Interesting report on the P-51

Discussion in 'Flight Following' started by MauleSkinner, Oct 27, 2020.

  1. MauleSkinner

    MauleSkinner Final Approach

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    Last edited: Oct 28, 2020
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  2. Sierra_Hotel

    Sierra_Hotel Line Up and Wait

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    Wow that's cool!




    What report?
     
  3. Dr. O

    Dr. O Pattern Altitude

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    What report?


    It's on a need to know basis - and guess what :D
     
  4. Initial Fix

    Initial Fix Pre-takeoff checklist

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    looking forward to reading. Did something get deleted?
     
  5. david.h

    david.h Pre-takeoff checklist

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    Umm, ????
     
  6. Dave Theisen

    Dave Theisen En-Route

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    Still Top Secret after all these years?
     
  7. Half Fast

    Half Fast Final Approach

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    Wow. I never knew they were implementing stealth technology back then...
     
  8. MauleSkinner

    MauleSkinner Final Approach

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    The link was written in invisible ink...you have to pee on it to activate the ink. Took care of that for ya.

    Oops.:oops:
     
  9. Zeldman

    Zeldman Touchdown! Greaser!

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    You do know that forgetting to put links in your own thread is a sure sign of...ahhh....ummm... What is it called when old folks forget things a lot.?? :lol::lol:
     
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  10. jsstevens

    jsstevens Final Approach PoA Supporter

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    Normal?
     
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  11. Snowmass

    Snowmass Line Up and Wait

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    And comments just written in cursive. Who writes in cursive now for engineering documents? Very nice to see some actual test info as opposed to the endless opionating we usually get.
     
  12. Vance Breese

    Vance Breese Line Up and Wait

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  13. NordicDave

    NordicDave Pattern Altitude PoA Supporter

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    I have a P-51 training manual from the Korean War period. Here’s one of my favorite training illustrations from this Airforce manual:

    80643FDD-4E78-48B6-B45E-8B9080E54B1C.jpeg
     
    Last edited: Oct 28, 2020
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  14. brcase

    brcase Pattern Altitude

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    Cool, wish I had had that document when i was actually designing a replica Mustang.
    I also learned my new word for today "Theodolite", even though I used one while building the tooling, I didn't know that was the name for it.

    Brian
     
  15. RonP

    RonP Pre-takeoff checklist

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    One piece of technology that is rarely mentioned is the “Meredith Effect”. The belly scoop where the cooling radiator is presents a lot of drag. This really smart guy, Meredith, came up the theory that cold air heated and with the proper ducting can actually produce thrust. This was applied to the P51 and the amount of thrust produced by cold air being heated by the radiator and discharged out the back is slightly greater than the amount of drag induced by the belly scoop. Hence the scoop drag is cancelled out by the thrust produced by the Meredith effect. There are smart guys out there and I am not one of them,
     
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  16. Stan Cooper

    Stan Cooper Pattern Altitude PoA Supporter

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    Great find. It would be interesting to compare the performance in this report (Allison engine) with a similar report of the airframe equipped with the R-R Merlin.
     
  17. Ghery

    Ghery Touchdown! Greaser!

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    CRS disease. CRS stands for Can't Remember Sh&^. Nothing to worry about, as noted above it's "normal" for us "older" people.
     
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  18. Let'sgoflying!

    Let'sgoflying! Touchdown! Greaser! PoA Supporter

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    Imagine that!
    thanks for reporting about it!
     
  19. midwestpa24

    midwestpa24 En-Route

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    Maybe Peter should look into this for the Raptor. It has plenty of hot air!
     
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  20. kyleb

    kyleb Final Approach

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    Your wish fulfilled: http://www.wwiiaircraftperformance.org/
     
  21. Stan Cooper

    Stan Cooper Pattern Altitude PoA Supporter

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    Wow! That's the motherlode of WW2 fighter data. P-51, F4U, P-47, P-38, Fw-190, Me-109, Hurricane, and more are covered.

    Thanks!