Re: Message to Bertie.

bertietaylor <bertietaylor@myyahoo.com> wrote:

On Fri, 8 Nov 2024 21:29:06 +0000, Jim Pennino wrote:
 

bertietaylor <bertietaylor@myyahoo.com> wrote:

On Fri, 8 Nov 2024 16:02:42 +0000, Jim Pennino wrote:
>

bertietaylor <bertietaylor@myyahoo.com> wrote:

>
<snip old crap>
>

Fool, with the low voltage given and its huge mass the momentum of the
armature beats that of most high power rifle bullets.

>
Utter nonsense, crackpot.
>
Railguns don't have an armature, they fire projectiles through the air,
crackpot.

 
The projectile is the armature, of the linear motor that in this case is
the railgun

Railguns don't have an armature, they fire projectiles through the air,
crackpot.

>
The muzzle energy of the very common 7.62x51mm NATO cartridge is
typically around 3,346 J.

 
Weight of bullet is say 7g
Muzzle velocity is 300m/s
So ke is 0.5mv^2=0.5*.007*300^2=.0035*90000=3150J so okay

>
The muzzle energy of the very common 5.56x45mm NATO cartridge is
typically around 1756 J.
>
What is the muzzle energy of your low speed linear motor, crackpot?5

0.5*4000*1.5^2= 2000*2.25=4500J, Penisnino

It is blazingly obvious that the velocity of your pipe is MUCH less than
1.5 meters/second nor is it launched into the air, crackpot.