Now I don't know how significant the '(unable to validate IP)' is but on other sites that I tried it gave the correct IP address, whereas ukrocketry was not identified on any whois server I tried. (To be fair they were all quoting Nominet)
Weird! The thing was this was both BT Internet AND Demon. I had heard that BT Internet often had problems leaving sites out of their DNS servers (and denying it), but I lost the forum for 2 weeks on Demon as well. Of course anyone having trouble wouldn't be reading this...
By the way Richard I also emailed you several days ago asking you the same question; I take it you didn't get that. In the email I hinted at something sinister going on. I'm still wondering!
I stand to be corrected, but as far as I am aware of Newton’s law is based on the object being stationary. Hence if the rocket is travelling at 10 miles an hour and fires the shell, the rocket speed will be reduced by the equal amount of speed that the shell is fired at.
You also have to factor in the relative masses of the rocket and the payload at the time of detonation of the separation charge. Now if the rocket fuel is all used up the rocket could be a lot lighter than the payload and acquire most of the separation speed (in a downward direction).
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