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Search: Posts Made By: Trakhak
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Forum: General Cycling Discussion
02-18-23, 03:52 PM
Replies: 341
Views: 15,680
Posted By Trakhak

Not an engineer, but I raced hill climbs and time...

Not an engineer, but I raced hill climbs and time trials in the 1980s on a Columbus SL/SP Bianchi Specialissima Super Corsa, sometimes on Campy wheels with Mavic MA4 wheels with light Barum tubulars...
Forum: General Cycling Discussion
02-18-23, 02:11 PM
Replies: 341
Views: 15,680
Posted By Trakhak

As demonstrated at the bottom of the post quoted...

As demonstrated at the bottom of the post quoted in post 288.

If this thread or one like it is still active, I'll try to remember to provide a link the next time a bass player's forum I look at...
Forum: General Cycling Discussion
02-16-23, 03:17 PM
Replies: 341
Views: 15,680
Posted By Trakhak

I read rydabent's comments about...

I read rydabent's comments about triangular-section rims as referring to deep aero rims. They're certainly closer to being triangular in section than conventional box-section rims. Made sense to me.
Forum: General Cycling Discussion
02-15-23, 09:09 PM
Replies: 341
Views: 15,680
Posted By Trakhak

I can confirm that, as you say above, "the swings...

I can confirm that, as you say above, "the swings are actually higher with lower rotational weight." I once had a pair of Hi-E's lightest tubular wheels, which made them almost certainly the lightest...
Forum: General Cycling Discussion
02-15-23, 02:02 PM
Replies: 341
Views: 15,680
Posted By Trakhak

Maybe some people believed weight at the rim was...

Maybe some people believed weight at the rim was worth twice (or ten times; you see both claims) the equivalent weight elsewhere on the bike, back in the '70s. I started racing in the mid-'60s, and I...
Forum: General Cycling Discussion
02-13-23, 08:10 PM
Replies: 341
Views: 15,680
Posted By Trakhak

If those numbers "look too low," you're welcome...

If those numbers "look too low," you're welcome to devise your own experiments and provide your own measurements. Or you can fall back on your earlier assertion that "everyone knows" that wheel...
Forum: General Cycling Discussion
02-13-23, 06:47 PM
Replies: 341
Views: 15,680
Posted By Trakhak

Yes, and Ondrej Sosenka beat Chris Boardman's...

Yes, and Ondrej Sosenka beat Chris Boardman's Best Human Effort hour record (i.e., the record requiring the use of a Merckx-style pre-aero-era bike) using an even heavier bike. From this page...
Forum: General Cycling Discussion
02-13-23, 02:09 PM
Replies: 341
Views: 15,680
Posted By Trakhak

That asgelle's post was meant ironically will...

That asgelle's post was meant ironically will likely be lost on some reading this thread. Here's the article (https://capovelo.com/ounce-off-wheels-worth-pound-off-frame-rotational-weight-crucial/)...
Forum: General Cycling Discussion
02-08-23, 09:15 AM
Replies: 341
Views: 15,680
Posted By Trakhak

From Sheldon Brown's site: Wheel Stiffness...

From Sheldon Brown's site:

Wheel Stiffness Test (https://www.sheldonbrown.com/rinard/wheel_index.html)

Among the various points discussed on that page:

"Some believe that a wheel built with...
Showing results 1 to 9 of 9


 
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