Re: [amsat-bb] 400N P3D Rocket

["Larry P. Thomas wa0gwa" <lpthomas@xxxxxxxxx>]

400N is about 90 pounds of thrust I think?

At 02:16 PM 09/27/2000 -0500, you wrote:
>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.
>
>David, ky0dr
>
>
>>whlie looking at the P3D pictures, i noticed the one of dick daniels 
>>holding the 400 Newton rocket in his hands. it made we wonder just how 
>>much power is 400N. to satisfy my curiosity i'd thought i'd ask so here 
>>goes: between me and my bicycle we weigh 115 Kg. if i were to strap on 
>>the P3D 400N rocket to my bicycle, how long would it take me to 
>>accelerate from a zero to 100 kilometers per hour (assume no friction and 
>>a level surface)? thanks in advance.
>>
>>73 de rick
>>
>>
>>
>>Donde esta Ricky? http://www.findu.com/cgi-bin/find.cgi?hr2kos-14
>>
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