2
votes
1answer
47 views

Proper Weight input for a indoor power meter

When setting up the power meter on an indoor Elite Digital Mag Trainer should I put in my weight plus the weight of my bike when I input the weight?
2
votes
2answers
2k views

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 ...
7
votes
3answers
823 views

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, ...
15
votes
3answers
7k views

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 ...
11
votes
5answers
785 views

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 ...
7
votes
5answers
1k 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 ...