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Arrow Turbo III can’t take off in winter

Scheduled Pinned Locked Moved PA-28R Turbo Arrow III/IV
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  • W Offline
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    weptburrito
    replied to SuperKaro2014 on last edited by
    #11

    @superkaro2014 Well...I just checked this again. Both the 152 and that new NX Cub? had structural icing. Checked the Piper again.... now its there. :face_with_rolling_eyes:

    Screenshot (650).jpg

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    SuperKaro2014
    replied to weptburrito on last edited by
    #12

    @weptburrito Wonderful work Sherlock 😂
    It’s consistently inconsistent - a conspiracy no doubt!

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    gruizmd
    replied to weptburrito on last edited by gruizmd
    #13

    @weptburrito

    So what happens IRL when temps are low and there is airframe icing on the ground?

    I think you get grounded. Right?

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    NickD27
    replied to gruizmd on last edited by
    #14

    @gruizmd
    Nah I'm pretty sure you park your plane under the wing of an airliner that's just about to depart and hope when they get sprayed down with deicing fluid some drips onto your plane too, then you hope for the best as you take off into a blizzard :P

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  • RetiredMan93231R Offline
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    RetiredMan93231
    wrote on last edited by
    #15

    Here is structural icing on the Warrior II...

    Screenshot 2021-12-02 054107.jpg

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    WalterBeech
    replied to gruizmd on last edited by
    #16

    @gruizmd said in Arrow Turbo III can’t take off in winter:

    OAT -5 C
    Field elev: 1820’ Above MSL
    Density altitude: 2600’

    There seems to be an error in the calculation. How could you get that high density altitude with minus(!) 5C?

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  • RetiredMan93231R Offline
    RetiredMan93231R Offline
    RetiredMan93231
    replied to WalterBeech on last edited by
    #17

    @walterbeech Additionl information is needed to calculate the actual Density Altitude...

    http://www.pilotfriend.com/pilot_resources/density.htm

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    SuperKaro2014
    replied to RetiredMan93231 on last edited by SuperKaro2014
    #18

    @retiredman93231 said in Arrow Turbo III can’t take off in winter:

    Here is structural icing on the Warrior II...

    Screenshot 2021-12-02 054107.jpg

    An observation only... and really nitpicking.

    Just noticed: When a plane is static on the ground, the location of the structural icing would be all over? The model actually seems to replicate a scenario for a plane moving forwards.

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    WalterBeech
    replied to RetiredMan93231 on last edited by
    #19

    @retiredman93231
    True, but one can make a guess. Dew point doesn't affect it as much as temperature and pressure. And to get similar numbers I had to enter 27.60 in Hg. Not unrealistic, of course, but fairly low.

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    Sybull
    replied to SuperKaro2014 on last edited by
    #20

    @superkaro2014 I guess accurately modeling where every snowflake lands would be bit of an FPS hit :beaming_face_with_smiling_eyes:

    I'm just glad to get some sort of indication. I suspect Asobo have other more pressing issues to address.

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