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Re: Newbie with questions


  • From: P3D Paul Albers <PAlbers@xxxxxxxxxxx>
  • Subject: Re: Newbie with questions
  • Date: Tue, 11 Mar 1997 13:51:29 -0500 (EST)

P3D John W Roberts' wrote:'
> >Well, rockets will always be moving upwards or downwards at any point (and
> >much faster when in the upwards direction) so photos taken at differnt
> >times will be at different altitudes, and the rocket may be rotating
> >as well so any delay between shots would be unlikely to produce usable
> >3D frames.  Having a rocket over 15 feet tall is normal for high power 
> >rocketry, but not modle rocketry so I guess it's not possible. (If
> >I am wrong, please tell me.)  What would be the effect of using too
> >small of a base separation?  Would the photos just be too much the same
> >to produce a 3D effect?
> 
> Not so fast! You could have the rocket eject two 2D cameras, which hang
> down from their own parachutes (thus pointing straight down), take circular
> photos, and are timed to photograph a certain time after going to zero-G
> (for instance). You could put a spring in to push the cameras apart, or
> just rely on turbulence of the air to get the proper separation on some
> of the launches.

If the cameras are not rigidly held in place to point the same way, it
is *very* unlikely that it will happen at all, too much chaos in this
universe.  The idea of some kind of expanding platform sounds rather
James Bondish, I like it, but doubt it could be done without becoming
too heavy for a modle rocket.

Paul
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