Yeah that was me. Putting both the gun smoke and the exhaust smoke shouldn’t really overwhelm anything. The biggest thing I’d worry about is overloading the circuit leading through the slip joint (they usually can only sustain 1.5 to 2 amps per circuit/wire pair). It appeared to have its own dedicated VCC and ground running through the slip joint, so that shouldn’t be an issue.Stormbringer wrote: ↑Fri Sep 26, 2025 1:24 am Didnt someone earlier in thread mention using a Y lead where you can connect 2 things to same port on mfu ?
could be worth a try and might save you some money
Just so we are clear, I have never done the Y harness on the smoker port of a V3 personally, but I don’t really see a reason why it wouldn’t work or damage anything. While heaters do use more amps than a lot of the components you would find in the a 1/16 RC tank, besides the drive and traverse motors, I don’t think it would be so much as to cause any issues. I have two standard sized (meant for 1/16 scale) heaters hooked up in my 1/8 model and I was worried that together they were going to use more amps, along with other components, that what I allotted through the slip ring, but I remember it not being that much, comparatively, when I measured it with a multimeter.
The JST XH Y harness will save you some major bucks (like $5 versus ~$300 plus an RX/TX) for sure if all you care about is having both exhaust and gun smoke. This is assuming that there is already a gun smoke card in the model that just needs power running to it. Was that ever established? I forgot, and I’m too lazy to go back and dig through the posts.




