for Schwinn from the 1980 move to Waterford until the 1993 bankruptcy, and is now Richard Schwinn's partner in Waterford Precision Cycles had...
07-25-08, 02:44 PM
Replies: 9
Views: 768
Posted By Scooper

Yep; Panasonic/National built PDG Series 2.

Yep; Panasonic/National built PDG Series 2.
07-11-07, 09:08 AM
Replies: 2,581
Views: 899,086
Posted By Scooper

I took it the OP meant a bike that has a frame...

I took it the OP meant a bike that has a frame with touring geometry (relaxed head tube and seat tube angles, relatively long chainstays/wheelbase, and dropout eyelets for mounting fenders) that...
07-11-07, 01:58 AM
Replies: 2,581
Views: 899,086
Posted By Scooper

1972 P15-9. ...

1972 P15-9.

http://i32.photobucket.com/albums/d7/k4drd/Bicycles/1972%20Chrome%20P15-9/CIMG3260med.jpg
06-13-07, 08:26 AM
Replies: 41
Views: 15,539
Posted By Scooper

I know this is heresy, but my solution to a lack...

I know this is heresy, but my solution to a lack of bottle cage braze-ons is the Profile Design Aqua Rack (http://www.profile-design.com/2006_product_pages/hydration/aquarack.html). It's a double...
02-20-07, 02:57 PM
Replies: 54
Views: 17,661
Posted By Scooper

1988 Paramount (Doh!) - Columbus SLX or...

1988

Paramount (Doh!) - Columbus SLX or SL/SP (frames above 57 cm used SL/SP mix)

Circuit - Columbus double-butted SL (SP down tube on 23" and larger frames) forged dropouts, Tange aero...
12-27-06, 11:09 PM
Replies: 43
Views: 20,271
Posted By Scooper

I think Bob means that if it's a Series 20,...

I think Bob means that if it's a Series 20, Series 30, or Series 50 it probably isn't worth much more than $50., whereas if it's a Series 70 or Series 90 it might be a bargain for $50.


The only...
03-26-06, 02:55 PM
Replies: 30
Views: 21,751
Posted By Scooper

Chrome plating a bicycle frame requires special...

Chrome plating a bicycle frame requires special skills, and not all steel tubing is suitable for chrome plating because of hydrogen embrittlement. Reynolds 531 can be successfully chrome plated.
...
11-20-05, 07:56 PM
Replies: 2,109
Views: 233,124
Posted By Scooper

Ooops! You're absolutely right. Sorry.

Ooops! You're absolutely right. Sorry.
11-20-05, 07:27 PM
Replies: 2,109
Views: 233,124
Posted By Scooper

Ummm. Too many flats, too long for the glue to...

Ummm. Too many flats, too long for the glue to dry, too messy.

Solution: Clinchers and a patch kit.

Been there, done that.
11-18-05, 11:30 PM
Replies: 26
Views: 10,626
Posted By Scooper

I'm probably getting in over my head here, but a...

I'm probably getting in over my head here, but a whole lot of "stuff" was going on at Schwinn in 1993 (the biggest being Schwinn's bankruptcy with the subsequent change in management from the Schwinn...
Showing results 1 to 42 of 42


 
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