I know, this is not the launch clamp but I had no time to build one :P
You need everything you want from Soyuz: Launch Abort, Corolyov Cross, and...capability to send astronaut to orbit!
Soyuz with real engines for Real Scaled System. Don't do silly things, you can't waste a drop of fuel to go orbit.
- Total Delta V: 8.3km/s
- Total Thrust: 6.9MN
- Engines: 37
- Wet Mass: 9.15E+5kg
- Dry Mass: 66,105kg