The next step is to determine exactly where to place the instrument panel and front seatback bulkheads within the fuselage.
A 101.75″ stick was placed down the centre of the aircraft to mark off 19.25″, 40″, and 60″ from the front datum.
Measuring 19.25″ for the instrument panel location…
Locating 40″ and 60″ where the front seatback gets installed …