Forum: Techniques
May 28th 21, 08:22 AM Posted to rec.bicycles.tech
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Replies: 14
Views: 1,092
New crank design
Frank Krygowski writes:
Pretty wild looking!
Many topology optimization results look much wilder.
Exactly what loads did they use for inputs to the software? Did the
...
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Forum: Techniques
April 6th 21, 06:54 PM Posted to rec.bicycles.tech
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Replies: 15
Views: 453
Serious Tire Questions for the uninitiated
Frank Krygowski writes:
Schwalbe says that for road tires, it's essentially cosmetic.
To my knowledge, any tread on road bike tires is called "marketing
tread" by Conti...
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Forum: Techniques
March 10th 21, 08:44 PM Posted to rec.bicycles.tech
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Replies: 41
Views: 1,770
Carbon component design news
Frank Krygowski writes:
Supposedly he was using university fatigue testing equipment to verify
its safety, which would make lots of sense. But I don't know what
loads,...
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Forum: Techniques
February 27th 21, 08:36 AM Posted to rec.bicycles.tech
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Replies: 24
Views: 587
Blowout on rear tire
AK writes:
The tech at the shop said the brakes had worn through the rim.
Sure. My road bike rims lasted about 20000 km for this reason. My
experience is that rear rims...
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Forum: Techniques
February 13th 21, 04:09 PM Posted to rec.bicycles.tech
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Replies: 16
Views: 667
Planing
" writes:
https://www.renehersecycles.com/what-is-planing/
https://www.renehersecycles.com/the-biomechanics-of-planing/
Thanks for digging up...
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Forum: Techniques
February 13th 21, 11:51 AM Posted to rec.bicycles.tech
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Replies: 140
Views: 2,658
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Forum: Techniques
February 13th 21, 11:46 AM Posted to rec.bicycles.tech
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Replies: 140
Views: 2,658
Fenders. Or maybe mudguards.
" writes:
[PBP]
Much better to ride a distance where you are happy the entire ride.
Then eat, sleep, and do it again the next day if you...
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Forum: Techniques
February 12th 21, 08:27 AM Posted to rec.bicycles.tech
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Replies: 140
Views: 2,658
Fenders. Or maybe mudguards.
" writes:
On Thursday, February 11, 2021 at 4:45:13 PM UTC-6, Axel Reichert wrote:
If I remember correctly, there was a strong correlation...
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Forum: Techniques
February 11th 21, 10:45 PM Posted to rec.bicycles.tech
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Replies: 140
Views: 2,658
Fenders. Or maybe mudguards.
Frank Krygowski writes:
I suppose the front fender adds a tiny bit of aero drag, but I suspect
the rear fender acts as a fairing
More on this he
...
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Forum: Techniques
February 10th 21, 11:01 AM Posted to rec.bicycles.tech
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Replies: 140
Views: 2,658
Fenders. Or maybe mudguards.
" writes:
Keeping that spray at a certain point on my lower leg, was the
quickest indication I had that I might be losing contact or getting
too close....
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Forum: Techniques
January 26th 21, 11:13 PM Posted to rec.bicycles.tech
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Replies: 23
Views: 635
Bike weight and climbing.
Roger Merriman writes:
Power to weight clearly matters though I suspect that power is the
most important
On the flats: Power. In the mountains: Power to weight. So in theory...
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Forum: Techniques
January 25th 21, 06:54 PM Posted to rec.bicycles.tech
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Replies: 23
Views: 635
Bike weight and climbing.
Tom Kunich writes:
the difference in climbing speed is made up for by the increase
acceleration on the downhills.
The acceleration should not be affected by the mass: More...
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Forum: Techniques
January 24th 21, 08:03 PM Posted to rec.bicycles.tech
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Replies: 26
Views: 976
Bar tape?
Sir Ridesalot writes:
Some people start at the brake lever and tape up to the stem and then
start at the brake lever again and tape down to the end of the
...
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Forum: Techniques
May 27th 20, 02:37 PM Posted to rec.bicycles.tech
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Replies: 71
Views: 2,189
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Forum: Techniques
May 26th 20, 09:35 PM Posted to rec.bicycles.tech
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Replies: 71
Views: 2,189
How flat are The Netherlands?
writes:
On Monday, May 25, 2020 at 9:11:31 AM UTC-7, Frank Krygowski wrote:
time trials tend to have slightly faster speed records where terrain
is slightly...
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Forum: Techniques
May 23rd 20, 06:32 PM Posted to rec.bicycles.tech
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Replies: 71
Views: 2,189
How flat are The Netherlands?
jbeattie writes:
many smaller ranges that are Alps-ish, like the Tetons, don't have
roads through them
Partially the consequence of a big and empty country.
IMO, just...
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Forum: Techniques
May 23rd 20, 03:32 PM Posted to rec.bicycles.tech
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Replies: 71
Views: 2,189
How flat are The Netherlands?
writes:
[Base for round trips]
passed through Merano on a one way trip. Hmmm.
There are a couple of nice dead-ends in the Etsch valley up to Reschen
pass.
Andermatt...
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Forum: Techniques
May 23rd 20, 01:16 PM Posted to rec.bicycles.tech
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Replies: 71
Views: 2,189
How flat are The Netherlands?
writes:
Ponte di Legno, Gavia
Ah, the Gavia, so beautiful. I have to do the southern side, though,
only did it from Bormio (after Stelvio).
A brutal ride was that
I can...
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Forum: Techniques
May 23rd 20, 12:27 PM Posted to rec.bicycles.tech
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Replies: 71
Views: 2,189
How flat are The Netherlands?
jbeattie writes:
https://pjammcycling.com/climb/93.Powder%20Mountain
Thanks, great site. Now do you know what "Fiets" in the "Climbing Card"
on that page means?
It is Dutch...
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Forum: Techniques
May 23rd 20, 09:52 AM Posted to rec.bicycles.tech
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Replies: 71
Views: 2,189
How flat are The Netherlands?
writes:
+1 I'm done with the stupid steep climbs with no view. The last one
was the Mortirolo. What a stupid climb was that. A goat path through a
forrest. I remember the...
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Forum: Techniques
May 22nd 20, 10:41 PM Posted to rec.bicycles.tech
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Replies: 71
Views: 2,189
How flat are The Netherlands?
Frank Krygowski writes:
I'm interested in the L * p^2 metric for climb difficulty. I've long
wondered if there was a widely recognized way of categorizing
...
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Forum: Techniques
May 22nd 20, 09:57 PM Posted to rec.bicycles.tech
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Replies: 71
Views: 2,189
How flat are The Netherlands?
Rolf Mantel writes:
which is the longest/steepest descent without any sharp bends to allow
high risk-free speeds?
Well, as I mentioned I have ridden most of the big...
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Forum: Techniques
May 22nd 20, 09:57 PM Posted to rec.bicycles.tech
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Replies: 71
Views: 2,189
How flat are The Netherlands?
Rolf Mantel writes:
which is the longest/steepest descent without any sharp bends to allow
high risk-free speeds?
Well, as I mentioned I have ridden most of the big...
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Forum: Techniques
May 22nd 20, 08:55 PM Posted to rec.bicycles.tech
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Replies: 71
Views: 2,189
How flat are The Netherlands?
Frank Krygowski writes:
the Appalachians. Like most bike tourists, I found they were much
tougher than the Rockies, even though not nearly as high. Passes we
rode in...
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Forum: Techniques
May 21st 20, 06:49 PM Posted to rec.bicycles.tech
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Replies: 71
Views: 2,189
How flat are The Netherlands?
writes:
On Thursday, May 21, 2020 at 2:56:08 AM UTC-7, wrote:
114 km [...] elevation gain of a whopping 124 m
There are many places in the lowlands...
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