Water cannon

G

GYROspiro

Member
Joined
Nov 1, 2005
RO Number
19442
Messages
7
Water wars have started, as with all wars an arms race has begun. So I am trying to figure out a way to make a 12v
water cannon, that draws water from river that I can use on my dinghy? I tried a 500 gpm bilge pump hooked to motorcycle battery but it only shot about 4 feet. Looking for suggestions
 
Will the pump hold pressure if you reduce the size of the outlet, right at the tip?
 
this is a hot topic around columbus day regatta down here. the best solution i've seen is a 5hp gas powered trash pump. connected to a 1 1/2" hose with a fire nozzel at the end. it will shoot a pretty healthy stream about 50 feet. anything that is electric with that much force would really be too large for a dinghy.
 
An ordinary 12v pressure pump such as normally used with your fresh-water system does fairly well through a jet-type garden hose nozzle.

There's no way though that it could compare with a "trash pump".
 
Can't help for 12v. Our water cannon is a 110v 1/2 hp swimming pool pump coupled to a 1.5" fire hose. Run off our gen we get about a 60' range with a large volume of water.
 
I would pay big $$ for a rig with a motion detector that would launch manure missiles at the jet skis and wakeboard boats zinging past my dock.
 
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