TRX-4 Defender build notes Had an eye on this kit for a very long time. Finally a letter to Santa and it came true :) For the Defender body, the 8057 short to long chassis conversion kit is needed (that I knew of) AND 8215 body posts (missed that one...) Never build a Traxxas kit, some things are different, but I like them:
All in all, surpisingly pleasant build experience. A few build notes:
After chassis assembly I was left with two 3x10 screws, but can't figure out if they are extras or I missed something. Besides parts not used because of the conversion kit, these are literally the only extra parts left. Question: according to manual, plastic to plastic and plastic to metal rotating parts are not greased (gearbox fork; pinion to spur). Is it wrong to grease them? |
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Also, if you want to lube or grease those gears, cables, forks, shock body threads anything that needs to slide, rotate that can get dirty i would also use the dry lock on as well. Gives enough lubricant, and keeps dirt out and will keep stuff from getting rusty if your in water. Do the motor brushes as well but don't over do it, the stock motor will burn up in heavy water abuse (when the truck is swimming at full throttle) this helps keep the brushes clean and just add some between runs. Sent from my Pixel 3 XL using Tapatalk |
Re: TRX-4 Defender build notes For now it's indoor only, want to keep it clean :) but also minimal gear noise Two more notes:
Any ideea where I can order scale accessories with combined shipping, or sold as sets (things like barrel, box, shovel, luggage net etc.) |
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Sent from my Pixel 3 XL using Tapatalk |
Re: TRX-4 Defender build notes Having a faint clicking in the high gear. Before I take apart the gearbox... anybody else had that? |
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The only thing that should not be lubed up is the shift fork for the diff unlock in the axles. Seems to clog up the fork for some reason. "thumbsup" |
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If you mean a ''click'' sound right after you switch gears, as you press the throttle, it probably comes from the gear servo as it gets into position. |
Re: TRX-4 Defender build notes Even though my trans is single speed, I have a faint ticking that’s rpm dependent. I’m attributing it to the driveshafts are out of phase from the factory. Transmission tear down and re-do is on my to do list. |
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That grub screw is right up against the side of the pinion teeth. I had the same noise and had to move my spur gear front on the shaft a little farther. |
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Thanks! I’ll check that out |
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Yep, that’s happened to me a few times. Very annoying when out on the trail and all you hear is ticking lol. _________________ SCX10 ii TRX4 |
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Re: TRX-4 Defender build notes OP post pics of your rig, in case you hadn't noticed we love pics. |
Re: TRX-4 Defender build notes Had the "pinion screw hitting spur" right after build, fixed at that time. What's left is a constant speed dependant faint clicking only while driving in high gear (not the gear change noise). Oh, yeah, pics, sure. Most are before the scale accessories arrived, while I was exploring various "how did I got into this position" moves. Hint: put different size empty boxes under the rug for a bit of indoor fun. https://i.ibb.co/0FNrb7H/IMG-20210314-171114.jpg https://i.ibb.co/hCR3bjk/IMG-20210127-181144.jpg https://i.ibb.co/YfhBpK6/IMG-20210108-205453.jpg https://i.ibb.co/Jrb4Gdj/IMG-20210108-204156.jpg https://i.ibb.co/8rfMvD9/IMG-20210127-181328.jpg https://i.ibb.co/cxFhqy3/IMG-20210308-165338.jpg |
Re: TRX-4 Defender build notes So, had this faint transmission clicking for a while, audible in high gear. Getting caught with other things and ignored it, until now. Good news, not the gearbox. The noise came from the shafts, especially the front shaft. Well, not the greatest shafts and no grease on them - until I noticed the front axle going not as smooth as the back axle. No time today to tear it apart but loosening and tightening back the diff cover screws made things a lot better. Noise (almost) gone under no load. Not the first car on which the diff housing causes issues. Should have checked more carefully during the build. In my defense I was on a sort of schedule. |
Re: TRX-4 Defender build notes Not to start a flame war... how satisfied are you about your trx4 in stock form? Compared to how other stock crawlers perform. Except the weak servo (which does not even require a saver, since it cannot break anything, lol), giving the high cog, I am pretty much impressed - but I only had a modded scx10 some years ago. Handles well and does not "jump around" as lighter crawlers tend to do. Just not a fan of how the front CVDs perform under high angle but that's how a single joint cvd is. |
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