Putting normal fuel into jet fuel tanks?

[TYRT]

Think, You can put normal rocket fuel into a MK3 jet fuel tank. I think it's a good idea. What is your opinions about that?

This will be very good for rockets like that:

Edited January 28, 2014 by TYRT
Added an image.

[Neotician]

There is already "normal fuel" in the jet fuel tanks, they just don't have any oxidizer.

IMO, they should add oxidizer-only tanks, or perhaps make mono-propellant that doubles as oxidizer. (I know you can just empty a normal tank of liquid fuel, but the tank still has mass )

[TYRT]

There is already "normal fuel" in the jet fuel tanks, they just don't have any oxidizer.

IMO, they should add oxidizer-only tanks, or perhaps make mono-propellant that doubles as oxidizer. (I know you can just empty a normal tank of liquid fuel, but the tank still has mass )

Not another part, only jet fuel tanks for mobility. But I love monoprop. as oxidizer idea:)