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Terrence,
We have an O-320 (carburetor). The transfer pumps move fuel from the wings to the header. The engine runs only on header fuel. Our total fuel is 52 gallons. 52 gallons was plenty to fly it to Europe. We landed with 3 hours reserve on our longest leg (a 5 hour leg into headwinds from Kangerlussuaq, Greenland to Reykjavik, Iceland). Uhhhh, the answer is Depends.
Bill Harrelson
N5ZQ 320 1,175 hrs
N6ZQ IV in progress
Bill,
Do you run an IO-320? Do I understand that you pump from L and/or R directly
to the boost pump, from the Main -- or from the Header (used as a reserve)?
(Boy! I'd retrain my bladder for 70 gallons!)
Terrence
LNC2335/320 N211
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