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Type: Posts; User: asgelle; Keyword(s):

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1. ## Thread: Physics of Descending

by asgelle
Replies
118
Views
2,222

### We can assume they have the same coefficient of...

We can assume they have the same coefficient of rolling resistance (after all that is what is equipment dependent). But for equal equipment, the heavier rider will have higher rolling resistance than...
2. ## Thread: Physics of Descending

by asgelle
Replies
118
Views
2,222

### That is true (but irrelevant) That is false....

That is true (but irrelevant)

That is false. Rolling resistance is the coefficient of rolling resistance times the normal force on the surface which is proportional to weight....
3. ## Thread: Physics of Descending

by asgelle
Replies
118
Views
2,222

### We're not looking at the effect. but the change...

We're not looking at the effect. but the change in the effect with changes in mass. A 20% change in mass increases the driving force from gravity by 20% and also increases the retarding force from...
4. ## Thread: Physics of Descending

by asgelle
Replies
118
Views
2,222

### How is ignoring rolling resistance splitting...

How is ignoring rolling resistance splitting hairs? There are two terms in the equation of motion that scale with mass: 1) the driving force due to gravity, and 2) the retarding force due to rolling...
5. ## Thread: Physics of Descending

by asgelle
Replies
118
Views
2,222

### Doubling weight reduces frontal area by half?

Doubling weight reduces frontal area by half?
6. ## Thread: Enclosed drive aero

by asgelle
Replies
11
Views
279

### I believe you're confusing the 3:1 aspect ratio...

I believe you're confusing the 3:1 aspect ratio rule that only UCI has with the no fairing rule which USAC certainly has and I believe applies to triathlon as well.
7. ## Thread: Enclosed drive aero

by asgelle
Replies
11
Views
279

### Fairings are illegal. It's a nonstarter for...

Fairings are illegal. It's a nonstarter for competition.
8. ## Thread: bicycle frame improvement hypes over older frames

by asgelle
Replies
38
Views
1,035

### Overend competes in road races as well.

Overend competes in road races as well.
9. ## Thread: bicycle frame improvement hypes over older frames

by asgelle
Replies
38
Views
1,035

### Ned Overend won the World Championship that year?...

Ned Overend won the World Championship that year?

Or do you mean he won a race where the level of competition was low enough that his talent could overcome the disadvantage from his equipment?
10. ## Thread: How much faster could I be?

by asgelle
Replies
84
Views
2,184

### http://www.recumbents.com/WISIL/MartinDocs/Validat...

http://www.recumbents.com/WISIL/MartinDocs/Validation%20of%20a%20mathematical%20model%20for%20road%20cycling.pdf note equations 5 and 6.
11. ## Thread: Your most successful taper plan: last week before event or race?

by asgelle
Replies
4
Views
446

### Maintain frequency, maintain intensity, decrease...

Maintain frequency, maintain intensity, decrease volume exponentially. Openers day before.
12. ## Thread: The Time Crunched Cyclist Meets Coggan

by asgelle
Replies
11
Views
778

### Have you looked? Coggan's pretty open about it....

Have you looked? Coggan's pretty open about it. http://www.peakscoachinggroup.com/archivedarticles/power_training_chapter.pdf
13. ## Thread: Rolling resistance test - Vittoria Open Corsa vs Grand Prix 4000S (700x23 clinchers)

by asgelle
Replies
6
Views
491

### Only one test of each tire? Do five tests of each...

Only one test of each tire? Do five tests of each where you let air out and re-pump to pressure so we can see how repeatable your test is. For all I know, the difference you see between tires could...
14. ## Thread: How much does a tt bike save?

by asgelle
Replies
29
Views
1,052

### Brilliant. Now would that be 2 or 3 seconds out...

Brilliant. Now would that be 2 or 3 seconds out of a minute, an hour, five hours, what?

As to the body being the primary source of drag, so what? I still need a frame to ride a bike and that added...
15. ## Thread: What is the etiquette on offering help to a cyclist walking with his bike?

by asgelle
Replies
53
Views
1,898

### Here's what I know. I've been interrupted...

Here's what I know. I've been interrupted literally hundreds of times when I was fixing a flat or doing some other minor repair and it just slowed me down. The one time I needed help, I didn't wait...

by asgelle
Replies
25
Views
987

### You must be applying special bicycle-only...

You must be applying special bicycle-only physics. Run the numbers; acceleration effects are at least two orders of magnitude smaller than other resistive forces. Wheel Performance
17. ## Thread: Power Meter>>>Decisions decsions.......

by asgelle
Replies
86
Views
2,089

### What's the first rule of holes again?

What's the first rule of holes again?
18. ## Thread: Power Meter>>>Decisions decsions.......

by asgelle
Replies
86
Views
2,089

### I've also found that power meters do a very poor...

I've also found that power meters do a very poor job making waffles.
19. ## Thread: Nitrogen filled tires.

by asgelle
Replies
59
Views
1,654

### Logically that's not true. Filling a tire with a...

Logically that's not true. Filling a tire with a pump continues to add water vapor. Pure nitrogen from a tank is dry.
20. ## Thread: Nitrogen filled tires.

by asgelle
Replies
59
Views
1,654

### I think nitrogen is good for inflating bike tires...

I think nitrogen is good for inflating bike tires but I'm not 100% sold. More like 78%.
21. ## Thread: Front shocks a problem?

by asgelle
Replies
29
Views
686

### What if I sit in a sauna and my heart rate is 20...

What if I sit in a sauna and my heart rate is 20 beats above what is was on the couch?

What if I drink a cup of coffee?
22. ## Thread: Front shocks a problem?

by asgelle
Replies
29
Views
686

### Ride along on a gentle slope at a moderate...

Ride along on a gentle slope at a moderate effort. Shift to an easier gear maintaining the same speed; heart rate goes up. Now shift down to a harder gear than you started with still maintaining the...

by asgelle
Replies
29
Views
686

yes
24. ## Thread: Front shocks a problem?

by asgelle
Replies
29
Views
686

### Please. There is no correlation between heart...

Please. There is no correlation between heart rate and energy expenditure.
25. ## Thread: Expectations from a paid riding club?

by asgelle
Replies
43
Views
1,607

### Yes, and you know who those people are? The...

Yes, and you know who those people are? The members. Like you. You're a member of the club, what have you done to organize rides?

They sold you membership with all associated rights and...
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