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Thread: Arming spoilers

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    Arming spoilers

    Hello,
    I'm interested to how spoilers are armed in real.
    Before taxi it is performed I suppose?
    So, I read the manual and it says spoiler lever is pulled to armed position.
    If we think spoilers movement there is five detents first is 0?,
    then comes second, third is 1/2 and after four comes full. Does the pilot push
    the lever to first detent and then pull the lever up? How is this arming mechanism
    working? Thanks!

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    Once you pull the lever up from its notch at DOWN position, you set it just past the notch on the metal where it says ARMED and that's all.

    Not sure if thats what you meant or why you would want to arm spoilers before taxi...

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    MyCockpit Support Staff dodiano's Avatar
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    Airbus

    The procedure on the airbus is after engine start:

    - MODE SELECTOR ... IGN
    - APU BLEED ... OFF
    - APU MASTER ... OFF
    - SPEEDBRAKE ... ARM
    - RUDDER TRIM .... ZERO
    - FLAPS........ AT T/O SETTING
    - PITCH TRIM SET.
    - AFTER START CHECKLIST

    You arm the Speed brakes/spoilers on ground in case of an Rejected Take off

    Regards,

    Roberto
    Last edited by dodiano; 03-25-2009 at 03:27 PM.

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    Heli Builder fweinrebe's Avatar
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    Spoilers are normally armed before landing. The FS2004 default key assignment is "SHIFT + /".

    The reason it is done is that on touchdown they will deploy automatically, thereby distorting the airflow over the wing. This reduces the creation of lift and therefore helps keeping the aircraft stick to the ground.

    Spoiler lever operations probably differs from manufacturer to manufacturer.
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    MyCockpit Support Staff dodiano's Avatar
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    Airbus

    And when landing the Procedure is:

    - Gear Down
    - spoilers arm
    - taxi/turnoff lights ... ON

    Regards,

    Roberto

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    t.o. memo

    Thanks for clarifying this but...
    Project Magenta T.O memo asks a pilot to confirm "spoilers armed" before take off?
    If I don't do it, the memo is not completed. Is there a bug in PM memo and it should
    say : "speedbrake armed"?
    Yours,
    Markus

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    75+ Posting Member TobiBS's Avatar
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    Speedbrake and spoilers are generelly the same, at least the same surfaces on the wing are used for it and therefore the lever is the same, but of course the speedbrakes that are used in the air do not deploy so much as spoilers are doing it on ground. Therefore the term is correct.

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    2000+ Poster - Never Leaves the Sim Michael Carter's Avatar
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    Quote Originally Posted by mmakela View Post
    Thanks for clarifying this but...
    Project Magenta T.O memo asks a pilot to confirm "spoilers armed" before take off?
    If I don't do it, the memo is not completed. Is there a bug in PM memo and it should
    say : "speedbrake armed"?
    Yours,
    Markus

    Is there a Flight Control System test for the speedbrake/spoilers to be performed per checklist on the ground before takeoff?

    The 727 has this procedure, but they are moved OUT of the armed detent to DOWN after the test. This is just to ensure the alert is working should you deploy speedbrakes with the flaps in any position except UP.

    Bad spoiler mixing juju happens with this airplane.
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    75+ Posting Member TobiBS's Avatar
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    Quote Originally Posted by Michael Carter View Post
    Is there a Flight Control System test for the speedbrake/spoilers to be performed per checklist on the ground before takeoff?

    The 727 has this procedure, but they are moved OUT of the armed detent to DOWN after the test. This is just to ensure the alert is working should you deploy speedbrakes with the flaps in any position except UP.

    Bad spoiler mixing juju happens with this airplane.
    The A320 has an automated Checklist for Takeoff and Landing,all items are displayed in blue, after they are done, they change to green. I don't know which system does these checks, but its done automatically. And the Spoilers have to be armed not only for testing, they must remain in this position until liftoff, to ensure spoiler deployment in case of RTO. The system works a little bit different, then the boeing does.

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    Quote Originally Posted by TobiBS View Post
    The A320 has an automated Checklist for Takeoff and Landing,all items are displayed in blue, after they are done, they change to green. I don't know which system does these checks, but its done automatically. And the Spoilers have to be armed not only for testing, they must remain in this position until liftoff, to ensure spoiler deployment in case of RTO. The system works a little bit different, then the boeing does.
    Lol. I just realized this was in the Airbus forum. My apologies for getting all Boeingy.

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