Exiwolfman
Quarry Creeper
Local hobby shop ,its available from traxxas now.Where'd you score that body?
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Local hobby shop ,its available from traxxas now.Where'd you score that body?
Sent from my Pixel 3 XL using Tapatalk
your advice worked out pretty good "thumbsup"
Smoked my stock motor today (literally, tons of smoke during a climb!) with probably 6 packs through the truck total - so I dismantled the front axle/portals/diff, swapped in fresh Jim's Bearings and got to work pulling the tranny to check for any weird stuff as I got this TRX4 used and there's always been a weird-ish binding noise. Pulled it all apart, inspected, and put it all back together but there still seems to be a weird bind that goes on in low gear for about 5-6 teeth and then it spins smooth again. It's not a crazy amount and totally might be normal but this is my first TRX so who knows, honestly. Got fresh bearings in the transmission and will do the rear axle tomorrow.
Now on to figuring out a power system. Thinking maybe Mamba X and a 6-pole sensored brushless of some sort (KRATOS maybe? are there any others?). I'm looking to gain a fair bit of 3S top end speed in 2nd gear as 10mph just doesn't do it for me, but not lose much low speed crawlability. It seems like with a 6 pole you can go up to 3800kv and still retain the low speed smoothness.
Any powertrain recommendations off the top of anyone's head? I think brushless is a sure bet for me as I can't be tearing up brushes as fast as I did with the Titan - I do lots of mudding and water crossings - but at the same time a KRATOS 6-Pole 3800kv + Mamba X is tipping $300 which is a bit nuts.
Smoked my stock motor today (literally, tons of smoke during a climb!) with probably 6 packs through the truck total - so I dismantled the front axle/portals/diff, swapped in fresh Jim's Bearings and got to work pulling the tranny to check for any weird stuff as I got this TRX4 used and there's always been a weird-ish binding noise. Pulled it all apart, inspected, and put it all back together but there still seems to be a weird bind that goes on in low gear for about 5-6 teeth and then it spins smooth again. It's not a crazy amount and totally might be normal but this is my first TRX so who knows, honestly. Got fresh bearings in the transmission and will do the rear axle tomorrow.
Now on to figuring out a power system. Thinking maybe Mamba X and a 6-pole sensored brushless of some sort (KRATOS maybe? are there any others?). I'm looking to gain a fair bit of 3S top end speed in 2nd gear as 10mph just doesn't do it for me, but not lose much low speed crawlability. It seems like with a 6 pole you can go up to 3800kv and still retain the low speed smoothness.
Any powertrain recommendations off the top of anyone's head? I think brushless is a sure bet for me as I can't be tearing up brushes as fast as I did with the Titan - I do lots of mudding and water crossings - but at the same time a KRATOS 6-Pole 3800kv + Mamba X is tipping $300 which is a bit nuts.
"Lots of mudding and water crossings" - this is not ideal with Brushless in my experience. Even with supposedly "ruggedized" brushless motors. Water and grit WILL find a way in. Not to say you can't do it, but be prepared to fully service and inspect the brushless motor after each of these outings.
If you prefer to mud and play around in water, I think you're far better off with a good brushless set up. HW1080ESC (about $40 all day long and awesome tuneability). Then select the brushed motor of your choice. For the cost differential, you could replace a brushed motor 6 times before you're in the price range of a good, hardened brushless set up. Just my .02 pesos.
Now on to figuring out a power system. Thinking maybe Mamba X and a 6-pole sensored brushless of some sort (KRATOS maybe? are there any others?). I'm looking to gain a fair bit of 3S top end speed in 2nd gear as 10mph just doesn't do it for me, but not lose much low speed crawlability. It seems like with a 6 pole you can go up to 3800kv and still retain the low speed smoothness.
Any powertrain recommendations off the top of anyone's head? I think brushless is a sure bet for me as I can't be tearing up brushes as fast as I did with the Titan - I do lots of mudding and water crossings - but at the same time a KRATOS 6-Pole 3800kv + Mamba X is tipping $300 which is a bit nuts.
I would go with the Mamba X and Holmes Hobbies Puller Pro 540 3500kv and run it with a 9t pinion.
https://holmeshobbies.com/motors/brushless-motors/puller-pro-series/puller-pro-bl-540-standard.html
"Also - should I expect more than 6 3s 5000 packs out of a brushed motor that's worked hard in all terrain? Prolonged 45 degree crawls (I have some lines up here that must be 800 feet or more, no relief for the powertrain), some moisture, etc?"
The short answer is yes. But given the scale of production of a motor like the Titan, "batch quality" certainly comes in to play.
"I'm loving staying under $100 all in for a new setup, but if the brushless setup will hold out for 4 times as long provided that I keep an eye on regular maintenance and inspection, it may even out eventually. I drive this thing a lot!"
It really all depends on what you want. Brushed is great for crawling in terms of the low speed resolution and start up that can be achieved. That said, brushless systems have gotten really good and can darn near approach brushed in that regard now. I run both systems over a half dozen rigs. I don't play submarine captain or do extensive mudding with any of my rigs though. Some creek crossings, puddles, some mud, but nothing crazy.
A brushed set up is going to be much more forgiving in regard to wet and muddy conditions. Not that you should, but you can kinda "ride 'em hard and put 'em away wet. The brushless is going to offer a good bit more performance in terms of wheelspeed and ability to "pop" out of obstacles - but again, it's going to demand a complete and thorough cleaning and inspection after EVERY mud and water run.
There really is no wrong or right with either one. You can spec an awesome brushed or brushless system. Like everything, they both have their own strengths and weaknesses."thumbsup"
PS - Did you ever do the long travel set up??????
Awesome - this is actually along the lines of what I was thinking. Any reason to go for the XL over the regular puller pro?
Dumb question, and roast me at your will: can I run this setup with the standard Traxxas 3s 5000mah 25C lipos? I've got a few of them already and will not change this - the compactness of the iD charger for travel and the ease of it all (I can't tell you how many balance leads on my aerial stuff would be thrashed or the pins pulled out before I switched to DJI) makes this setup a non-negotiable part of my kit. I can't be carrying around an ATX power supply with a 90 decibel fan anymore. Batteries should be trivial and hands-off and Traxxas has the closest thing to the DJI Smart Batteries on my aerial cine rigs.