What is this thing on the wing good for?

Discussion in 'Aircraft Requests' started by Alexei_Krasnov, Mar 22, 2014.

  1. Alexei_Krasnov

    Alexei_Krasnov New Member

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    Hi,

    I was trying to figure out what is this thing on the picture good for:

    puq5TOn.png

    I've seen this, or something very similar on many of the WWII era airplanes (like the tip of the me262 left wing, etc) but I'm totally clueless what it does. Is it some kind of an instrument? TBH it looks like a lightning rod to me (pointy metal tube).

    I tried to search the web but my queries in the like of `what is the pointy metal tube on the wing` did not help much :)
     
  2. Wurger

    Wurger Siggy Master
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    This is a Pitot tube. This is used for measuring of an aircraft speed.
     
  3. GrauGeist

    GrauGeist Well-Known Member

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    Here's a pitot tube on a P-38...

    They are not always long, pointy structures. Sometimes they are small angled protrusions on the wing or in the case of aircraft like bombers, seen on the fuselage near the pilot's compartment.

    P-38_pitot_tube.jpg
     
  4. stona

    stona Well-Known Member

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    And modelmakers, the end is rarely in the under surface colour. It is more normally brassy or metallic as the pitot was heated. Iceing of the pitot means you can't measure your airspeed which can have disastrous consequences, even for an Air France airliner.
    Cheers
    Steve
     
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  5. fubar57

    fubar57 Well-Known Member

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    Ok, now that this is out there I can finally ask, is there any benefit between the long pointy one over the small bendy one or vice versa?

    Geo

    And just cross posted with Steve which answered another question. Thanks Steve.
     
  6. T Bolt

    T Bolt Well-Known Member

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    The long pointy ones are good for putting your eye out when you're walking around the plane :lol:
     
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  7. GrauGeist

    GrauGeist Well-Known Member

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    Good point and the photo (above) of the P-38's pitot shows a good example of that
     
  8. GrauGeist

    GrauGeist Well-Known Member

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    LOL yep! Had a few close calls in my time! :lol:
     
  9. Lucky13

    Lucky13 Forum Mascot

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    So the point being.....darn, I forgot the point that I was going to make, which makes this post rather pointless....just to point that out..
     
  10. N4521U

    N4521U Well-Known Member

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    #10 N4521U, Mar 22, 2014
    Last edited: Mar 22, 2014
    It has to be in clean undisturbed air is all. Mainly why it is "out front" or Under the wing and out near the wing tip. Every plane has one...... unless seat of the pants flying is your thing.

    ***BTW, these are the instruments it works with.
     

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  11. vikingBerserker

    vikingBerserker Well-Known Member

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    Wasn't a small propeller device used at one time?
     
  12. pbehn

    pbehn Well-Known Member

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    It is an Airfix model from the 60s....sand it down
     
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  13. Capt. Vick

    Capt. Vick Well-Known Member

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    I have seen a piece of metal, flat against the wind stream, read again a marked background used as an airspeed gauge on a New Standard Biplane up in Rhinebeck, New York.
     
  14. Airframes

    Airframes Benevolens Magister

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    I've got a piece of string hanging from the handlebars on my electric mobility scooter. If it's vertical, I'm not moving. If it's at 20 degrees I'm flat out. If it's at 45 degrees or more, I'm in trouble !!
     
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  15. Capt. Vick

    Capt. Vick Well-Known Member

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    Hahaha... Good one Terry!
     
  16. GrauGeist

    GrauGeist Well-Known Member

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    So...if the string is hanging anywhere between the 10 O'clock and 2 O'clock position, it is indicating that you exceeded 45 degrees? :lol:
     
  17. DerAdlerIstGelandet

    DerAdlerIstGelandet Der Crew Chief
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    :) That is the exact diagram that is in my flight instruction manuals.
     
  18. Airframes

    Airframes Benevolens Magister

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    Which means I've grossly exceeded the performance and handling envelope of the craft - a sure indication that, at the time of the transgression, I was on the way back from the pub !!
     
  19. GrauGeist

    GrauGeist Well-Known Member

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    :evil4:
     
  20. daHeld

    daHeld New Member

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    Funny, but not very helpful... :)
     
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