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Search: Posts Made By: RChung
Showing results 1 to 50 of 190
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09-05-21, 08:42 AM
Replies: 207
Views: 5,010
Posted By RChung

Ride nekkid and see how far you get. Whether...

Ride nekkid and see how far you get. Whether that's significant depends on whether you do this in front of a furry convention.
Forum: Road Cycling
08-27-21, 10:53 AM
Replies: 42
Views: 1,944
Posted By RChung

The #1 rule of buying a power meter is: unless...

The #1 rule of buying a power meter is: unless you have a really really good reason, avoid low serial numbers.

Rule #1B: never predicate a purchasing decision on an as-yet unreleased product. They...
Forum: Road Cycling
08-27-21, 07:29 AM
Replies: 132
Views: 8,175
Posted By RChung

What are some of your preferred ConnectIQ apps?

What are some of your preferred ConnectIQ apps?
08-03-21, 03:50 AM
Replies: 57
Views: 2,106
Posted By RChung

I stopped reading there.

I stopped reading there.
07-31-21, 01:16 AM
Replies: 57
Views: 2,106
Posted By RChung

I must speak with different racers than you.

I must speak with different racers than you.
07-26-21, 01:58 PM
Replies: 78
Views: 1,932
Posted By RChung

My apologies. I once got a student course...

My apologies. I once got a student course evaluation with: "You lied when you said we wouldn't need calculus for the class." So I didn't stop using calculus, but I did stop saying they didn't need it.
07-24-21, 05:44 AM
Replies: 51
Views: 1,599
Posted By RChung

Have you measured the aerodynamic drag of any of...

Have you measured the aerodynamic drag of any of your designs? How much do they help?
Forum: Road Cycling
07-24-21, 05:37 AM
Replies: 61
Views: 2,173
Posted By RChung

There's actually a way to do it without a power...

There's actually a way to do it without a power meter but it requires pristine conditions and really really careful experimental technique, and it takes longer. But it can be done.
Forum: Road Cycling
07-23-21, 11:28 PM
Replies: 61
Views: 2,173
Posted By RChung

That varies with the individual, and you sort of...

That varies with the individual, and you sort of need a power meter to know if you're in that group or not. Some of that is because on the flat, power varies with the cube of speed, so small...
07-19-21, 04:16 PM
Replies: 281
Views: 6,998
Posted By RChung

I have a friend who rides bikes, shaves her legs,...

I have a friend who rides bikes, shaves her legs, is openly gay, and says exactly the same thing.
Forum: Road Cycling
07-18-21, 04:46 PM
Replies: 82
Views: 2,563
Posted By RChung

Not that you'll see this but I think it's...

Not that you'll see this but I think it's probably good that you do this. You're happier and it doesn't matter to me because I get to make comments without your responses, so it's pretty much a...
07-16-21, 06:20 PM
Replies: 281
Views: 6,998
Posted By RChung

Probably wise. I don't even take all my advice.

Probably wise. I don't even take all my advice.
07-14-21, 10:12 PM
Replies: 281
Views: 6,998
Posted By RChung

Word to the wise: Keep this review for Veet in...

Word to the wise: Keep this review for Veet in mind: https://www.amazon.com/gp/customer-r...R2QP56S5P2DEGA...
07-13-21, 09:51 AM
Replies: 75
Views: 2,902
Posted By RChung

Consumables? Hmmm. Power meters break, so...

Consumables? Hmmm. Power meters break, so recently I bought a spare power meter.
07-12-21, 10:06 AM
Replies: 51
Views: 1,599
Posted By RChung

I believe the top photo was of Mike Mowett in his...

I believe the top photo was of Mike Mowett in his stretchy fabric enclosure. I don't know who took the photo.
Forum: Road Cycling
07-09-21, 01:47 PM
Replies: 58
Views: 3,009
Posted By RChung

The Olympics are still on, the Tour is on right...

The Olympics are still on, the Tour is on right now, and guys are still racing against their brothers-in-law.
Forum: Road Cycling
07-09-21, 01:16 PM
Replies: 58
Views: 3,009
Posted By RChung

People I've helped have won real world TTs,...

People I've helped have won real world TTs, Olympic medals, set world records, and beat their brother-in-law in the annual family race. They were pretty happy, and not just academically.


A guy I...
Forum: Road Cycling
07-09-21, 10:14 AM
Replies: 58
Views: 3,009
Posted By RChung

This is just one in a long list of things that...

This is just one in a long list of things that makes mass start bike racing much, much better than those other sports where only two teams compete at a time (like baseball, football, basketball or...
Forum: Road Cycling
07-08-21, 10:28 PM
Replies: 58
Views: 3,009
Posted By RChung

Racers have been shaving their legs for at least...

Racers have been shaving their legs for at least a century, before there were skinsuits or even simple ways to measure aerodynamic drag.
Forum: Road Cycling
07-08-21, 10:26 PM
Replies: 8
Views: 483
Posted By RChung

You mean, like the old Scott 100K aerobars? They...

You mean, like the old Scott 100K aerobars? They didn't have a basebar so we called them "AOD" for "Aero or die."
Forum: Road Cycling
07-08-21, 06:53 PM
Replies: 58
Views: 3,009
Posted By RChung

That, and that the legs mostly appear...

That, and that the legs mostly appear "cylindrical" to the air while the arms and face aren't, so much, and cylinders are pretty sub-optimally shaped. So you've got furry cylinders churning through...
07-06-21, 03:28 PM
Replies: 106
Views: 3,717
Posted By RChung

Here's a NYT article...

Here's a NYT article (https://www.nytimes.com/2001/04/24/health/maximum-heart-rate-theory-is-challenged.html) that discusses how the formula came to be, and the population that was used to derive it.
Forum: Road Cycling
07-02-21, 12:48 PM
Replies: 132
Views: 8,175
Posted By RChung

Actually, that's exactly what my day job entails:...

Actually, that's exactly what my day job entails: everyone else seems to look at the numerator, I have to look at the denominators. Why do "normal-sized" people complain more than either dwarves or...
Forum: Road Cycling
07-02-21, 11:05 AM
Replies: 132
Views: 8,175
Posted By RChung

In my day job we use self-selected samples to...

In my day job we use self-selected samples to uncover questions and form hypotheses -- but we don't use "convenience" samples to test those hypotheses. That means that I try not to use my kid's and...
Forum: Road Cycling
07-02-21, 10:22 AM
Replies: 132
Views: 8,175
Posted By RChung

My son has a Bolt. He's had problems with BT...

My son has a Bolt. He's had problems with BT connectivity. I've never had a problem with my 530. I'm not sure Wahoo's anti-BT interference field is working for him.
Forum: Road Cycling
07-02-21, 08:49 AM
Replies: 132
Views: 8,175
Posted By RChung

Hmmm. I don't get these phone connection problems...

Hmmm. I don't get these phone connection problems with my 530. In general, I've heard that *if* you have the choice between an ANT+ device/connection and a BT device/connection, Garmins seem to work...
06-25-21, 12:04 PM
Replies: 28
Views: 1,218
Posted By RChung

Dan Connelly (of Low-Key fame) wrote a blog post...

Dan Connelly (of Low-Key fame) wrote a blog post about Marin (https://djconnel.blogspot.com/2013/03/marin-avenue-berkeley.html). In the comments to his post you can find something I wrote sort of...
06-25-21, 07:40 AM
Replies: 28
Views: 1,218
Posted By RChung

That depends on how well you can balance without...

That depends on how well you can balance without wobbling. I live in Berkeley and I used to ride up Marin every once in a while as a "how far up can I make it?" check. You may know that it was...
Forum: Road Cycling
06-17-21, 08:42 AM
Replies: 8
Views: 541
Posted By RChung

Depends on your individual body shape. Look for...

Depends on your individual body shape. Look for no wrinkles around the neck/shoulders when you're in riding position, tight sleeves that go down close to the elbow, and that doesn't bunch up along...
Forum: Road Cycling
06-15-21, 01:15 PM
Replies: 57
Views: 3,153
Posted By RChung

A woman I know says her ex put them on her bike...

A woman I know says her ex put them on her bike when she went to pick up her stuff.
Forum: Road Cycling
06-02-21, 08:12 PM
Replies: 75
Views: 5,206
Posted By RChung

I bought a Przewalski bib for $25, and I thought...

I bought a Przewalski bib for $25, and I thought it was easily worth $35.
Forum: Road Cycling
05-31-21, 06:06 PM
Replies: 71
Views: 2,407
Posted By RChung

WhyFi was being facetious. And to be fair, Coggan...

WhyFi was being facetious. And to be fair, Coggan wasn't the only one with doubts -- I had doubts about it for quite a while, too. Hmmm. Sometimes now.


Ugh. I've said this elsewhere: sometimes...
Forum: Road Cycling
05-31-21, 05:12 PM
Replies: 71
Views: 2,407
Posted By RChung

Andy Coggan called it something like "borderline...

Andy Coggan called it something like "borderline academic fraud" so there's that.
Forum: Road Cycling
05-31-21, 09:48 AM
Replies: 71
Views: 2,407
Posted By RChung

If only there were some way to measure actual Crr...

If only there were some way to measure actual Crr on real roads.
Forum: Road Cycling
05-26-21, 04:25 PM
Replies: 79
Views: 2,892
Posted By RChung

Here's my standard advice to new users of power...

Here's my standard advice to new users of power meters. (https://www.bikeforums.net/training-nutrition/1051004-just-got-power-meter-help.html#post18611150)
Forum: Road Cycling
05-24-21, 11:10 AM
Replies: 79
Views: 2,892
Posted By RChung

I suppose it's a possibility, but a lot depends...

I suppose it's a possibility, but a lot depends on why your left is weaker: some things may be correctable, others may not be. I have a friend who's a cycling coach, pretty well known, who had to...
Forum: Road Cycling
05-24-21, 08:06 AM
Replies: 79
Views: 2,892
Posted By RChung

The problem is with the right side crank, not the...

The problem is with the right side crank, not the left -- more precisely, the problem is with the right side Shimano DuraAce, Ultegra, and 105 cranks. More more precisely, it's with putting a strain...
Forum: Road Cycling
05-23-21, 02:26 PM
Replies: 20
Views: 17,468
Posted By RChung

VO2Max measurement pre-dates power meters, and is...

VO2Max measurement pre-dates power meters, and is a summary measure of overall aerobic production of energy that could be measured without getting into the weeds of exactly how that energy was...
Forum: Road Cycling
05-23-21, 01:55 PM
Replies: 79
Views: 2,892
Posted By RChung

Oh, so you *do* care about accuracy, and not just...

Oh, so you *do* care about accuracy, and not just precision.
Forum: Road Cycling
05-23-21, 09:14 AM
Replies: 79
Views: 2,892
Posted By RChung

You know what's precise? A wristwatch. You'll get...

You know what's precise? A wristwatch. You'll get very precise numbers over time, and it's a lot cheaper than a power meter.
05-18-21, 10:07 PM
Replies: 18
Views: 1,296
Posted By RChung

He spends a lot of time doing volunteer work at a...

He spends a lot of time doing volunteer work at a local food bank. I'd say that's pretty important.
Forum: Road Cycling
05-17-21, 09:26 PM
Replies: 40
Views: 1,788
Posted By RChung

Yup. W/kg tells you something about your...

Yup. W/kg tells you something about your potential to go fast on climbs. Anhalts tell you something about your potential to go fast on the flat. Tom Anhalt was way underpowered compared to many of...
Forum: Road Cycling
05-17-21, 04:16 PM
Replies: 40
Views: 1,788
Posted By RChung

Sometimes the things we display on a head unit in...

Sometimes the things we display on a head unit in real time aren't what we would want to know about after the ride.

That said, I was just talking with some people a couple of weeks ago about what...
Forum: Road Cycling
05-15-21, 07:54 AM
Replies: 40
Views: 1,788
Posted By RChung

I think that's pretty important. I use power to...

I think that's pretty important. I use power to calibrate RPE, and RPE to modulate power.


Yes. That's often quite helpful. I've been saying that some uses of power data are more dependent on...
Forum: Road Cycling
05-14-21, 05:43 PM
Replies: 40
Views: 1,788
Posted By RChung

Makes sense to me. The algorithm is based...

Makes sense to me. The algorithm is based (mostly) on the Lp vector norm (where p=4).
Forum: Road Cycling
05-14-21, 01:07 PM
Replies: 40
Views: 1,788
Posted By RChung

Not everyone needs (or wants) to do the things I...

Not everyone needs (or wants) to do the things I do, so not everyone needs the same degree of data fidelity. However, the key is to match your needs and expectations to what the device is capable of...
Forum: Road Cycling
05-14-21, 12:06 PM
Replies: 40
Views: 1,788
Posted By RChung

Here's my advice to riders new to using power...

Here's my advice to riders new to using power (https://www.bikeforums.net/training-nutrition/1051004-just-got-power-meter-help-post18611150.html?post18611150).
Forum: Road Cycling
05-14-21, 12:00 PM
Replies: 40
Views: 1,788
Posted By RChung

If you're getting into TT, you'll probably...

If you're getting into TT, you'll probably eventually get into thinking about drag estimation. People used to ask me to help them with that. It didn't really take that long for me to ask, "what power...
05-10-21, 08:52 PM
Replies: 18
Views: 1,296
Posted By RChung

It was pretty hot so he quit after Everesting in...

It was pretty hot so he quit after Everesting in 9 hours.
Forum: Road Cycling
05-04-21, 12:03 AM
Replies: 27
Views: 1,550
Posted By RChung

Oh dear.

Oh dear.
Showing results 1 to 50 of 190
 


 
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