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3" Ralmark roller-bearing pulleys

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  • #16
    Agreed, definitely worth it. Once you have the correct parts there will be no significant difference in the installation.

    Note that another somewhat unique trait of the Taylorcraft pulleys is that the bolts are AN3 ie 3/16" as opposed to AN4 1/4" for most commonly available pulleys.

    I bought mine through the Luscombe foundation and I was/am under the impression this was the only source.
    Scott
    CF-CLR Blog: http://c-fclr.blogspot.ca/

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    • #17
      I second that, my controls are smoother than a Cessna, I also had my yoke shafts rechromed too which helped a lot for elevator smoothness
      N29787
      '41 BC12-65

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      • #18
        Originally posted by Scott View Post
        Agreed, definitely worth it. Once you have the correct parts there will be no significant difference in the installation.

        Note that another somewhat unique trait of the Taylorcraft pulleys is that the bolts are AN3 ie 3/16" as opposed to AN4 1/4" for most commonly available pulleys.

        I bought mine through the Luscombe foundation and I was/am under the impression this was the only source.
        If I have the money, I can do a bulk buy from Ralmark, but then I get to sit on them and have the money out until they are sold. I have to buy about 500 of each size...I do have an alternate method to modify the original pulleys, I have bearings that I can press in, but I would need to set up my lathe to make it happen. The bearings are not cheap either...
        N29787
        '41 BC12-65

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        • #19
          ESPECIALLY adding that turnbuckle between the control wheels! It can be fairly small since it only has to adjust the difference between two teeth on a control shaft sprocket but it sure is nice to get the whee

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          • #20
            Not having the airframe to refer to (yet) I am in the process of stockpiling parts for the 46BC12D . Any one please that can provide me the number and size of the pulleys needed. About to make a call to Classis Aero... I do see the bolt size and thickness references in the post(s) Thank You .

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            • #21
              This is what I ordered:

              10 BB 228-AA PULLEY, 3"' TAYLORCRAFT, 1/8" CABLE, 3/16" HOLE 31.26 312.60T
              9 BB 229-AA PULLEY 1 3/4", TAYLORCRAFT, 1/8" CABLE 3/16" HOLE 29.80 268.20T

              Gary
              N36007 1941 BF12-65 STC'd as BC12D-4-85

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              • #22
                Gary , perfect than you Just ordered a set.

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                • #23
                  Someone said that prewar take 2 extra of one, so you may have 2 extra.

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                  • #24
                    GL Jim with your project. The Luscombe folks sent what they felt was required. I didn't install a couple of the small ones in the rear fuselage because it was covered. They can be replaced as needed later, or 3-D above is correct and not needed on later models. I don't know.

                    The factory pulleys were well worn so replacement was a good idea. Now the system friction is reduced and the cables inspected. Good for many years.

                    Also inspect the special trim cable pulley in the tail. It's got a "V" notch to better grab the small cable. If worn into a "U" carefully create a V shape again with the right file or tool like a flat thin saw blade.

                    Gary
                    N36007 1941 BF12-65 STC'd as BC12D-4-85

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                    • #25
                      Well I may have two extra. That is ok . Down the road may have a couple of extra. Thank you to all here. Gary thanks for the well wishes. Long way to go!!!!

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                      • #26
                        I’m stock piling stuff as I will need for 1940 BL-65. Is the list above about the same as I would need?

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                        • #27
                          Originally posted by Ken McC View Post
                          I’m stock piling stuff as I will need for 1940 BL-65. Is the list above about the same as I would need?
                          I have a 1941 BF12-65 S/N 2972 that became the equivalent of a BC12D-4-85 over the years via time and money injection. The list in #21 above is a copy-paste of my receipt minus personal info and the Luscombe document's components. That should work for a Pre-WWII Taylorcraft.

                          Gary
                          N36007 1941 BF12-65 STC'd as BC12D-4-85

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                          • #28
                            I have a set for sale, I guess people want to support the luscombe guy by paying him more than what I was asking!
                            N29787
                            '41 BC12-65

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                            • #29
                              Originally posted by 3Dreaming View Post
                              Someone said that prewar take 2 extra of one, so you may have 2 extra.
                              prewar control columns have 2 extra small pulleys on them

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                              • #30
                                Originally posted by astjp2 View Post
                                I have a set for sale, I guess people want to support the luscombe guy by paying him more than what I was asking!
                                Well, $655.55 later with shipping lol that would indeed have been a great thing. Sorry for both you an I that I missed that!! I don't mind supporting those guys...however .......

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