I am looking to build a drive for my kayak. A DIY bixpy type clone, if you are familiar with that. I am probably in the wrong place altogether. But this seams to be the highest concentration of aqua motorized DIY that I can find.
I am currently running a hacked trolling motor with a DIY remote control on LiFePO4 batts salvaged from medical equipment. I have also almost finished a DIY batt. The motor is brushed and 12v. I would like to switch to brushless, higher voltage (24-36v I think) and maybe pick up a little more speed.
Can anyone give me direction, or point me to somewhere to sort through what motor and prop would work for displacement kayak propulsion?
Depends on the speed u want to go. Cheaper part and well working (6s) would be 6384 (jetboardcologne build). U in to a bit more speed, i suggest something with a gearbox for added torque and lower consumption. Plenty of builds here Idk how fast will it go until u test it
I got a suggestion to post pictures of my kayak for better responses. This is a 13.5ft Vibe Sea Ghost. I am currently running a 12v brushed Watersnake trolling motor, that I have hacked with RC remote control ESC, and a DIY remote in an Outterbox case. I get 4.5 mph on flat water pulling 15amps with a 4s LifePO4 batt salvaged from medical equipment.
Bixpy makes a commercial motor that runs 36v and gets about 6.5 mph. I am looking for similar or a little better performance
The Good of the land guy has shown me that first motor is not what I want. I am finding zero info on motor an prop combinations, like I am used to finding for drones. So I am still clueless on where I am going. But I am going to keep looking. But be sure to post what you try out
I have given up the search. I can’t for the life of me understand why there is zero thrust info available, for motors, props, or combinations thereof. But I would still love to do the project. I can copy like a zerox if someone comes up with a viable option.
A Bixpy has an output of roughly 400W, so in Your application 1000W should be more than enough? Your hull is short, so an economical hull & top speed will not be that high anyway.
The Bixpy unit has impressive speed compared to power, so assume a nozle works well in this speed range(it will add drag at higher speeds). Unless you will use gear, you need a low KV motor and low pitch propeller, you can calculate backward from design top speed. Probably a 100-120KV(24volt), 4-5 pitch might be a good staring point.