Next year, China says it will be testing a concept very similar to what you've described, with its Long March 10A rocket:
https://www.youtube.com/watch?v=27TvGDpPLNw
It will be interesting to see how these two approaches fare vs. one another.
https://www.youtube.com/watch?v=27TvGDpPLNw
It will be interesting to see how these two approaches fare vs. one another.
Then again, I just watched the launch and that was the first thing that popped into my mind, and the first "design" that popped into my mind as I was replying to the thread, so not much thought went into it.