Re: [GZG] Thrusters

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can have rearward facing thrusters that have a cone that moves to  
effect reverse thrust.

see
http://en.wikipedia.org/wiki/Image:Boeing_737-200_thrust_reverser.jpg

On Dec 11, 2008, at 11:40 AM, Hudak, Michael wrote:

> A lot of the ships I've seen from Jovian Chronicles (www.dp9.com)  
> have 'vanes' on the rear thrusters to help turn the ships without  
> retro rockets.  Granted, not really useful for braking.....
>
> From: gzg-l-bounces@vermouth.csua.berkeley.edu [mailto:gzg-l- 
> bounces@vermouth.csua.berkeley.edu] On Behalf Of Tom B
> Sent: Thursday, December 11, 2008 11:27 AM
> To: gzg-l@vermouth.csua.berkeley.edu
> Subject: [GZG] Thrusters
>
> One possible defense of thrusters...
>
> Imagine your reaction mass/reaction chamber is in the center of the  
> ship. Let's say you have ducting on all three major axes. You just  
> open the ducting from the main reaction chamber whenever you want  
> to thrust. The thrust goes out any of the six directions (or	
> combination of).
>
> Thus you have equal thrust capability in all directions without the  
> need to install 'a second engine in the nose' and justifying *full*  
> turn/retrothrust capability.
>
> Of course, the best design for this is a big spherical ship.
>
> But there are ways to imagine drive systems that don't necessarily  
> mean you've only got thrust to the rear.
>
> -- 
> http://ante-aurorum-tenebrae.blogspot.com/
> http://www.stargrunt.ca
>
> "He that would make his own liberty secure must guard even his  
> enemy from oppression; for if he violates this duty he establishes  
> a precedent that will reach to himself." -- Thomas Paine
>
> "When men yield up the privilege of thinking, the last shadow of  
> liberty quits the horizon." -- Thomas Paine
>
>
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