TRX4m Rock Bouncer - 3D printed chassis all Injora build - stupid fast gears, 370 motor & MB100 ESC!
2,999
Published 2024-06-30
Skint Banjo’s rock bouncer chassis for Traxxas TRX4m cults3d.com/:1896143
Injora 370 motor with gearbox s.click.aliexpress.com/e/_DDOP3qr
Injora high-speed transmission gears s.click.aliexpress.com/e/_DmsLdWn
Injora aluminum skid plate s.click.aliexpress.com/e/_DnbYs4J
Injora steel driveshafts (High Trail) s.click.aliexpress.com/e/_DDXG5Mj
Injora aluminum front axle (+4mm) s.click.aliexpress.com/e/_Des8SPH
Injora brass steering knuckles with weights s.click.aliexpress.com/e/_DFKdIhp
Injora brass servo mount s.click.aliexpress.com/e/_DFS65pN
Injora aluminum front axle, laydown servo (+4mm) s.click.aliexpress.com/e/_DcZBcIT
Injora axle overdrive gears s.click.aliexpress.com/e/_DdHtAjd
Injora brass extended wheel hex adapters (10mm) s.click.aliexpress.com/e/_DmayzKR
Injora 11kg high torque servo s.click.aliexpress.com/e/_Dl2WhXv
Injora 59mm shocks s.click.aliexpress.com/e/_Dlp1Z3t
Injora 59mm shocks with brass parts s.click.aliexpress.com/e/_Dl2lWf9
Injora brass high clearance links (High Trail) s.click.aliexpress.com/e/_DkezZCj
Injora MB100 brushed motor ESC s.click.aliexpress.com/e/_DkezZCj
Injora electronics shelves s.click.aliexpress.com/e/_DdzNcDv
Injora brass wheels s.click.aliexpress.com/e/_DEIvJtN
DJ Crawler 68mm tires with silicone inserts s.click.aliexpress.com/e/_Dmxdskf
@INJORA #Traxxas #TRX4m #RCCrawler #rccar #microcrawler #rockcrawler #rockbouncer #scx24 #fcx24 #fcx18
All Comments (11)
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Cool, I've been looking for someone doing build videos and explaining clearly the reasoning behind their choices. Subbed 🎉
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I'm probably the guy you read on Reddit posting the issue with Injora speed gears not fitting in the Injora transmission housing. The Meus transmission case & gears didn't have this issue. Also the 9.7:1 speed gears were too much for my rig, I was getting very bad cogging (with brushless / Cedar, so ymmv) but moving to 13.17:1 medium-speed gears helped a lot. Doesn't sound like a huge change but I can crawl + still rip donuts with that setup. Cogging isn't 100% gone but it's loads improved.
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That's a very cool build! Liked and subscribed. 😎
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I just found my next build.
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Wow! Super build. It reminds me of an Axial Ryft. I bet it's fun to drive. Bash and crawl. 🏆🏆
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Do you mind telling us what the total build cost was? Love the results, looks great!
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I made a crawler of traxxas and axial but the reality is a injora projects. Because this i only buy a parts and assembly
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rock bouncer is supposed to be fast. higher spool and lower pinion if you want more low end but the twitch will be speed controller issues
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is there a trx4 version? id love this
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so i found this chassis download on cults3d, but when i try to import it into Bambu Studio it says the file does not contain any geometry data. Any suggestions? Love your build!! Hoping to get mine started if i can figure out why my download has errors....
