3 ms·
A gas engine reaches about 1200 psi, a diesel reaches about 2500 psi. Raptor’s combustion chamber sits at 4500 psi. Which is completely nuts, even for a rocket
by QuadmasterXLII 4y ago
A gas engine reaches about 1200 psi, a diesel reaches about 2500 psi. Raptor’s combustion chamber sits at 4500 psi.
Which is completely nuts, even for a rocket engine. The F1 powering the saturn V only ran at 1000 psi.
On the other hand, ANFO, a common low pressure explosive, has a detonation pressure of ~100,000 psi
- sandworm101 4y agoIts and apples and oranges comparison of combustion chambers. For purposes of combustion, the relavant pressure is the exaust of the rocket engine where combusion is complete. The burning gas within an ic engine is, at the point of combusion, at a very higher pressure. The ic equivalent of a rocket combusion chamber would be the blast wave starting at the spark, which then moves through the fuel. This difference become more important when discussing the new tech of pulse detonation rocket engines.