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What about Gradient Lag?

keoltag
over 2 years ago

Can anyone report if Garmin have fixed the issue that the 1030+ has with ridiculously long responses to changes in gradient?

  • 0 over 1 year ago in reply to bbrannon

    Seinsible Grade DOES use barometric altitude:

    “- Uses the best available data: barometric altitude, bike speed sensors, GPS as a fallback.
    - Adjustable smoothing: fast response vs. smooth values with variable length moving average filter.
    - 3s altitude sampling interval to accumulate significant altitude delta.
    - FIR filter smoothing”

  • 0 over 1 year ago in reply to finepl

    It has a gyroscope which can give instant response. It’s new to the 1040, would love to know why they’re not using it. It’s what let’s you use modern phones as a spirit level. If they put gyro access back in the connectiq api (it was in but then removed) I’m sure someone could write a data field. 

  • 0 over 1 year ago in reply to Phasey

    I'd ignored this thread for several months and have removed Gradient from my 1040 Solar screen. I swore due to these material lag issues and the pathetic response directly from Garmin tech support that I would never buy a Garmin device again (after many)... then my wife bought me the Epix 2 for Christmas... and I can't exactly return it.

    Now coming back into this thread, I'm still dismayed at the lack of progress. New devices delivering less utility. Did the DOD take over Garmin R&D?

  • 0 over 1 year ago

    I'm afraid apps won't help since they are dependent on the data the device provides. Some dozen pages ago it was shown that the underlying issue is most likely the "altitude polling interval". Meaning the altitude reading would have to be updated much more often.

  • 0 over 1 year ago in reply to OliverS73

    Hello
    I'm not agree with that, i've tried Sensible Grade and it's much more fast and accurate than the native Gradient.
    I created a data screen with both and Sensible Grade fit to réality by 2 or 3 seconds max.

    I also be able to downgrade to 15.13 firmware and here both native and Sensible Grade display the same percentage at the same time and it reflect reality

  • 0 over 1 year ago in reply to AnthoK

    Sensible Grade and another similar app have worked well/quicker for me too.  IDK, but it may be possible that an app can request a sensor read rather than rely on and wait for the native poling.

  • 0 over 1 year ago in reply to AnthoK

    I wanted to try Sensible Grade yesterday but I've found out they fixed (mostly) gradient lag with the latest update 16.11. Meaning there was basically no difference between native and app (medium setting) apart from the app showing tenths what makes it seem faster. So, quasi the same results as you had after downgrading to 15.13.

    Maybe Garmin will break the function with the next update again, then I could test it for real. ;)

  • 0 over 1 year ago in reply to OliverS73

    Ah good news.
    I will try to upgrade to 16.11 and test it, and i will always keep the 15.13 by my side just in case of.