5ive T Build - 16s of Brushless Insanity

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tacky187

tacky187

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I wanted to share my latest rig build with my fellow enthusiasts.

The truck itself is a tank with every major upgrade you can imagine:
  • Taylor chassis
  • Taylor diffs
  • Vitavon everywhere (diff housings, center diff mount, steering assembly, hubs and carriers)
  • IRC big bore shocks
  • Bonehead carbon fiber shock towers
  • Custom chassis brace bar
  • And more small things
The 16s goodies include:
  • Max Mad 21 70v ESC (awesome)
  • SSS 56135 500kv motor (insane power)
  • Top Tuning motor mount
  • 3D printed steering servo and rx box
  • 3D printed dual battery trays
  • 3D printed ESC mount
  • 4x SMC HVC packs w/ Lipo alarms
The weather outside has not been fantastic, but early bashing has been a complete blast so far. I have the start power on the low setting and the punch set to the middle and it's just ridiculous. Pretty sure I haven't even had it past 60% throttle before it feels like it's going to take flight, even with the extra weight. At a local park, there is a sand/gravel area and I turned the punch up a bit and it was like my own personal Normandy invasion. :LOL: Is it overkill? Abso-freaking-lutely. But do I love it? Yes, yes I do.

When it gets warmer outside, I'll get some videos of the beast in action to share.

IMG_3243.webp
 
Pablo13 said:
Are the STL files available easy enough?
Click to expand...

I designed the pieces myself and have created a pretty sweet modular system that supports a few different configurations across multiple chassis's for the 5ive T and 5ive B. I'll be taking pics and making a dedicated post on that. I am not sure about releasing them *yet*, but I as soon as I get my annealing oven I plan on sending some pieces out to some folks to install and get feedback.

Btw, I learning a lot about Voltage sag, internal resistance and the important of good batteries on this project. I got lipo alarms because trusting an automatic cutoff with 4 packs is disaster waiting to happen. This ESC can do north of 600A, so even on a full charge, my batteries were triggering the 3.5v cutoff under load. No matter what setting I changed, the monster just kept pulling too much. Sure enough I got a little tool that measures internal resistance and these batteries had a ton of it. It's no wonder these cheaper packs will puff; if I am dipping below 3.5v at a 4.2v charge, how low will it dip when the charge is 3.7v...
 
Stevemann said:
Really like the chassis brace, was thinking of doing something similar on mine as well
Click to expand...

It's already come in handy taking the brunt of a crash when I hit a jump wrong. If you like the single bar approach, this is the Arrma Mohave 6S center bar (ARA320505).

UPDATE: My original center bar part number is incorrect. That center bar is a combination of smaller bars. I have some pieces coming to construct a new one and will post the correct composite
 
Last edited:
I’m currently running on 12s, 58spur and 28pinion. The motor gets hot pretty fast. Just wondering if my gearing is wrong.
 
I treat it like a 1000kv motor on 8s (~35k rpm), so I think I have a 19t on there right now. I could add way more gearing to it but it already is barely controllable and runs super cool. Still waiting for it to get warmer and then I'll really play around with gearing, esc settings and then thicker diff fluids; I know I am way too light right now.

What motor are you running? 800kv or the 560kv? I assume the 560, since a 28t on an 800kv is really steep. Just remember, load (weight and/or terrain) plays a huge part in motor temps. If you like how it drives, try adding a couple of 28k RPM motor fans and watch your temps.
 
it’s 560kv. I changed the pinion to a 21T. Will give it a try tomorrow at the park and see how it goes.
 
tacky187 said:
I wanted to share my latest rig build with my fellow enthusiasts.

The truck itself is a tank with every major upgrade you can imagine:
  • Taylor chassis
  • Taylor diffs
  • Vitavon everywhere (diff housings, center diff mount, steering assembly, hubs and carriers)
  • IRC big bore shocks
  • Bonehead carbon fiber shock towers
  • Custom chassis brace bar
  • And more small things
The 16s goodies include:
  • Max Mad 21 70v ESC (awesome)
  • SSS 56135 500kv motor (insane power)
  • Top Tuning motor mount
  • 3D printed steering servo and rx box
  • 3D printed dual battery trays
  • 3D printed ESC mount
  • 4x SMC HVC packs w/ Lipo alarms
The weather outside has not been fantastic, but early bashing has been a complete blast so far. I have the start power on the low setting and the punch set to the middle and it's just ridiculous. Pretty sure I haven't even had it past 60% throttle before it feels like it's going to take flight, even with the extra weight. At a local park, there is a sand/gravel area and I turned the punch up a bit and it was like my own personal Normandy invasion. :LOL: Is it overkill? Abso-freaking-lutely. But do I love it? Yes, yes I do.

When it gets warmer outside, I'll get some videos of the beast in action to share.

View attachment 107912
Click to expand...
Wow… looks insane! Can’t wait to see the vids. Does it wheelie?
 
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