RE: [amsat-bb] 400N P3D Rocket

[Tony Langdon <tlangdon@xxxxxxxxxxxxxxxxxx>]

> At the risk of embarrasing myself, here's my calculated:
> 
> 400 N = 400 kg(m/sec*sec)
> 
> (400 kg*m/(sec*sec)) / (115 kg) = accel rate of (400/115) m/(sec*sec)
> 
> So, at that rate, how long does it take to reach 100 km/hour 
> = (1000/36) m/sec?
> 
> I threw the numbers around until the dimensions come out right:
> 
> ( (1000/36) m/sec) / ( (400/115)*(m/sec*sec) ) = 7.99 seconds.
> 
> Hold on tight.  That's 0-65 in under 8 secs.

That's what I got. :-)  Nice little "sports bicycle" there. ;-)
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