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10 votes

What kind of security while using solid propellent?

I would first like to state that I do not condone this experiment. Generally, if you don't already know the proper safety precautions, you SHOULD NOT perform the test. There is a large amount of ...
Gigaboggie's user avatar
10 votes
Accepted

What properties define a good solid propellant for a hybrid engine? (e.g. why not use wood?)

Wood burns just fine with LOX or gaseous oxygen; it would "work" in the sense that it would produce hot exhaust gas which could be accelerated through a convergent-divergent nozzle to produce thrust. ...
Russell Borogove's user avatar
9 votes

Why sugar is not commonly used as fuel in hybrid rocket engine?

A supplement to TrySCE2AUX: Is it even possible to use sugar in a hybrid rocket? According to Clarks' Ignition, the engineering of workable hybrid rocket engines is very complicated and tricky to get ...
ikrase's user avatar
  • 8,874
9 votes

Why sugar is not commonly used as fuel in hybrid rocket engine?

Short answer: Rubber gives you better performance Longer answer: We first have to find out, why some propellants are used in different situations. There are different parameters that matter. Just from ...
TrySCE2AUX's user avatar
  • 3,255
4 votes

What properties define a good solid propellant for a hybrid engine? (e.g. why not use wood?)

I'd point out that moisture, and in low enough quantities even minerals, may not add combustion energy but do serve as reaction mass. Unfortunately I suppose minerals would tend to produce abrasive ...
Shevek23's user avatar
  • 267
3 votes

What speed and altitude can I reach with a primitive sugar rocket?

Try a basic calculation using the Rocket Equation and an Isp of 110 seconds: $$ \Delta v = I_\text{sp} \cdot g_0 \ln \frac {m_0} {m_f} $$ $\Delta v\ $ is the maximum change of velocity of the ...
Hobbes's user avatar
  • 128k
1 vote

Size of sugar rocket to reach space (suborbital)

The solution turns out to be quite simple. We can use the Tsiolkovsky rocket equation but we need to find out the delta-v needed to reach Karman line (altitude of 100 km) first. Using this answer we ...
Kozuch's user avatar
  • 1,463

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