Good conversation with Phoenix, a physics phd student at CU, who helped designed Stryd's algorithm. Here are some points I remember from this morning's conversation - if I'm wrong on any of these points, please let me know and I'll edit this post:
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- It's a proprietary motion sensor pod, much more advanced than Garmin's/Polar's/Wahoo's accelerometers. So, it will not be an algorithm that can be paired with the Wahoo Tickr-x. From Stryd: It is a more advanced accelerometer, however Stryd goes beyond just "motion sensing", we measure both "motion and the environment"
- If synced with a phone beforehand, a runner can run with only the pod and the pod will record the activity, with auto-stop as a default feature, and will then automatically upload once back in range of the phone.
- At this point in time, it does not measure speed, but works with GPS devices to record speed.
- Wind, from Stryd: It measures acceleration and calculates force from the acceleration. If one change running form when encountering wind, which will register as a change in acceleration, then we can account for that perspective of wind impact. But we CANNOT measure every aspect that wind effect has on a runner currently. We have a plan to properly account for the impact of changes in wind speed but we don't have solid testing results on this now. We'll follow up here, and on our blog (http://blog.stryd.com), when we have more news on this.
- When they launch, they will have ensured that their data will appear when uploaded to all major platforms: TP, Strava, Garmin Connect, RunKeeper. From Stryd: Our own website will always support the data. With open source API such as Strava, we can make sure that our data will be supported. As far as TrainingPeaks' and Garmin Connect's API, we are trying as hard as we can to get our data on their platform and we are quite confident that things will work out, but again it is impossible to promise we will be able to reach all major platforms.
- It is their goal for it to be used as a cycling power meter is currently used, with the emphasis being more in line with how triathletes and TT cyclist ride: maintaining an even power and maximizing efficiency.
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milesthedog: Feb 16, 15 11:31