Forum: Racing
February 17th 12, 12:24 AM Posted to rec.bicycles.racing
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Replies: 24
Views: 1,892
Are helmets saving lives?
Ryan Cousineau wrote:
http://www.stuff.co.nz/auckland/blogs/an-auckland-minute/6409714/Will-a-helmet-save-a-cyclists-life
Article answer: probably not, and a pox on Rebecca Oaten for
...
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Forum: Techniques
October 24th 11, 02:30 PM Posted to rec.bicycles.racing,rec.bicycles.tech
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Replies: 21
Views: 946
Estimating drag without a power meter
Fredmaster of Brainerd wrote:
I would rephrase it as
you're just using a work-energy equation
Yup.
you know the start
and end kinetic and potential energy, and you want to compute
the...
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Forum: Racing
October 24th 11, 02:30 PM Posted to rec.bicycles.racing,rec.bicycles.tech
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Replies: 19
Views: 982
Estimating drag without a power meter
Fredmaster of Brainerd wrote:
I would rephrase it as
you're just using a work-energy equation
Yup.
you know the start
and end kinetic and potential energy, and you want to compute
the...
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Forum: Racing
October 23rd 11, 03:54 AM Posted to rec.bicycles.racing,rec.bicycles.tech
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Replies: 19
Views: 982
Estimating drag without a power meter
Fredmaster of Brainerd wrote:
On Oct 22, 5:05 pm, "Fred on a stick"
but if we
take them as given you get an exact solution for CdA and Crr, and
for the slopes. I just meant that I didn't...
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Forum: Techniques
October 23rd 11, 03:54 AM Posted to rec.bicycles.racing,rec.bicycles.tech
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Replies: 21
Views: 946
Estimating drag without a power meter
Fredmaster of Brainerd wrote:
On Oct 22, 5:05 pm, "Fred on a stick"
but if we
take them as given you get an exact solution for CdA and Crr, and
for the slopes. I just meant that I didn't...
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Forum: Racing
October 23rd 11, 01:05 AM Posted to rec.bicycles.racing,rec.bicycles.tech
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Replies: 19
Views: 982
Estimating drag without a power meter
Fredmaster of Brainerd wrote:
Your CdA is 0.36 m^2 ( +/- 0.09 or so), your Crr is 0.0065,
and the maximum slope on the course is 0.00 or 0%, although
I don't know how you expected anyone to...
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Forum: Techniques
October 23rd 11, 01:05 AM Posted to rec.bicycles.racing,rec.bicycles.tech
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Replies: 21
Views: 946
Estimating drag without a power meter
Fredmaster of Brainerd wrote:
Your CdA is 0.36 m^2 ( +/- 0.09 or so), your Crr is 0.0065,
and the maximum slope on the course is 0.00 or 0%, although
I don't know how you expected anyone to...
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Forum: Techniques
October 22nd 11, 06:11 PM Posted to rec.bicycles.racing,rec.bicycles.tech
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Replies: 21
Views: 946
Estimating drag without a power meter
RicodJour wrote:
I was responding to he that be Jute, but I don't think FOAS is looking
to win races on his commuter. I think he's asking for assistance in
his exercise in futility. ;) As...
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Forum: Racing
October 22nd 11, 06:11 PM Posted to rec.bicycles.racing,rec.bicycles.tech
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Replies: 19
Views: 982
Estimating drag without a power meter
RicodJour wrote:
I was responding to he that be Jute, but I don't think FOAS is looking
to win races on his commuter. I think he's asking for assistance in
his exercise in futility. ;) As...
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Forum: Techniques
October 20th 11, 02:00 AM Posted to rec.bicycles.racing,rec.bicycles.tech
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Replies: 21
Views: 946
Estimating drag without a power meter
Here are speed data from two coastdowns I did a couple of days ago. The
speeds are in km/h at one second intervals. As I said, these were coast
downs so power, of course, was zero. I forgot to...
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Forum: Racing
October 20th 11, 02:00 AM Posted to rec.bicycles.racing,rec.bicycles.tech
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Replies: 19
Views: 982
Estimating drag without a power meter
Here are speed data from two coastdowns I did a couple of days ago. The
speeds are in km/h at one second intervals. As I said, these were coast
downs so power, of course, was zero. I forgot to...
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Forum: Racing
October 6th 11, 12:28 PM Posted to rec.bicycles.racing
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Replies: 66
Views: 1,188
For Chung and Asher
Fredmaster of Brainerd wrote:
Perlmutter works at LBL, he doesn't need a parking spot.
I wonder if he gets one anyway. Maybe they'll give him one
to keep Harvard or Stanford from hiring him...
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Forum: Racing
July 13th 11, 08:38 PM Posted to rec.bicycles.racing
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Replies: 2
Views: 303
Tour de France, stage 11 summary
RicodJour wrote:
On Jul 13, 2:47 pm, Bob Martin wrote:
Stage 11 : Jul 13, Blaye-les-Mines - Lavaur, 168 km
Retirements to date : Stage
John Gadret (Fra) AG2R...
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Forum: Racing
May 19th 11, 12:04 AM Posted to rec.bicycles.racing
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Replies: 6
Views: 883
Giro d'Italia, stage 11 summary
Frederick the Great wrote:
I dislike Gadret.
Is it something he did?
Something he didn't do; and then something he did. On stage 15 of last
year's...
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Forum: Racing
May 18th 11, 10:01 PM Posted to rec.bicycles.racing
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Replies: 6
Views: 883
Giro d'Italia, stage 11 summary
Simply Fred wrote:
Bob Martin wrote:
1 John Gadret (Fra) AG2R La Mondiale
3.33.11 2 Joaquim Rodriguez Oliver (Spa) Katusha Team
3 Giovanni Visconti (Ita) Farnese Vini - Neri...
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Forum: Racing
May 14th 11, 04:20 PM Posted to rec.bicycles.racing
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Replies: 0
Views: 428
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Forum: Racing
May 14th 11, 07:36 AM Posted to rec.bicycles.racing
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Replies: 12
Views: 894
Close call on a training ride
Brad Anders wrote:
There was a period during the dot-com boom that went like this:
1. Young guy who has never ridden or owned a motorcycle makes big
bucks off IPO
2. Young guy takes his...
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Forum: Racing
May 7th 11, 04:07 PM Posted to rec.bicycles.racing
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Replies: 1
Views: 640
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Forum: Techniques
May 5th 11, 07:24 PM Posted to rec.bicycles.racing,rec.bicycles.tech
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Replies: 2
Views: 205
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Forum: Racing
May 5th 11, 06:12 PM Posted to rec.bicycles.racing,rec.bicycles.tech
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Replies: 23
Views: 1,325
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Forum: Racing
April 17th 11, 09:27 PM Posted to rec.bicycles.racing
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Replies: 15
Views: 934
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Forum: Racing
April 17th 11, 09:27 PM Posted to rec.bicycles.racing
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Replies: 15
Views: 934
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Forum: Racing
April 17th 11, 04:09 PM Posted to rec.bicycles.racing
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Replies: 15
Views: 934
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Forum: Racing
April 14th 11, 12:58 AM Posted to rec.bicycles.racing
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Replies: 98
Views: 4,321
Not a good day for the Rainbow Jersey
RicodJour wrote:
PS I learned something from those links I hadn't known. I didn't
know that JvS had a tire that was leaking for the last 5K. Now he's
extra super special in my book.
Here's...
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Forum: Racing
March 26th 11, 07:41 PM Posted to rec.bicycles.racing
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Replies: 3
Views: 405
ibike pro power meter
Simply Fred wrote:
zencycle wrote:
If you can't take insults,
Fred on a stick wrote:
It took you six months to come up with that? Hmmm. Many
prescriptions are only valid for that...
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