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Search: Posts Made By: terrymorse
Showing results 1 to 20 of 20
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Forum: General Cycling Discussion
02-19-23, 06:10 PM
Replies: 341
Views: 10,502
Posted By terrymorse

In my former line of work, we made models to see...

In my former line of work, we made models to see if the design would pass qualification tests after the hardware was built. Failing a qual test was very costly in money and schedule slippage.
Forum: General Cycling Discussion
02-19-23, 01:48 PM
Replies: 341
Views: 10,502
Posted By terrymorse

Pro tip: Do your time trial in the afternoon,...

Pro tip: Do your time trial in the afternoon, when temperature is higher and the air density is lower (assuming it's not windy).

Air density is a big deal to a pilot with a small plane at a high...
Forum: General Cycling Discussion
02-18-23, 06:58 PM
Replies: 341
Views: 10,502
Posted By terrymorse

Yes, the higher inertia wheel decelerates more...

Yes, the higher inertia wheel decelerates more slowly than a low inertia wheel. But it also accelerates more slowly, which is where the muscle fatigue question arises.

Expanding what I wrote...
Forum: General Cycling Discussion
02-18-23, 01:28 PM
Replies: 341
Views: 10,502
Posted By terrymorse

Then there's the not well understood muscle...

Then there's the not well understood muscle fatigue effect of acceleration-deceleration on every pedal stroke. It's the "throwing a heavy ball a short distance vs. throwing a light ball a long...
Forum: General Cycling Discussion
02-18-23, 12:30 PM
Replies: 341
Views: 10,502
Posted By terrymorse

As a racing tactic, it's quite realistic. ...

As a racing tactic, it's quite realistic.

The climber with high power to bike+rider weight ratio attacks on the steepest section of the course, because it is where they:

have the biggest...
Forum: General Cycling Discussion
02-16-23, 02:15 PM
Replies: 341
Views: 10,502
Posted By terrymorse

For giggles, here's the answer from ChatGPT,...

For giggles, here's the answer from ChatGPT, which must have been reading BF:
__________________When it comes to choosing between light wheels and aero wheels for climbing on a bicycle, it depends...
Forum: General Cycling Discussion
02-16-23, 11:22 AM
Replies: 341
Views: 10,502
Posted By terrymorse

Yes, that's what I was thinking. Light wheels to...

Yes, that's what I was thinking. Light wheels to help where I have the best chance of being competitive, which is on grades of 8% or more.

There's almost no chance of me ever seeing the front end...
Forum: General Cycling Discussion
02-15-23, 08:50 PM
Replies: 341
Views: 10,502
Posted By terrymorse

Yes, I read it. I am disagreeing with the...

Yes, I read it.

I am disagreeing with the "pick equipment that makes riding in the peloton easier" notion. That doesn't matter.

I say pick equipment, whatever it may be, that makes the climb...
Forum: General Cycling Discussion
02-15-23, 07:20 PM
Replies: 341
Views: 10,502
Posted By terrymorse

Theoretically, I'd give up a few extra watts when...

Theoretically, I'd give up a few extra watts when tucked into the peloton, where I'm not working very hard any way, for a few extra watts on a climb, where the suffering has no limit.

Make the...
Forum: General Cycling Discussion
02-15-23, 02:36 PM
Replies: 341
Views: 10,502
Posted By terrymorse

And those engineers had calculators to do the...

And those engineers had calculators to do the math for them. Human calculators.
Forum: General Cycling Discussion
02-15-23, 12:53 PM
Replies: 341
Views: 10,502
Posted By terrymorse

According to hambini.com...

According to hambini.com (https://www.hambini.com/cycling-aerodynamics-wider-tires-and-rims-examined-in-engineering-detail/), at 30 kph (19 mph), every millimeter increase in rim depth is worth a...
Forum: General Cycling Discussion
02-14-23, 05:53 PM
Replies: 341
Views: 10,502
Posted By terrymorse

I got the degrees, but I don't think I'm nuts. ...

I got the degrees, but I don't think I'm nuts.

I prefer to call myself "colorful".
Forum: General Cycling Discussion
02-13-23, 10:28 AM
Replies: 341
Views: 10,502
Posted By terrymorse

I've given this a fair amount of thought, and I...

I've given this a fair amount of thought, and I suspect there may be a feature of climbing where wheel inertia matters.

Let's call it "micro decelerations-accelerations". Whenever the grade goes...
Forum: General Cycling Discussion
02-08-23, 10:55 AM
Replies: 341
Views: 10,502
Posted By terrymorse

Follow up questions: Why avoid rims with 17mm...

Follow up questions:
Why avoid rims with 17mm internal width?
Does that 17mm width limit your ability to mount different tire sizes?
Does the wider rim provide certain advantages?

Light Bicycle...
Forum: General Cycling Discussion
02-07-23, 11:31 AM
Replies: 341
Views: 10,502
Posted By terrymorse

We're gonna need a bigger porch.

We're gonna need a bigger porch.
Forum: General Cycling Discussion
02-06-23, 01:19 PM
Replies: 341
Views: 10,502
Posted By terrymorse

Weight is a non-issue for UCI racers, as their...

Weight is a non-issue for UCI racers, as their bikes must stay above the UCI limit.

Clinchers can be inflated to optimal pressure. Tubeless tires have very low rolling resitance. And very high...
Forum: General Cycling Discussion
02-04-23, 01:26 PM
Replies: 341
Views: 10,502
Posted By terrymorse

Preach! Self-identified weight and rolling...

Preach! Self-identified weight and rolling resistance (Crr) weenie here.

At the low speeds of climbing, rolling resistance is bigger than aero drag:

...
Forum: General Cycling Discussion
02-04-23, 12:35 PM
Replies: 341
Views: 10,502
Posted By terrymorse

Something to consider are the carbon wheels from...

Something to consider are the carbon wheels from Light Bicycle. They have "Quick Buy" wheelsets for rim brakes (https://www.lightbicycle.com/carbon-road-bike/carbon-road-bike-wheels/quick) or disc...
Forum: General Cycling Discussion
02-04-23, 12:02 PM
Replies: 341
Views: 10,502
Posted By terrymorse

I do, for the most part. I ride uphill under 10...

I do, for the most part. I ride uphill under 10 mph quite a bit, and I don't care much about the stuff in between.

On a typical climbing ride, I'll spend 75% or more of the time going uphill. It...
Forum: General Cycling Discussion
02-04-23, 12:18 AM
Replies: 341
Views: 10,502
Posted By terrymorse

Unless you’re a climber. Aero doesn’t help at...

Unless you’re a climber. Aero doesn’t help at typical climbing speeds. Dropping weight helps.
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