Thanks Neil, found it.😉
Interesting, but I was hoping to see what it does in the wet stuff; i.e. the Domestic Test & Trials Tank 😁
Here's a quicker link to the video
To copy the link just click on it in the address box so that the whole address is highlighted. Then press CTRL & C to copy it.
Press CTRL & V to paste it into a Post or eMail or whatever.
Cheers, Doug 😎
BTW; the vid after yours is interesting too 'How to make a submarine out of plastic bottles and Coca Cola'. And it dives!!😁