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#1
March 15th 04, 03:21 AM
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LOL - personally, I suspect if you use two pulse jets to cancel, all that will
happen is you will have a pulse jet twice as loud! But then again, I am not a noise expert ..... well sort of I guess, I know how to make it. 
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#2
March 16th 04, 01:06 AM
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LOL also...
But that twice as loud assumes that the sounds will 'sum'. If the argument that the sounds cannot subtract, then they should be just as hard to sum.... -- Dan D. .. "DJFawcett26" wrote in message ... LOL - personally, I suspect if you use two pulse jets to cancel, all that will happen is you will have a pulse jet twice as loud! But then again, I am not a noise expert ..... well sort of I guess, I know how to make it.
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#3
March 16th 04, 01:46 AM
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"Blueskies" wrote:
LOL also... But that twice as loud assumes that the sounds will 'sum'. If the argument that the sounds cannot subtract, then they should be just as hard to sum.... Think "double-barrel shotgun". Mark Hickey
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