Peter Stickney wrote:

I'm back.
I've been examining cutaways & measuring & doing sums like a numerate
Dervish, and, while I can't give a definitive answer, I can make the
following observations:

snip Spit comments

BTW, I know we've been sidetracking you with work on the Spit, but were you able
to run any numbers for the Lanc B.2?

Guy