Building the FASTEST DIY submarine

Build your own CPS 5 with our online course: https://www.cpsdrone.com/

In this video we upgrade our CPS 5 underwater drone (DIY submarine, or ROV if you like) to be faster than Michael Phelps and ultimately battle our biggest challenger - a turtle.
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0:00 - Why Michael Phelps is slow
1:08 - Plan of action
2:33 - Redesign the drone
4:30 - Find good propellers
6:33 - Find good ESCs (fun)
8:21 - Assemble everything
9:27 - Test no 1
10:40 - Why is it so slow?
12:06 - Build a test rig
12:41 - Find what's going on
15:40 - Fix it & rebuild the drone
16:06 - Test no 2 & jumping
18:36 - Was it faster than a turtle?

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Music:
♪ Sunset (Prod. by Lukrembo)
Link :    • lukrembo - sunset (no copyright music)  

Footage of some speedy turtles:
Deluna Vision -    • Turtle chases fish  
Mark Hayward -    • Can Turtles Swim Fast?  You Bet!