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Control mounts of the BC12D

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  • Control mounts of the BC12D

    I would like to put the controls mounted on the small sub-panel below the main instrument panel in my 1946 BC 12D in the correct position as they left the factory. The only one I can definitely locate is the throttle in the center. Where do the others go exactly?(carb heat, fuel tank shutoff, cabin heat primer). Does anyone have an original flight manual/P.O.H.? I would pay costs for a copy.
    Thanks,
    Brian Neri
    Last edited by Brian Neri; 10-08-2014, 21:07.

  • #2
    Re: Control mounts of the BC12D

    From left to right:

    Carb Heat, Light Switch, Fuel Shut-off, Throttle, Primer (indented), Cabin heat, Mixture.

    This is from Instrument & Engine Control Installation drawing, 0884. (Maybe 0804)
    There was a thread a few weeks ago about some drawings being available for purchase. 8-10 in a package if I remember. Pay online and download. Panel drawing is included. PDF format.

    Mike Wood
    Montgomery, TX
    '46 BC12D
    N44085 #9885

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    • #3
      Re: Control mounts of the BC12D

      As I remember that is the order I put mine in and I had an original drawing with me. They were NOT in that order when I bought her! The really dangerous thing is if you put the original knobs on, they all feel the same and it is easy to pull the wrong one. REALLY bad when you pull the fuel shut off when you think you are pulling carb heat or cabin heat! You need to be sure you put the metal clip on the fuel shut off! Doesn't hold the knob worth a flip, but when you put your hand on it you know IMMEDIATELY!

      Hank
      Attached Files

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      • #4
        Re: Control mounts of the BC12D

        From the Drawing:
        Attached Files
        Tim Hicks
        N96872

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        • #5
          Re: Control mounts of the BC12D

          Originally posted by Hank Jarrett View Post
          As I remember that is the order I put mine in and I had an original drawing with me. They were NOT in that order when I bought her! The really dangerous thing is if you put the original knobs on, they all feel the same and it is easy to pull the wrong one. REALLY bad when you pull the fuel shut off when you think you are pulling carb heat or cabin heat! You need to be sure you put the metal clip on the fuel shut off! Doesn't hold the knob worth a flip, but when you put your hand on it you know IMMEDIATELY!

          Hank
          One of the few ADs addresses this of course. Just thought it an opportune moment for a general reminder to all.

          My only engine failure (to date!) was me as a Taylorcraft rookie pulling the fuel off on final instead of the carb heat...I immediately had the plane lined up for the crop at 90 degrees to final approach before I knew what I was doing. Needless to say, I realised my mistake and resumed ops normal shortly thereafter .

          I learned to keep my approach short after that, too!

          Rob

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          • #6
            Re: Control mounts of the BC12D

            Thanks for your help! I will use your sage advice to put the panel back in original order and of course include the clip on the shut-off valve.
            Cheers,
            Brian Neri

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            • #7
              Re: Control mounts of the BC12D

              Thanks for the really good advice about the clip! Will be sure to use it along with all the other info received!
              Cheers,
              Brian

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              • #8
                Re: Control mounts of the BC12D

                Thanks for the information and comments on Hank's posting. Will make sure I use the clip! This will help with the restoration/repair.
                Cheers,
                Brian

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                • #9
                  Re: Control mounts of the BC12D

                  I made a clip from a broom holder that you screw to the wall. It is a thin spring steel and it can be DANGEROUS when you open the hole in the bottom for the knob to go through! When you drill it make sure the bit doesn't grab and spin it like a miniature blender!!!!
                  You also will need to grind the sides down some and reshape it to grip your knob. Just grind VERY slowly a little at a time and don't let it heat up or you will take the temper out and it won't grip the knob. I had a stack of them that were annealed and worthless (lucky the broom holders came in packs of 6 or 8). ;-)
                  I also found some thin spring steel at the hobby shop that worked well, but remember if the drill snags it becomes a little saw blade. CLAMP CAREFULLY!

                  Hank
                  Last edited by Hank Jarrett; 10-13-2014, 11:00.

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                  • #10
                    Re: Control mounts of the BC12D

                    I used the broom clip like Hank suggests. I tried it first with without modification. But it was very hard to move the fuel knob. Then another TCrafter showed me the picture of his where he lopped off one whole side of the broom clip.
                    I tried the same and it works much better.
                    Below are pictures of my buddy's setup (with the cast control wheel)
                    And mine before and after the modification.
                    Attached Files
                    Tim Hicks
                    N96872

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                    • #11
                      Re: Control mounts of the BC12D

                      Dear Tim,
                      Thanks so much for the help. Will take this all under consideration. The pictures are worth a thousand words!
                      Cheers,
                      Brian

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                      • #12
                        Re: Control mounts of the BC12D

                        Great stuff! Thanks for all this information and tips!
                        Cheers,
                        Brian Neri

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