[ARC5] Testing battleship radios

[J. Forster]

Maybe.

I certainly see what you are referring to, but the sun is almost overhead
and a little to the left. That would put the port side of the bow in deep
shadow, and any bow wave might be hidden by that shadow, giving the
appearance of asymmetry.

-John

==========



>>If you mean the white water under the guns, that is an effect caused by
> the gun blast, and is surface only
>
> Nope.  I'm referring to the white trails that extend from the bow
> backwards on only one side as noted in the picture, indicating side
> movement to this meager old brain.
>
> Just sayin'
>
> kn7sfz
>
>  http://en.wikipedia.org/wiki/Battleship
>
>
>
>
>
>   ----- Original Message -----
>   From: J. Forster
>   To: Richard Schumann
>   Cc: arc5 at mailman.qth.net
>   Sent: Saturday, November 03, 2012 10:47 AM
>   Subject: Re: [ARC5] Testing battleship radios
>
>
>   If you mean the white water under the guns, that is an effect caused by
>   the gun blast, and is surface only.
>
>   The actual linear motion is calculable from the Conservation of
> Momentum,
>   and a moded of how the ship moves through the water in the direction
>   opposite to the gunfire.
>
>   The rolling is calculable from the Conservation of Angular Momentum and
> a
>   roll model.
>
>   Depending on how the guns are aimed, there will be pitch and yaw effects
> too.
>
>   -John
>
>   ============
>
>
>   >
>   > All calculations aside, the picture here sure looks like the
> battleship
>   > moved in the water when the guns fired.
>   >
>   > Just my  $.02 worth.
>   >
>   > Richard kn7sfz in Orygun
>   >
>   >
>   > http://en.wikipedia.org/wiki/Battleship
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