RCU Forums - View Single Post - Large Scale Tug Boat propulsion
View Single Post
Old 03-26-2014 | 12:16 AM
  #10  
mfr02
 
Joined: Jul 2007
Posts: 1,432
Likes: 0
Received 33 Likes on 33 Posts
From: Blackpool Lancs, UNITED KINGDOM
Default

Whatever it gets powered by, it will weigh the same. Something about Archimedes' Principle.