I tested the 1.6.4 version today, recording a ramp test, using the Asioma’s, while doing a BigRingVR ride, capturing the Neo 2T’s power.
Apparently, there’s a course, as I got a map - I only noticed that on Strava, but I probably am overlooking a setting (?).
The power curve from the Assioma’s doesn’t look good. You’d think that is a result of capturing power from pedals, but I’ve cut out an equally long stretch from an outdoor ride, also from the Assioma’s. That looks a whole lot better, which is what I usually get.
(As expected, the Neo’s curve is probably the flatest - I went from 240 W to 250 for the last 90 seconds of the ramp test recording.)
Okay, it looks like actually Strava doing something. I didn’t get anything from the earlier ride to GC, but now that I look at these two, the power curve looks much more like the TD App one.
Still, it’s weird that if I take only 2 minutes from that outdoor ride (GC recording), I do not see that kind of power curve. Maybe it is like that as the power for the test was low and you get less fluctuation at harder efforts?
(Which still doesn’t explain why today’s first TD App ‘test’ did show the same mess, even at higher power. I can email you the files, if you need them.)
I will review this later that if you are using out app in single sided mode the power will be more erratic. So it depends on your Assiomas settings. I realized I am not sure what we are talking about regarding eratic. Let me review more and try to understand.
I can only use it in single sided mode, but the Assioma ‘unify’ is on, i.e. L/R are combined, the power doubling in the TD App is off.
I just zoomed in more and on the outdoor GC recording, data points are plotted every four seconds, whereas in the TCX file, data is recorded per second.
This may have to do with the length of the activity, because in the short recording posted here, the data points are plotted second-by-second. There might be something about this in the GC documentation, but I don’t think it’s worth the effort.
Also, I’m using an outdoor and an indoor profile - maybe that defaults to another plotting too. There is no difference in the Edge power recording, not in the profile setting, not in the TCX file. Only GPS is switched off in the indoor profile.
I will record my next long(er) indoor activity using my Neo on my Edge too, to see if that does the same thing, i.e. plot 4 second data points…
A little depressing duo>uno. I contacted after warrantee ended and they sent me new uno. Yes my uno is super jumpy too. I think all (or most) pedal and crank arms pms are. Tacx Neo is as well but Wahoo is super smooth
With the risk of repeating myself: only a handfull of trainers have measured power (strain gauge). Almost all use speed/power conversion following a curve that is offset with resistance/slope setting.
That´s why they have a more stable output.
The ´noisy´ look of a real power measurement is totally normal.
Oh right I remember now you said something like that but I did not internalize it, I did this time :), My neo is super noise but just looked and Ray/DC says it does not have a real power meter.
Mine were only used indoors so they asked for pictures and they looked new, and they could see the error code so they did it. I guess it is dependent on the exact details.
