I Personally think the "Perfect" survival blade will be one between 4.5 and 7.5 inches, depending on the blade profile and thickness.
I'm of the mind that 5 or 5.5" to 7" is about perfect.
Lets call it 5.5-7.0"
JYD #123 The great one formerly known as Architect.
I am now a fictional British television police officer (currently a Detective Sgt) at Thames Valley Station. My governor is Detective Inspector Fred Thursday and it’s 1969.