This Prototype 2 is much better,its powerful in the water.I have test it,and working good.
Thrusters weight is 1500 gram (one)
Size of the Thrusters,diameter 48MM,propellers is 100MM,length is 265MM
Size of magnet: 10MM X 10MM (Neodymium) Magnetic couplings have diameter: 39MM X 12MM, six hole.
I will now make a Vertical Thrusters, I only need one.(I will use same as prototype 2,with some modification)
Here is some picture:
![Image](http://imageshack.us/a/img268/6075/99454734.jpg)
![Image](http://imageshack.us/a/img546/8012/34154639.jpg)
![Image](http://imageshack.us/a/img13/6194/43497599.jpg)
![Image](http://imageshack.us/a/img267/2782/78476330.jpg)