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  1. #1
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    Overhead Confusion.

    I am helping my dear friend (try) build an overhead for his 737ng and am looking for the size of just the forward panel (not the AFT), according to the opencockpits website the panels put together measure 662 x 787mm, but I have hears differently from various members. So what is the measurement of the forward overhead?

    EDIT: Does this sound right: 'forward: 26"X28" 66cmX71cm'?

    Cheers.

    Alex
    Last edited by AlexJ; 12-30-2009 at 04:55 PM.
    Building An Airbus In My Garage!

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    75+ Posting Member jonnydaz53's Avatar
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    Re: Overhead Confusion.

    Hi is your friend local as i have a overhead panel bare at the moment maybe we could hook up and you could take some measurments.

    Regards Jonny d

    south benfleet

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    Re: Overhead Confusion.

    Hi he lives in Birmingham, I am taking a trip up there in a few weeks time to help him make a frame but needs the overhead measurement to be correct first time round. I should be able to make a visit to you, and maybe you could show me a few things or two. I'm in Basildon so would easily be able to make a trip to yours. I will send you a PM very soon and maybe we can hook up or something.

    Kind regards. Alex
    Building An Airbus In My Garage!

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    Re: Overhead Confusion.

    Quote Originally Posted by Alex Jay View Post
    I am helping my dear friend (try) build an overhead for his 737ng and am looking for the size of just the forward panel (not the AFT), according to the opencockpits website the panels put together measure 662 x 787mm, but I have hears differently from various members. So what is the measurement of the forward overhead?

    EDIT: Does this sound right: 'forward: 26"X28" 66cmX71cm'?

    Cheers.

    Alex
    The extreme metal edges are 26 1/8" X 27 15/16"

  5. #5
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    Re: Overhead Confusion.

    The extreme metal edges are 26 1/8" X 27 15/16"
    So what's this in mm? I don't understand inches?

    Sorry if it sounds like a dumb question!

    Would this be the actual size of the whole forward overhead if I was to make it one panel, excluding frame?

    Cheers.

    Aj
    Building An Airbus In My Garage!

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    Re: Overhead Confusion.

    According to marcuspilot, I always take him as my reference, the measurements for the overhead are: width 670 mm and length 675 mm.

    There is a pdf on his website with all the measurement. The overhead is listed on page 32.


    Hope this helps,

    Regards Wendy

  7. Thanks AlexJ thanked for this post
  8. #7
    75+ Posting Member Jylhami's Avatar
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    Re: Overhead Confusion.

    Quote Originally Posted by Alex Jay View Post
    So what's this in mm? I don't understand inches?

    Sorry if it sounds like a dumb question!

    Would this be the actual size of the whole forward overhead if I was to make it one panel, excluding frame?

    Cheers.

    Aj
    1 inch = 25,4mm so

    26" 1/8 =
    26" = 26 * 25,4 = 660,4
    +
    1/8" = 25,4/8 = 0,675

    = 661,075mm ~ 661mm

    27" 15/16 =

    27* 25,4 = 685,8mm
    +
    25,4 / 16 * 15 = 23,8125mm

    = 709,6125mm ~709,5mm

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  10. #8
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    Re: Overhead Confusion.

    Quote Originally Posted by Alex Jay View Post
    So what's this in mm? I don't understand inches?

    Sorry if it sounds like a dumb question!

    Would this be the actual size of the whole forward overhead if I was to make it one panel, excluding frame?

    Cheers.

    Aj
    Alex the 1/8 is a fraction of one inch. If you were to divide one inch into equal 8 parts that is what the second number of 1/8 means. The one in front of the eight represents the measurement I need. So, it is 26 inches and one eighth of an inch, probably the equivalent of two coins stacked together. Same thing for the 15/16. We have just divided one inch into 16 equal parts(fraction) and the 15 in front of the 16 represents the measurement we need., we need fifteen parts of the sixteen for our measurement. 15/16 is almost one inch but is short about the thickness of a thin coin. Unless you do not have a scale is would be pretty hard to see what Iím trying to convey to you.

    For the most part 26"X 28" is close enough as you would not be able to tell the difference with the naked eye.

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  12. #9
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    Re: Overhead Confusion.

    Now I need to get the right size!

    Jylhami / Joe Cygan says: 661 x 709.5 / 26 1/8" X 27 15/16"

    Wendy refers to Markuspilot: width 670 mm and length 675 mm

    JackPilot: 660cmX710cm

    Opencockpits: 662 x 787mm

    There is a lot of difference between them all.

    Which one is right? Now I really lost and does not know which is the right measurement, I didnt think it would be this hard to work out?

    Are all 737ng overheads a different size?

    Thanks.

    Alex
    Last edited by AlexJ; 01-01-2010 at 10:10 AM.
    Building An Airbus In My Garage!

  13. #10
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    Re: Overhead Confusion.

    Well Alex I have two real overheads sitting in my office. I measured both of them for you and they both are the same dimensions. One is from a three hundred series and the other is from a four hundred series. The overheads to my knowledge have stayed the same dimensionally throughout all the series including the NG.

    Have you tried throwing darts?

    Joe

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