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From: bertietaylor@myyahoo.com (bertietaylor)
Newsgroups: sci.physics
Subject: Re: Message to Bertie.
Date: Sat, 9 Nov 2024 01:06:42 +0000
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On Sat, 9 Nov 2024 0:41:01 +0000, bertietaylor 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, Penisnino, most extraordinary ignoramus.
>>
>> 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

Sorry we made a mistake above, it should be
0.5 * 4 * 1.5^2 = 4.5 J and not 4500J.

> which is greater than 3346J or 3150J or 1756J.

We were wrong, but in Arindam's railgun design we do not talk of energy
except for efficiency we talk momentum.

So momentum for a rifle bullet a 7g exiting at 300m/s = .007*300 = 2.1
Kg-m/s or 2.1 Arindams.

Now momentum for Arindam's 4000g bullet exiting at 1.5m/s = 4*1.5 =
6Kg-m/s or 6 Arindams.

Which is thrice the value for a rifle bullet.

So while the rifle bullet has a lot more energy, it has a lot less
momentum and momentum imbalance is the thing for reactionless motors. It
is the violation of the law of conservation of momentum that naturally
happens with Arindam's reactionless motor.  It just takes off, flying
carpet physics is in, and the old entropy-relativity-quantum-particle
physics is OUT.

Again, sorry for the simple mistake, we doggies were being fed (in the
spiritual sense) by the missus, so were not too careful.

Learn, Penisnino, and all lurking penisnanos and penisnonos, learn, this
is how science progresses. By admitting and rectifying mistakes. Now go
and burn the bad physics texts and introduce Arindam's physics.

Woof-woof

Bertietaylor