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07-22-2018, 02:21 AM | #1 |
Quarry Creeper Join Date: Mar 2018 Location: Indonesia
Posts: 287
| Full size replacement servo for TRX-4 transmission
I've gone ahead and pulled the diff lock servos out of my TRX-4 after one stripped its gears. I cannot buy Traxxas spares at all in Indonesia as Traxxas forbids anyone shipping to here except the official Traxxas dealer who has no online presence and doesn't answer their Hotmail address that Traxxas support gave me. A couple of washers gives me locked diffs now. I would like to keep the 2 speed. I've already ordered a standard servo mount and now I'm looking for a good replacement servo. I want waterproof, brushless and metal gears. I see some on FleaBay etc. but would like to see if anyone has good experience with a brand before making the purchase. Any suggestions? Sent from my LG-H870DS using Tapatalk |
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09-08-2018, 02:07 PM | #2 |
RCC Addict Join Date: Aug 2014 Location: Virginia, Near DC, USA
Posts: 1,607
| Re: Full size replacement servo for TRX-4 transmission
You don't need to use a full-size servo for the transmission. HobbyKing sells the Blue Bird BMS-373MG servo, which is a direct replacement for the Traxxas micro servos, and it has metal gears too. You will need to reprogram the transmitter to reverse the direction of the transmission servos, but that is easy to do. The instructions for that are in the Traxxas user manual for the transmitter. Here you can see the same servos in my Summit: Last edited by fyrstormer; 09-08-2018 at 02:10 PM. |
09-20-2018, 07:22 PM | #3 |
Quarry Creeper Join Date: Aug 2018 Location: calgary
Posts: 269
| Re: Full size replacement servo for TRX-4 transmission
Dont you need to set endpoints so you dont burn out the servo? is that possible with this servo?
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09-23-2018, 06:45 PM | #4 |
RCC Addict Join Date: Aug 2014 Location: Virginia, Near DC, USA
Posts: 1,607
| Re: Full size replacement servo for TRX-4 transmission
No, you don't need to set endpoints. The servo savers are quite loose, because they are designed to operate using the servo's factory-programmed endpoints. Also, the servo I suggested is analog, not digital, so it doesn't exert its full force unless the hub is significantly away from the specified position.
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09-23-2018, 08:52 PM | #5 |
Quarry Creeper Join Date: Aug 2018 Location: calgary
Posts: 269
| Re: Full size replacement servo for TRX-4 transmission
Thank you , thats good to know, why are so many people on here compaling then that you cant set endpoints and their burning out these servos?
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