The power tag has no wiki summary.
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Allen Coggan Table - Formula for a best fit to time frames
I'm sure lots of people are familiar with the Allen Coggan Relative Power table that then relates your 'score' to what category rider you are.
My question is that given rides/segments/hill climbs are ...
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What's best engine to motorize a road bike
I have a road bike I use for commuting and I'm about to move 20km further out, so I'm considering fitting a tiny engine to it to assist my ride to work.
However, where I live I have a restriction - ...
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How can i calculate the power in watts on an indoor trainer
I am trying to calculate the power needed to hold a steady speed on an indoor trainer, so as I can train using power in watts. I set the bike up and put the crank at 90 degrees, then put a weight of ...
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How accurate are indoor trainer power meters?
I recently got a Tacx Flow trainer, this being the first time using a power meter. For about 10 years, however, I have been doing monthly "uphill time trials," whereby I put the time into that formula ...
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Extra power needed uphill for weight increase
How much does weight mean when going uphill?
Let's say I'm going up a mountain with 1000 m of elevation and it's quite steep: 10%. Let's also say I can maintain 250 watts. If I add 1 kg of weight to ...
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What is preferred lacing for PowerTap wheel build?
I've done quite a few wheel rebuilds to make them stronger, but haven't built up a wheel around a PowerTap (SL+) yet. This will be for a training set for a fit triathlete. Raw weight is not an issue, ...
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How can one estimate drag for a bicycle?
I am curious how to estimate drag for a bicycle. This has two different framings:
Find the amount of power required to ride at a certain speed. That is, when one is traveling at a constant speed, ...
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2answers
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How accurate are the power numbers from a Tacx Flow?
How accurate are the power numbers (watts) from a Tacx Flow?
Multiple aspects :
Absolute number : can they be compared with numbers from other power meters ?
Relative : if ride two times at 200 W for ...
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How do I calculate the power required to climb a hill at a given cadence?
Suppose I ride at a cadence of 50RPM for 10 minutes with a 39x23 gear ratio on a hill with 10% grade. Is there a simple formula to calculate the power output required?
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How do bicycle power meters work?
What exactly are they measuring? How do they measure it? What are the implications of the different approaches on accuracy / speed of getting a good measure?
It would be helpful if someone could ...
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Does gear ratio affect Power?
Let me preface by saying that this may not be the right SE. I considered asking on the Physics SE, but I thought I might try here first. If it is wrong, I am not against it being migrated.
From basic ...
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5answers
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What's the cheapest way to get into training with power?
I used to train with a stopwatch, and later on, heart-rate. Both required relatively inexpensive tools.
Now I'm interested in training with power (measuring the watts produced) and I'm finding that ...
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761 views
What are the 'easiest' ways to determine functional threshold power?
I recently picked up a powertap and have done a fair bit of riding around and a few races now with it on, so I've started to get familiar with some of the numbers. I would like to figure out what my ...
