Power Testing The Diy Electric Surfboard With New ZTW 300A ESC'S
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- Опубліковано 14 чер 2024
- Hi its time to power test the diy electric surfboard with the ZTW 300a esc's.
I am looking to build a powered e surfing board that can stand up to some of the best electric motor jet boards out there. Being a homemade electric surfboard there are alot of factor's to consider so In these tutorial's i go through pretty much each process in crafting a double waterjet powered jet surfboard so that it can help other's also interested in building there own personal watercraft.
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Thanks The Waysider.
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Thanks for the update, I’ve been looking forward to more news on you project. I know how time consuming and expensive these boards are.
As others have said you will need at least 8kw, so simple maths 22.2v 360A. I’m sure you will end up at 12s or even 14s to keep the current reasonable.
I don’t know if you have seen Mark at YOUNGSTERS JETS has just done a new board with his own jets. The performance he gets is outstanding, if you look through some of his videos there are a lot of technical clues.
Your board is still the best looking DIY board out there, can’t wait for the sea/river trails.
Hey there now it seems to work well the next test or ride should be fairly quick to do. I have seen the channel you are on about and he is good, it gave me the idea in the first place. He ran his on 6s in the beginning so am going to try that first that way i can really feel the difference going to 12s all be it i will lose run time. Thanks for checking in .
@@thewaysider7774 I will keep an eye out for next video, thanks for posting.
Love the build. Started mine a couple years ago, almost done with the 3rd and final version. Couple tips from my experience so you don't have to repeat my mistakes.
Get a much lower pitch impeller, when you go 12s those motors are going to be pulling near 300 amps based on the testing in this video. Amp draw is not linear with rpm increase in this situation.
EVERYTHING gets hot in our sealed hatches, add some of those mini water cooling blocks for computers to anything and everything you possibly can.
Look up RC capacitor packs and add one to each ESC as close to the ESC as possible on the battery input side. Very cheap to do and will save you from blowing them with voltage spikes.
You will need minimum 8kw for any fun. Preferably 9.5+. Calculate your needed amp draw at full throttle with the voltage youre using and 3d print different pitch impellers until you hit that spot.
Can't wait to see this thing ripping!
Hi thanks for the info. How do you come up with the kw needed i suppose i could google it but might as well ask.
@@thewaysider7774 most professional boards advertise at 10kw plus. I tried on my second board with battery half charged and did not get on plane (approx 7.5kw). Next run where fully charged I did get on plane (approx 9.2 kw)
@@Koolzr01 OK cool i will try it all, next up i want to try a traction test just waiting for the scale to arrive and i did a calculation each motor at 150amp is giving 3.3kw at 22v so 6.6kw in total. 150 amp is the rating for the motor so i will have to go to 44v i think.
@@thewaysider7774 if you're saying 2 motors at 44.4v x150 amps that's 13kw. That thing should rip! Can't wait to see the video!
@@Koolzr01 hey i will be a little more consevative with the amps because the motor's max out at 150 so around 149.9 should be great. only joking it hopfully will be fast we will see.
I made sure I watched all the videos, but I couldn't find a detailed enough description of the thruster. (Maybe I missed something?) Can you please share what 3d model you used for the thruster?
Also what do you think after the first tests, is this the right diameter of thruster for your engines?
Hi I found the thrusters on thingyverse but they don't seem to be on there anymore.i re-dresigned the nozzel's to change the size a little and the prop's you can still find on thingyverse but there are other jet drives worth looking at on the site, you will just have to upscale in a slicer before printing. For me I am running around a 64mm prop at the moment but can change later if need be. For the moment I am happy with the new esc's but not sure untill I do more testing about the power it seems ok but will try 44 volts soon.
Are those cable really enough to run 100A continuously? Also why not do 10S to reduce the Amps on those cables? How are those cells holding up if you are running that much current out of them?
Hey there. 100amp is nothing the cables should be more than enough , also as I up the voltage the amps should go down but I will keep an eye on everything. The other reason I am going to run 12s is I can put 2 of my 6s in series but will lose running time. Thanks for the comments we will see together how this thing turn's out.