RC Jet Boat

My redesign to make it a lot more durable and simple to make it is still a work in progress.
If you have any question just leave a comment happy to help
I used the jet propulsion from: https://www.thingiverse.com/thing:2872620/remixes
First Test: https://www.youtube.com/watch?v=QF16K2_KRTc&feature=youtu.be
The Electronics i used-
https://www.banggood.com/2mm2_3mm3mm3_17mm4mm5mm-Copper-Coupler-For-RC-Boat-p-943629.html?rmmds=myorder&cur_warehouse=CN
https://www.banggood.com/Heatsink-Fan-Cooling-For-110-HSP-HPI-tamiya-FS-Kyosho-TRAXXAS-Yokomo-Wltoys-36mm-Motor-RC-Car-Parts-p-1279943.html?rmmds=myorder&cur_warehouse=CN
(I had to cut the prop shaft down with a saw in order for it to fit this project) https://www.banggood.com/Stainless-Steel-8mm4mm-Marine-Prop-Shafts-For-RC-Boat-p-934428.html?rmmds=myorder&cur_warehouse=CN
https://www.banggood.com/Racerstar-3650-Sensorless-Brushless-Waterproof-Motor-60A-ESC-For-110-Monster-Truck-Truggy-Cars-p-1056317.html?rmmds=search&cur_warehouse=