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MOSAIC, LSA, and your Piper

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Posted In: UNICOM

  • Participant
    Eric Parks on September 1, 2023 at 8:00 pm #22220

    James,

    I am going to totally make a guess here…
    If you do some pretty creative stuff you can make a wing that will have a very low stall speed in the landing configuration but has a fairly high stall speed in cruise configuration. When I say this I remember the 727 with all it’s fancy devices that made the wing practically dis-assemble itself on landing. At any rate, the point here is that if the wing is “clean” it will be much higher performance but not as safe for engine out landings or unintentional stall-spin. So my guess is they want to ensure the plane stays in a certain performance range that is considered safe whether the wing is configured for landing or for cruise.

    Participant
    James Grahn on August 31, 2023 at 7:27 pm #22177

    I wonder why they don’t define this off of full flap configuration?

    Participant
    James Grahn on August 31, 2023 at 7:27 pm #22219

    I wonder why they don’t define this off of full flap configuration?

    Keymaster
    Kent Dellenbusch on August 30, 2023 at 11:07 am #22176

    Thank you Erick and Scott for discussing this.  

    Keymaster
    Kent Dellenbusch on August 30, 2023 at 11:07 am #22218

    Thank you Erick and Scott for discussing this.  

    Participant
    Eric Parks on August 27, 2023 at 2:47 pm #22217

    Scott,

    Yes, Thanks for the article. My brain recoils at trying to figure out FAR stuff! I’m not quite sure what the FAA is trying to do here since they are including more planes but cutting out quite a few that it would appear “should” be included. In the long run it seems a good move but I hope they find a way to get more Cherokees included.

    BTW, you inspired me to make my first comment on an FAR!

    Participant
    Eric Parks on August 27, 2023 at 2:47 pm #22175

    Scott,

    Yes, Thanks for the article. My brain recoils at trying to figure out FAR stuff! I’m not quite sure what the FAA is trying to do here since they are including more planes but cutting out quite a few that it would appear “should” be included. In the long run it seems a good move but I hope they find a way to get more Cherokees included.

    BTW, you inspired me to make my first comment on an FAR!

    Participant
    Scott on August 27, 2023 at 1:28 pm #22216

    This discussion isn’t over!

    The comment period runs until October 23, 2023. Make your feelings known here: https://www.federalregister.gov/documents/2023/07/24/2023-14425/modernization-of-special-airworthiness-certification

    I wrote a more comprehensive article which is in the September 2023 issue of Piper Flyer. Should be in your mailbox soon if it’s not there already.

    Participant
    Scott on August 27, 2023 at 1:28 pm #22174

    This discussion isn’t over!

    The comment period runs until October 23, 2023. Make your feelings known here: https://www.federalregister.gov/documents/2023/07/24/2023-14425/modernization-of-special-airworthiness-certification

    I wrote a more comprehensive article which is in the September 2023 issue of Piper Flyer. Should be in your mailbox soon if it’s not there already.

    Participant
    Scott on August 3, 2023 at 2:39 am #22120

    Yeah, that is strange when you put it that way. Something to do with pre-stall airflow separation patterns in the region around the pitot?

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