E-Revo dewalt conversion

[josh9mille]

Originally Posted by Big House

What is the benefit of using a drill motor...when you have Castle motors out there? Heck, for that matter the Castle clones in Leopard Motors? What is deal here?

dewalt motors are cheap, make big power for a brushed motor, have replaceable brushes unlike stock traxxas or KD motors. Its just a good cheap upgrade for people who dont have the money to go brushless.

[Overdriven]

Originally Posted by Big House

What is the benefit of using a drill motor...when you have Castle motors out there? Heck, for that matter the Castle clones in Leopard Motors? What is deal here?

Originally Posted by josh9mille

dewalt motors are cheap, make big power for a brushed motor, have replaceable brushes unlike stock traxxas or KD motors. Its just a good cheap upgrade for people who dont have the money to go brushless.

Well said Josh. I paid $28 bucks for my 14v dewalt locally. it was alot of fun before I decided to go whole hog into brushless and lipo. Being completely waterproof without affecting your warranty has it's perks too. I'll be swapping my dewalt and EVX2 back in and wrapping my lipos in seran wrap for some fun in the snow like I did last year.

I don't want to bad mouth Kershaw, but they're just rebadged generic motors. The dewalts are alot tougher. Mine did require one of the motor mount holes to be enlarged a little, the kershaw doesn't. But the hole I enlarged is not meant for standard 25mm bolt pattern motors, so it's doesn't ruin the mount if you want to use a different motor.

@Overdriven- One more question if you don't mind. How does the battery life measure up with the drill motors? I use DTX 5000 Packs.
@BigHouse- The advantages I see are price and durability. I currently have 3 18V Dewalt screw guns in my basement that I got dirt cheap/ free and only 2 hands so I figure why not give one of them a greater purpose in life right? :-) As far as durability I've had one of them for over 10 years now and it was used when I got it. I've used it to mix 5 gallon buckets of spackle, drive 3" deck screws and everything in between and the only thing I had to do was shell out $5 forna new set of brushes. Those things are bullet proof!

[crazyjr]

Originally Posted by josh9mille

dewalt motors are cheap, make big power for a brushed motor, have replaceable brushes unlike stock traxxas or KD motors. Its just a good cheap upgrade for people who dont have the money to go brushless.

another reason, there are some setups not truly made for brushless, Like the traxxas summit. Soft long throw suspension without swaybars and overpower do not mix

[Overdriven]

@Corey I haven't run NiMh in quite awhile. When I run my lipos on the dewalt in the winter I set the timer on my Tx to limit the runs to about 12min due to the lack of a LVC on the EVX2. But I don't remember there being much difference in run time between the titans and the dewalt when I was running NiMh.

@Overdriven- Again thank you. Dumb question but you run a single 14V right? Is the battery life significantly longer then the dual titans?

[JERRY2KONE]

I have a twin Dewalt 18v setup on my RCM/FLM Maxx with the Novak Heavy Duty ESC. With the 18volt motors you are adding a lot of extra weight, but the torque is enormous. Dewalt under rates its motors by about 50% for safety, leaving lots of room for higher voltage operation if you want. The thing about using the heavier duty motors is that you need to beef up your drivetrain to handle the power of these beasts. If you have ever used Dewalts 18v drills you know what I mean. You can gear it just about any way you like, and the motor will handle it. You just have to use common sense and watch your temps just like any other new setup. Sure its not the norm around here, but they are pretty cool to play with for the money you spend compared to brushless. I picked both of my motors up on ebay a few years ago for next to nothing, and they still run like new. A lot of guys have talked down using them, but they work great in the Maxx.

Oh and Kershaw Designs is a one man operation (Dan) and he is an alright guy. You treat him right and he will do the same for you. I have picked up a few things from him in the past with little issue. He even sent me the wrong spur gears once, and when I told him, he sent me the right ones and then told me to just keep the other ones. No extra charge for the mistake.

Thanks Jerry. I have the e-Revo would is setup from the factory for BL so I'm thinking a single 18V Dewalt shouldn't be an issue. What gearing would you recommend for that setup if I still wanna be able to get wheelies but also increase the high end as well? Sorry, I'm kinda new at this modifying stuff.

[Overdriven]

Yes I ran a single 14v. I've had thoughts about running 2 just for shits and giggles, but I kinda doubt the evx2 will handle it. If I ever get the time to make a mount and another motor I might try it on my MMM. Run time (battery life) on the dewalts is similar to the titans from what I remember on NiMh, maybe a couple minutes longer, not much tho. For gearing start out at 21t or 22t pinion and 65t spur. If you want more speed swap to a 62t spur. Just watch the esc temps, but in this weather the esc should be fine with the 22/62 combo.

It seems like Im one of the lucky ones when it comes to the drivetrain of my erevo. I've never broken anything except for one rear diff and that was after lots of abuse from a variety of motor setups. And it stood up to the 1520 on 6s lipo for quite awhile too. But dual dewalts would be just as tough on parts, and therefore alot of fun! I've actually been collecting parts for an Emaxx based 1/6 scale that will be a no nonsense allweather basher. Dual dewalts are under consideration due to price, durability and the not caring about overheating them factor.

Sounds like you're building quite a beast! Is it a pain to take the motor from the screw gun and get it all wired up right and fitting it in the truck?

[TexasSP]

Overdriven, I too had great luck with my erevo drivetrain even running a 6s CC2200 setup. It never failed on me and all of it was stock, diffs, shafts, etc. However stock servos were another story, they were a joke, either burnt up or stripped.

I like the dewalt motor idea for a high torque basher. It also still retains it's waterproof capabilities.

[Overdriven]

Corey. It's not hard. There's a bunch of threads on the traxxas forum that'll guide you if you need pics. Just unsolder the wires from both titans, twist them together (the titans are wired in parrallel, use both sets of wires) and solder them to the brush assembly where the spade connector goes. You'll probably have to enlarge a hole in the motor mount with a file or dremel. Worst part is getting the stock pinion off the motor and making a flat spot on the shaft for a rc pinion. I cut through the pinion with a dremel as much as I could, then put a flatblade screwdriver in the slot, twisted it to break the pinion.

TexasSP. Yea mine is all stock too, got it used and never checked or shimmed the diffs either. It took the dewalt, cc2200 on 5s for a long time, the 1520 on 6s finally killed the rear diff, but it took quite awhile. Oh, and I have my slipper locked too, I know someone out there is cursing my luck after hearing that! The dewalts are a nice setup for bashers that don't need to go over about 30mph. Over that and you should start thinking about a 2 speed trans to keep the evx2 happy. If my 1/6 emaxx starts getting heavy I'll go with a 1520, otherwise it'll be a dewalt on either side of the cd. Rather the dewalts because I won't be tempted to check the temps while pounding it. Either way I'll waterproof my v5 mmm and run a bigger fan on it.

That doesn't sound too bad. I'm actually almost looking forward to burning out my titans so I can upgrade. LOL Do you recommend a fan for the ESC to be on the safe side? If so are they fairly inexpensive and simple to install?

I have to second what Jerry said about Dan, he is a good guy. If I remember correctly he is a physics teacher and does the Kershaw Designs thing on the side. I have always had good luck with him and you can probably get some gearing ideas from him.

Thanks 76. I'll keep him in mind. Love your profile pic by the way. America needs someone like him again...