[extropy-chat] unidirectional thrust

[Dirk Bruere]

Mike Lorrey wrote:

>--- Dirk Bruere <dirk at neopax.com> wrote:
>  
>
>>Mike Lorrey wrote:
>>
>>    
>>
>>>--- Keith Henson <hkhenson at rogers.com> wrote:
>>> 
>>>
>>>      
>>>
>>>>Mind you, I *wish* such a thing existed and would be delighted if
>>>>        
>>>>
>>it 
>>    
>>
>>>>did.  But energy to thrust doesn't work--another way to put it is
>>>>"wrong units."
>>>>   
>>>>
>>>>        
>>>>
>>>The problem is he is doing newtonian math on a problem that is
>>>      
>>>
>>properly
>>    
>>
>>>solved using Lorentz equations, so of COURSE he is going to get an
>>>absurd answer. This is one more case of a person using, as I said
>>>before, 100% newtonian thinking in a problem which such thought is
>>>entirely inapplicable to.
>>> 
>>>
>>>      
>>>
>>At the speeds we did the analysis eg a few km/s, Lorenz correction is
>>negligible.
>>    
>>
>
>You are assuming. And, as I showed, the assumptions by which you looked
>at a few km/s were faulty.
>  
>
You are simply wrong on that one, and others agree with me.

-- 
Dirk

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