The Greatest Planes That Never Were
The rather complicated design of the Boeing 2707-200 SST proposal in the mid-1960s
"Due to the kinetic heating experienced at Mach 2.7, a titanium alloy would be required, such high temperatures (as hot as 260 C / 500 F) being too great for aluminium alloys"
The rather complicated design of the Boeing 2707-200 SST proposal in the mid-1960s
"Due to the kinetic heating experienced at Mach 2.7, a titanium alloy would be required, such high temperatures (as hot as 260 C / 500 F) being too great for aluminium alloys"