Bob the Builder wrote:Another good link concerning propelling a model boat through salt water with this propulsion system:
Hope this helps a bit.UBC site.
Interpol wrote:I doubt that we will ever get one small enough to work on subs in the RC scale. At least, not until my kids are old enough to drive.
What speed will the boat be going after 30 s?
a = v/t therefore v = at = (0.04m/s2)(30s) = 0.0012 m/s = 1.2 mm/s
JWLaRue wrote:>>> I remember seeing a ferry in Hong Kong that had this technology on it, it is nothing new, as this was well over five years ago.
I must admit that I find this difficult to rationalize. If this were to be economical when used as a commercial ferry propulsion system, then the military would likely have been using this for years. Given the power available through a nuclear reactor, it'd be a no-brainer!
Could the ferry have been using a ducted pumpjet? To the external observer, they both 'push' water.
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