Trade-offs

Exactly, this plane has a huge fuselage. There's so much room we could pack Chuck, his luggage, the X-1 and still have room left over! The trip would take forever though, look at how slow the Guppy is compared to the others.

Model	Volume	Speed	Range
X-1	2,944.5 ft.3	1,000 mph.	300 to 500 miles
Concorde	51,859.9 ft.3	1,300 mph. (depending on load)	4,000 miles
Aerospace Guppy	69,325.3 ft.3	300 mph. (depending on load)	3,000 miles