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Receiver for Vex Robotics 6 channel radio

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  • #16
    Look at the 40 sec of this Bob video and you will see that receiver. The only different the servo pins are pointed up on the one and on the other the servo pins are pointed side ways, but still same unit

    https://www.youtube.com/watch?v=mRch...annel=RCSubGuy
    Last edited by Sinksalot; 10-30-2022, 05:08 AM.

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    • #17
      Originally posted by Sinksalot View Post
      Look at the 40 sec of this Bob video and you will see that receiver. The only different the servo pins are pointed up on the one and on the other the servo pins are pointed side ways, but still same unit

      https://www.youtube.com/watch?v=mRch...annel=RCSubGuy
      Actually the one in the video is an EK2-0420A and the one on Ebay is an EK2-0420. I do also definitely see the Vex crystal in the receiver. Close enough match that I bought one. Hopefully it will work well. Thanks again =)
      Last edited by GwenB; 10-30-2022, 05:26 AM.

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      • #18
        Originally posted by Sinksalot View Post

        That the same receiver Bob used to sell before they became hard to find. You can look at his old videos and you will see 72mhz with a Vex crystal in it
        While those receivers were labeled 72mhz, they were returned to 75mhz.
        Also, from what I've heard, Tony with Radio South is basically retired and only working as he wants to. I wouldn't count on that as a resource for retuning radios.


        Bob

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        • #19
          Thanks Bob.

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          • #20
            Originally posted by neitosub View Post
            75mhz crystals won’t work with 72mhz receivers out of the box. I think there are services to retune a 72mhz receiver to accept 75mhz crystals. I have the same Vex 6ch transmitter, I’m using it with a 75mhz synthesized receiver I found on Ebay. They do pop up from time to time.

            Some do some don't.
            The problem is some receiver with a 75mhz crystal will turn from (-) to (+) shift, Vice versa. If you don't have a transmitter that can switch between shift.

            Some old Hitec computer Tx can.
            ER9X FIRMWARE TX can.
            Good old Polk's transmitter can.

            No can do with Futaba (VEX), JR or Airtronics.

            Going to list all the 72mhz receiver that i have works under 75mhz crystal.

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            • #21
              Looks to me like if we want this hobby to stay alive we really need to find somebody willing to make new 75mhz RC radios.

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              • #22
                Originally posted by GwenB View Post
                Looks to me like if we want this hobby to stay alive we really need to find somebody willing to make new 75mhz RC radios.
                Found a few manufacturers out of China that would start making them again, provided we commit to a MOQ (minimum order quantity) of 1000 units. If you have a spare $100K lying around, we should be in good shape...

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                • #23
                  oh yeah, no problem... hehe

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                  • #24
                    Originally posted by RCSubGuy View Post

                    Found a few manufacturers out of China that would start making them again, provided we commit to a MOQ (minimum order quantity) of 1000 units. If you have a spare $100K lying around, we should be in good shape...
                    $100K, hmmmmmm i just had that laying around here somewhere..........now what did I do with it?


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                    • #25
                      Originally posted by RCSubGuy View Post

                      Found a few manufacturers out of China that would start making them again, provided we commit to a MOQ (minimum order quantity) of 1000 units. If you have a spare $100K lying around, we should be in good shape...
                      I currently have one more of the VEX receiver that I purchased from Nautilus Drydocks left. I think it may just be the right time to go with the 2.4 systems from now on, and if installed properly they work great for my applications!

                      Rob
                      "Firemen can stand the heat"

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                      • #26
                        Originally posted by RCSubGuy View Post

                        Found a few manufacturers out of China that would start making them again, provided we commit to a MOQ (minimum order quantity) of 1000 units. If you have a spare $100K lying around, we should be in good shape...
                        https://youtu.be/KKjIKSmHoY8
                        Make it simple, make strong, make it work!

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                        • #27
                          Originally posted by rwtdiver View Post

                          I currently have one more of the VEX receiver that I purchased from Nautilus Drydocks left. I think it may just be the right time to go with the 2.4 systems from now on, and if installed properly they work great for my applications!

                          Rob
                          "Firemen can stand the heat"
                          Are you saying you have a 75mhz receiver you're willing to sell?

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                          • #28
                            Originally posted by GwenB View Post

                            Are you saying you have a 75mhz receiver you're willing to sell?
                            No! That receiver will be going into a final 75mhz sub build, and then I am converting over to 2.4 systems.

                            Rob
                            "Firemen can stand the heat"

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                            • #29
                              Originally posted by rwtdiver View Post

                              No! That receiver will be going into a final 75mhz sub build, and then I am converting over to 2.4 systems.

                              Rob
                              "Firemen can stand the heat"
                              Didn't hurt to ask =P

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                              • #30
                                I just received the e-sky 72mhz receiver I bought on ebay and I am pleased to say that it works just great with my Vex radio and both 75mhz crystal sets I have for it. Woohoo! Not bad for $21 =)
                                Last edited by GwenB; 11-02-2022, 08:04 PM.

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