Hmm..whatever layout poppet valves are not quite up to the performance of nyctinastic valves if you ask me. And if anyone asks - no, it has nothing to do the with what time of day it is....
& P.Z. - can you post a pic of the Klaatu barada nictu valves you mention?
A cogent few wet flow coefficient data point comparisons too, perhaps?
"Well, we knocked the bastard off!"
Ed Hilary on being 1st to top Mt Everest,
(& 1st to do a surface traverse across Antarctica,
in good Kiwi style - riding a Massey Ferguson farm
tractor - with a few extemporised mod's to hack the task).
