Originally Posted by
greg47
David unfortunately lords all who agree with and attempts to denigrate any contrary opinion. If as you say she had 6 hrs fuel after 20 hrs to Howland would Noonan ever give any thought to returning Lae. Kelly Johnson's figures show a different story to Mantaro. I suspect ,but its speculation only, this is a rehash of Locheeds proposal to Putman and Erheart
I'm puzzled- the mantero white paper was specific to kelley J papers with a fdew corrections- if you read the report
and the numbers I pasted before
ZERO headwinds 1200 gal gas
Range 4100 mi 4034 mi
Endurance 26:30 hours 28:03 hours
Kelley was 4100 miles and mantero simulation was 4034 miles via more discrete computer simulation
Kelley was 26.3 hours and mantero was 28.03
mantero gives avg best speed of 143-144
kelley gives avg best speed of 155-156
All on 1200 gallons zero wind- straight line
so mantero gives avg 42.81 gph and kelley gives 45.6 gph but at a avg 10 mph faster speed.
Now if you simply add up the straigt line ( roundtrip from lae to howland to crash site, it becomes obvious that under any condition- best range zero wind - 2629 plus 2209 = 4838 so given best conditions there is an approx 800 miles deficit- splitinng the diff gives about 400 miles short of howland. Now that can be changed a bit re headwind and tailwing numbers, and a less range to start- but that becomes an probibility excercise to determine how far to howland when turned around..