Wat about the Horten 229? must have been really offputting to be sitting between two jumo engines where they were so close and unprotected you could touch them from the pilots seat.
Considering that the only Gotha built was a V1 and V2 prototype, and V3 was not finished, I would not asume that they would of left you with the engines exposed next too your seat. It would be easy to rivit some aluminum sheet to the pipe framework for production models.