Posted May 3, 2020 I have a FlySky 6ch transmitter and receiver for an RC boat that I am renewing. Last year, I built it but the rudder actuator broke in the middle of the lake and I could not swim in it as it was infested with leaches and I didn't have salt or a towel. (I bike to the lake) I left it over night and got it in the morning. This time I am upgrading it with water cooling. I am going to do a DIY pump from a little brushed motor I have had sitting around for a while. I want to be able to power it from my receiver, but I would also like to be able to toggle the motor. Is there a good way to do this? I am not sure what channel I will connect it to, just as long as I can bind a switch to it (probably ch5). Thanks for anyone who helps, it means alot to me! Link to comment Share on other sites More sharing options... Link to post Share on other sites More sharing options...
Posted May 3, 2020 Author 17 minutes ago, James Evens said: Assuming the motor only takes DC use a mosfet to turn it on and off. Do you think you can link one? Link to comment Share on other sites More sharing options... Link to post Share on other sites More sharing options...
Posted May 5, 2020 what you are looking for here is a speed controller, they usually have a input that comes from the receiver which in turn controls the motor. something like this. https://hobbyking.com/en_us/turnigy-20a-brushed-esc.html Link to comment Share on other sites More sharing options... Link to post Share on other sites More sharing options...
Posted May 5, 2020 Okay - water cooling a boat, awesome - BUT... 1. I don't really think this is necessary. Awesome, but I think you could get by with air cooling if its a problem. 2. Point #1 aside, be aware that small pumps don't often tolerate grit/mud/silt very well. You should filter your intake. 3. If you have/know someone with a 3D printer, you can build something like this: https://www.instructables.com/id/3D-Print-Make-Servo-Controlled-Valves/ - this would just use one of your RC channels to control the servo for flow on/off. But again, just cool with air in my opinion and leave it constantly on. Update us with pics! Link to comment Share on other sites More sharing options... Link to post Share on other sites More sharing options...
Posted May 10, 2020 Water cooled RC boats are pretty typical. Getting airflow into a boat with a sealed (it should be sealed anyway) electronics compartment just isn't possible. Stuff like this is pretty common for boats: https://hobbyking.com/en_us/turnigy-aquastar-2842-2800kv-water-cooled-brushless-outrunner-motor.html Link to comment Share on other sites More sharing options... Link to post Share on other sites More sharing options...
Posted May 10, 2020 You want an RC controlled switch, like https://www.pololu.com/product/2803 or https://hobbyking.com/en_us/turnigy-receiver-controlled-switch-1.html?___store=en_us Many RC manufacturers have similar things. That or a simple brushed motor ESC. F@H Desktop: i9-13900K, ASUS Z790-E, 64GB DDR5-6000 CL36, RTX3080, 2TB MP600 Pro XT, 2TB SX8200Pro, 2x16TB Ironwolf RAID0, Corsair HX1200, Antec Vortex 360 AIO, Thermaltake Versa H25 TG, Samsung 4K curved 49" TV, 23" secondary, Mountain Everest Max Mobile SFF rig: i9-9900K, Noctua NH-L9i, Asrock Z390 Phantom ITX-AC, 32GB, GTX1070, 2x1TB SX8200Pro RAID0, 2x5TB 2.5" HDD RAID0, Athena 500W Flex (Noctua fan), Custom 4.7l 3D printed case Asus Zenbook UM325UA, Ryzen 7 5700u, 16GB, 1TB, OLED GPD Win 2 Link to comment Share on other sites More sharing options... Link to post Share on other sites More sharing options...
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