/sci/ - Science & Math

>big dumb booster
>pressure-fed, no turbopump needed
>no cryogenics, no LOX, just hydrogen peroxide + kerosene at the environment temperature
>no active nozzle cooling, only ablative cooling
>no gimbaling on first two stages, liquid injection for steering
>970t at liftoff for 17t on LEO
>a literal WAAAGH! rocket
Did Andrew Beal's rockets have real chance to be cheap? How come nobody tried it again?

I think pressure-fed engines could also be pulse modulated and throttled to very low thrust without losing the efficiency, unlike engines with turbopumps. Not sure about an engine of that scale though.