How I built my own world record prototype - The APX hydroplane
Published at : 23 Dec 2025
Over the past year I have been designing and building my own electric boat, testing ideas I have to break the world electric water speed record currently standing at 114.2mph, and lead the way to a future 200mph design. APX is like nothing you've seen before, and if all goes well, she'll be the first in a series of prototypes designed to push the limits of electric power on water!
0:00 Intro
0:38 Current world record
1:09 The big challenges
2:54 A boat with suspension!?
3:20 Why an air propeller?
4:15 The electric system
4:30 Scale models
5:30 Wind tunnel
6:10 Structural design
6:43 What's next?
7:30 Shameless self promotion
I have recorded a lot of footage of all of the work that has led up to this boat, so let me know what you would like to see in a future video in the comments.
My website: cdaerostructures.com
For business inquiries, contact me at charles@cdaerostructures.com
Massive thanks to the Netley Cliff sailing club for helping me test my boat.
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