Вот кратко прикидки Наки из архива =)
A 2 stage rocket, dead masses:
1st stage: 25 kg
2nd stage 50 kg
Two identical motors, each delivering 180 kN impulse (R class), thrust
of 18 kN, burn time 10 seconds each.
Propellant mass each motor 135 kg.
Max altitude 105, 000 metres.
Sounds do-able
![;-) ;-)](http://s.wrk.ru/s/wink.gif)
Richard Nakka
А здесь о чём речь, господа?
ut other than
>that, technology used is fairly simple and sugar
>propellant is CHEAP. Russian M-100 two-stage sounding
>rocket used a propellant with Isp= 1500Ns/Kg. It was
>routinely flown to 90km. Comments please.