A huge engine with multiple combustion chambers, or lots and lots and lots of tiny engines for the Kertian 3 XXXL?
If I did the huge engine it would be a hybrid of a aero spike, a normal engine, and I believe it called a rotary combustion chamber.
I mean huge by like 800% size
If I did the huge engine it would be a hybrid of a aero spike, a normal engine, and I believe it called a rotary combustion chamber.