Thank you very much.
Cool, is that lightsaber handle? jokiing, looks great though.
What diameter impeller are you planning to use Amberjet?
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Thank you very much VeFoil.
I test 68mm and 95mm 
Nice, are you direct drive with inrunner?
We did 110mm and 80mm and tested various pitches, but they were a little to large for the torque/thrust we needed with direct drive, we are now testing 58, 60 and 64mm. Talk soon.
I think that the 95mm diameter can be successful with a 3: 1 planetary gearbox.
Diameter 68mm will succeed without gears. Talk soon
Agreed, keep up the good work!
WNT agrees. All the screws you replaced are similar. My screw is very different from them. In my opinion, Archimedes’ screw is optimal in my project. Tests will show who is right.
Lampuga, LiftFoil, and others have forced water cooling. I eliminated forced cooling. Time will tell who is right.
LiftFoil, Virus and others have a planetary gear. I eliminated the planetary gear. Time will tell who is right.
Virus uses a planetary gear
Vefoil too.
And this is a modified Archimedes screw.
MHZ uses a powerful motor (22kW). Large diameter = high torque and does not have to have a planetary gear.
LiftFoil, Fliteboard and others use planetary gearboxes
I’m sorry WNT but I and continuing for several days will be tests.
For testing, a screw from a 3D printer is excellent.
WNT why should I trust you as soon as you criticize and do not offer anything in return. Show us what you can do master. Suggest a water jet propeller project without a planetary gear. If you have been doing so for so many years, propose a drive that is better than mine. Better than Virus. Better than LiftFoil. Better than FliteBoard.
Show us the best drive. Show me how it’s done.
Are these screws according to your WNT design ???
This is a little bit off topic from MHZ. Please continue the discussion here: DIY propeller / impeller
Thank you, very much 
Amberjet, I just say well done on the design/look of your jet. That is super sleek looking.
What size impeller are you testing with? and are your jet housing parts and nozzle 3D printed? They look like cast aluminum. Are you using 2.5" aluminum tubing there to allow for thicker wall and cooling vanes? That will definitely help keep things cooler. Wicked job man!
Not only fugly, but looks completely unsurfable. Like it was designed by someone who has never ridden a wave.
also interested in the battery.
the other scary part is the ESC is pretty exposed on that powertrain. I’d probably want to run that to its own waterproof compartment. If there was accidental damage to the hull, i feel that could be life threatening.
Ha yes glad I’m not the only one who thinks it looks like an ugly log.
But they have a video of a guy riding it so it works. Flat tail is good for jet pump but it’s dull looking . If you understand German there is a video of a guy walking us through his build and I got the sense that he modified the shit out of the original design and components to address the issues that have been mentioned here. But my German is non existent so He could have been saying it was the best designed board ever lol
One thing MHZ is not is a Bargain quality products for sure but you will pay for em.