Re: GEV capabilities

On 16 Nov 98, at 17:50, Tony Christney wrote:

> Let's see...
> 
> Let's say that an HKP/5 fires a non-rocket assisted 4kg projectile 
> at 3000m/s (Mach 9.1, I believe that that is quite a bit faster than 
> current tech...).
> 
> If the GEV vehicle firing is 60 tonnes, then the velocity of the 
> tank after firing (assuming it was initially stationary) would 
> only be 0.2m/s=0.7km/h. Now, most tanks will have recoil damping 
> through the use of hydraulics, so this could be reduced even more.
> 

I think that you will find that due to conservation of momentum that 
recoil damping does not alter the overall change in velocity of the 
tank, it serves to make the force act more weakly for a longer 
period, rather than massively all at once, and tearing the gun off the 
mount.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Richard Slattery	     richard@mgkc.demon.co.uk
This is unparalyzed in the state's history. 
     Gib Lewis, Texas Speaker of the House
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