Go Back  Bike Forums > Search Forums
Reload this Page >

Search Results

Notices
 
Search: Posts Made By: mr_pedro
Showing results 1 to 50 of 611
Search took 0.08 seconds.
03-04-21, 02:44 PM
Replies: 20
Views: 1,088
Posted By mr_pedro

Looks like the hard thing with fixed trainers is...

Looks like the hard thing with fixed trainers is finding one that is controllable. Otherwise any recumbent trainer will do if a speedsensor can be attached, or if pedals with power meter can be...
03-04-21, 12:15 PM
Replies: 20
Views: 1,088
Posted By mr_pedro

Looks like people can just attach some recumbents...

Looks like people can just attach some recumbents straight on a Wahoo Kickr, no MacGyver skills needed:

Zwift on a VTX - BentRider Online Forums...
03-04-21, 10:06 AM
Replies: 44
Views: 3,426
Posted By mr_pedro

Gotcha, always good to stay hydrated. I used to...

Gotcha, always good to stay hydrated.
I used to always need a towel to cover the bike and although I had a fan, after the warming up sweat would start dripping continuously for the threshold and...
03-04-21, 04:58 AM
Replies: 44
Views: 3,426
Posted By mr_pedro

If you need to drink that much more water on the...

If you need to drink that much more water on the trainer because of much more sweating, perhaps you could look into extra ventilation? Ideally there is not a pool of sweat on the ground afterwards.
03-04-21, 04:55 AM
Replies: 30
Views: 1,688
Posted By mr_pedro

It is pretty cool. And it is not just about the...

It is pretty cool. And it is not just about the interval intensities, but the entire training program that is determined by ML.
Automatically adjusting every workout depending on performance or if...
03-03-21, 11:48 PM
Replies: 30
Views: 1,688
Posted By mr_pedro

The ramp test is not just a max test over a short...

The ramp test is not just a max test over a short interval to estimate your longer duration power. It actually takes more like 20 min to do and exhausts the anaerobic system in the process. It varies...
03-03-21, 08:05 AM
Replies: 20
Views: 1,088
Posted By mr_pedro

The most low tech solution is if you can attach a...

The most low tech solution is if you can attach a Bluetooth / Ant+ speed sensor to your indoor bike. This means that Rouvy or Zwift won’t be able to control the resistance, but it will move you along...
03-02-21, 11:04 PM
Replies: 3,270
Views: 327,913
Posted By mr_pedro

ll

Well, it is exactly that argument that the Dutch cycling federation makes for not promoting helmet wear for regular daily cycling. The claim is even that the health benefits for the entire population...
03-02-21, 10:17 PM
Replies: 48
Views: 4,219
Posted By mr_pedro

That comment is so far off, you either...

That comment is so far off, you either misinterpreted my comment or you don't know what you are talking about.


I am doing a hard ride for 1-2 hours burning between 800-1600 Cal, at most two days...
03-02-21, 03:57 AM
Replies: 3,270
Views: 327,913
Posted By mr_pedro

Regarding your point D, the downside to focusing...

Regarding your point D, the downside to focusing on helmet usage is that the underlying premise is always that cycling is a dangerous activity. That discourages people from using their bikes for...
03-02-21, 12:18 AM
Replies: 17
Views: 967
Posted By mr_pedro

Do you still want Rouvy to control the resistance...

Do you still want Rouvy to control the resistance of the bike? How would that work if the video is not at the same spot you are?
If the video is decoupled from your power output on the bike, isn't...
03-01-21, 11:59 PM
Replies: 48
Views: 4,219
Posted By mr_pedro

I have cycled a lot of miles while fasted and it...

I have cycled a lot of miles while fasted and it feels great. I only do it for my slow rides though. For any effort longer than an hour or so at anything close to your limits, you start to need...
02-28-21, 11:38 PM
Replies: 122
Views: 5,205
Posted By mr_pedro

That might not say what you think it is. It does...

That might not say what you think it is. It does not mean that people are now expected to live those 1 or 3 years shorter.

Main reason is that the higher mortality experienced in the last year is...
02-27-21, 01:26 PM
Replies: 7
Views: 736
Posted By mr_pedro

It sounds like the future. Most likely at the...

It sounds like the future. Most likely at the introduction of TR's AT, a good coach will be able to provide better programs. But with time, I have no doubt that a machine learning algorithm will be...
02-26-21, 02:45 PM
Replies: 46
Views: 2,944
Posted By mr_pedro

Our body's cooling mechanism when hot is to bring...

Our body's cooling mechanism when hot is to bring blood close to the surface of the skin and let evaporating sweat extract heat.
Problem is that blood is also responsible to bring oxygen to the...
02-24-21, 02:05 AM
Replies: 18
Views: 834
Posted By mr_pedro

Most likely the Power meter is closer to the...

Most likely the Power meter is closer to the right value. It might be off by 1%-2%, but Zwift power can potentially be off by 25%-50%.

It should be fairly easy to differentiate between cruising at...
02-23-21, 09:32 PM
Replies: 44
Views: 3,426
Posted By mr_pedro

Indeed, all depends how intense the ride. For...

Indeed, all depends how intense the ride. For most rides up to 2 hours it is not strictly needed to take carbs, but it makes it so much easier to go hard.

On the harder workouts, that for me can...
02-23-21, 04:10 PM
Replies: 72
Views: 7,887
Posted By mr_pedro

The pain cave currently looks like this: ...

The pain cave currently looks like this:
https://cimg3.ibsrv.net/gimg/bikeforums.net-vbulletin/2000x1504/20210215_213621_l_9b71a28b96b1762a966ff5ee0df75f1e00e05060.jpg
02-12-21, 05:24 PM
Replies: 90
Views: 7,013
Posted By mr_pedro

Yes, just the taste of carbs in your mouth tells...

Yes, just the taste of carbs in your mouth tells your body carbs are on the way and it releases some of the glycogen reserves that it is hanging on to to prevent total depletion.
02-12-21, 03:28 PM
Replies: 90
Views: 7,013
Posted By mr_pedro

I have been researching and experimenting lately...

I have been researching and experimenting lately with fueling during work out. Regarding your calculations on how much glycogen you have stored and how much you are burning, the glycogen supply in...
02-12-21, 02:25 PM
Replies: 16
Views: 694
Posted By mr_pedro

To estimate your FTP you need to take average...

To estimate your FTP you need to take average power. Normalized power is a measure for how much stress you incurred.
If Normalized Power is much higher than average power, it does mean you could...
12-26-20, 04:18 AM
Replies: 3,270
Views: 327,913
Posted By mr_pedro

We have experienced the same increase in traffic...

We have experienced the same increase in traffic sinds the 50s, it does require city planning to achieve this. For example when I drive home, the largest part of the journey is on the highway and...
12-26-20, 02:49 AM
Replies: 31
Views: 1,535
Posted By mr_pedro

Pedal Smoothness (PS) is defined as the maximum...

Pedal Smoothness (PS) is defined as the maximum torque as a percentage of the average torque over a full pedal stroke. A PS of 100% would give a perfect circular polar plot of torque instead of the...
12-25-20, 10:14 PM
Replies: 31
Views: 1,535
Posted By mr_pedro

Perhaps your power output becomes more volatile...

Perhaps your power output becomes more volatile at higher levels?

I am using Trainerroad, in this particular workout, the intervals are at sweet spot (88%-94% FTP), and target power moves a bit in...
12-25-20, 10:03 PM
Replies: 3,270
Views: 327,913
Posted By mr_pedro

When I was living in Baltimore there was a...

When I was living in Baltimore there was a pedestrian crossing with traffic lights downtown, the streets were one way for cars and after 30 seconds of green light for pedestrians the turning cars on...
12-25-20, 08:47 AM
Replies: 3,270
Views: 327,913
Posted By mr_pedro

Per capita NL has 4~5 times more cycling deaths...

Per capita NL has 4~5 times more cycling deaths than the US. And even without exact exposure data for the US it is clear to see that the Americans cycle far less than 4 or 5 times what the Dutch do....
12-25-20, 03:27 AM
Replies: 3,270
Views: 327,913
Posted By mr_pedro

Yes regularly you will find two strips across the...

Yes regularly you will find two strips across the bike path about 3 ft apart. This is used to measure speed and count the bicycles passing.

For example in this article the speeds between provinces...
12-25-20, 02:01 AM
Replies: 3,270
Views: 327,913
Posted By mr_pedro

Sure, that is the difference between measuring...

Sure, that is the difference between measuring exposure by time or by distance travelled. Both are reasonable measures. Using time would only skew results towards more dangerous in US as speeds in NL...
12-25-20, 01:11 AM
Replies: 31
Views: 1,535
Posted By mr_pedro

The way your ERG mode is behaving is certainly...

The way your ERG mode is behaving is certainly different from mine. In the graph below it looks like the power dropped as your cadence went down, but then power goes way up above target as the...
12-25-20, 01:02 AM
Replies: 31
Views: 1,535
Posted By mr_pedro

The main reason is for consistent figures. If you...

The main reason is for consistent figures. If you only use power on the trainer, you mostly want it to be precise and accuracy is more a nice to have. So when you also have a power meter to use...
12-25-20, 12:41 AM
Replies: 31
Views: 1,535
Posted By mr_pedro

What you are describing is the balancing of left...

What you are describing is the balancing of left right. What is happening as the pedals go round is that every foot has a phase when it is applying tangental force to the pedal in the right direction...
12-24-20, 11:47 PM
Replies: 3,270
Views: 327,913
Posted By mr_pedro

:) I actually know what a confidence interval is...

:) I actually know what a confidence interval is and you said the opposite of what you mean, i.e. small confidence intervals imply a very high degree of certainty.

But since we don’t have much US...
12-24-20, 03:52 PM
Replies: 6
Views: 579
Posted By mr_pedro

You could also use the seconds hand to ride at 60...

You could also use the seconds hand to ride at 60 rpm, so one full revolution of one of the pedals every second. And note the speed. You can now multiply that speed with eg 70/60 to get the speed at...
12-24-20, 12:54 AM
Replies: 3,270
Views: 327,913
Posted By mr_pedro

The average trip distance in NL is about 3km. ...

The average trip distance in NL is about 3km.
Another difference is that I suspect the US to have a larger fraction of recreational rides done in parks.

Maybe we can look at it from a different...
12-23-20, 10:38 PM
Replies: 31
Views: 1,535
Posted By mr_pedro

I also have the impression the smoother lines...

I also have the impression the smoother lines when data from the Kickr is used is because the Kickr is transmitting a rolling average, because it does not feel any different.
What should help is...
12-23-20, 09:20 AM
Replies: 31
Views: 1,535
Posted By mr_pedro

That’s in ERG mode, because then you have a...

That’s in ERG mode, because then you have a target power and can clearly see how fast and how stable it stays around that value.

Using a third party power meter to control the trainer is called...
12-23-20, 04:38 AM
Replies: 31
Views: 1,535
Posted By mr_pedro

When I change the to a lower gear with the same...

When I change the to a lower gear with the same power output, reducing the speed and increasing the drag, I see much higher crank accelerations outside and these can now be replicated on my...
12-23-20, 02:49 AM
Replies: 31
Views: 1,535
Posted By mr_pedro

Yes that is plausible, ERG lag has the added...

Yes that is plausible, ERG lag has the added component of reacting to unpredictable changes in cadence, while flywheel adjustments are much more predictable. Maybe just a feeling that the level of...
12-22-20, 09:50 PM
Replies: 31
Views: 1,535
Posted By mr_pedro

I was wondering that. Do you have any links to...

I was wondering that. Do you have any links to materials with further details?
I think that is what they mean at Tacx when they say to have a simulated flywheel.

The trainer would need to adjust...
12-22-20, 09:11 PM
Replies: 31
Views: 1,535
Posted By mr_pedro

These are micro accelerations happening a couple...

These are micro accelerations happening a couple of times throughout each stroke as you move in and out of the power phase. It follows from Newton’s laws because the drag force is always there while...
12-22-20, 08:57 PM
Replies: 31
Views: 1,535
Posted By mr_pedro

So I am assuming a constant speed and constant...

So I am assuming a constant speed and constant cadence. However, the acceleration and deceleration is because we are not able to apply constant force on the pedals all way round the pedal stroke,...
12-22-20, 02:27 PM
Replies: 62
Views: 5,322
Posted By mr_pedro

Setting the trainer difficulty setting to lower...

Setting the trainer difficulty setting to lower will give more resistance on the downhills, allowing you to put more power down.
12-22-20, 02:16 PM
Replies: 31
Views: 1,535
Posted By mr_pedro

Differences riding outside vs turbo trainer

Recently I started using a smart trainer for structured workouts and as I was reading about the differences between outdoor and indoor and how it is harder to produce the same power on an indoor...
Forum: Road Cycling
12-22-20, 08:33 AM
Replies: 54
Views: 2,315
Posted By mr_pedro

It is possible, you can just download the zwift...

It is possible, you can just download the zwift ride from Strava, strip the power out, e.g. using the online tool I linked above, and reupload to strava.

Accuracy will totally depend on Zwift and...
Forum: Road Cycling
12-21-20, 10:23 PM
Replies: 54
Views: 2,315
Posted By mr_pedro

Strava uses gps position over time to calculate...

Strava uses gps position over time to calculate power, data from trainer won’t work.
Same device was used, I used https://gotoes.org/strava/index.php to process the file. I took the original file...
Forum: Road Cycling
12-21-20, 07:04 PM
Replies: 54
Views: 2,315
Posted By mr_pedro

https://www.strava.com/activities/4502120904 ->...

https://www.strava.com/activities/4502120904 -> Strava Power 195W avg
https://www.strava.com/activities/4401705368 -> Power meter 236W avg

Also if you look at the power over individual segments...
12-21-20, 08:02 AM
Replies: 83
Views: 7,578
Posted By mr_pedro

The graph is not implying anyone to ride at 105%...

The graph is not implying anyone to ride at 105% FTP for 1 hour. The unit of the vertical axis is kCal per hour, however that does not mean you need to ride for 1 hour, just like riding at 20 mph...
12-21-20, 12:54 AM
Replies: 40
Views: 1,679
Posted By mr_pedro

Maybe they are screaming:”What out, there is a...

Maybe they are screaming:”What out, there is a flour pot attached to your pedal!”
Forum: Road Cycling
12-20-20, 11:04 PM
Replies: 54
Views: 2,315
Posted By mr_pedro

The segment power numbers in Strava are average...

The segment power numbers in Strava are average power figures over the entire segment. Pro level cyclists can do 600-700 W for about 4 minutes. For many people that is their 3s sprint power.

The...
Forum: Road Cycling
12-20-20, 09:57 PM
Replies: 54
Views: 2,315
Posted By mr_pedro

If weight is set up correctly, the biggest factor...

If weight is set up correctly, the biggest factor that makes strava power inaccurate is wind. On climbs it can be better provided it has accurate data for the incline. The power peaks are not...
Showing results 1 to 50 of 611
 


 
Forum Jump

Contact Us - Archive - Advertising - Cookie Policy - Privacy Statement - Terms of Service - Do Not Sell My Personal Information -

Copyright © 2021 MH Sub I, LLC dba Internet Brands. All rights reserved. Use of this site indicates your consent to the Terms of Use.