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Posted for ngarvin@attbi.com:
Why do Lancairs have to feed the engine from the header tank? Glasairs (and almost every other low-wing airplane ever built) feed the engine directly from the main wing tank via the engine driven mechanical pump with an electric boost pump in line between the selector valve and engine driven pump.
Putting in transfer pumps with warning lights, extra wiring, dual pumps and all the complexity and additional failure modes associated with it seems like much to do for nothing. Or am I missing something here? (flack jacket on and secure)
-Neal Garvin
Glasair SIIS-RG 730 hrs TT.
Must be as many ways to set up the fuel transfer system as there are
builders. Except for the (hopefully) few that do not utilize a header and
feed from both wings simultaneously (see Ian Crowe's comments), all the
methods described sound quite safe and workable.
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