The attached is from a 67 Skymaster POH. Also, I'm not a skymaster pilot (yet!), so take this as you will...
The reference moment for FUEL appears to be based on a more than one WING STATION or FUS. STA. or reference datum point...whatever you want to call it. So TOTAL fuel (from EACH TANK set) is given a MOMENT. In the SAMPLE (attached), it appears the SAMPLE problem assumes FULL Standard 92 gal tanks (92 Gal X 6# per gal = 552 lbs) and EMPTY AUX TANKS, so it's given a single moment of 82.8. There's no entry for AUX Fuel, but there IS space for it on the chart, and a separate entry on the graph, so AUX fuel would have it's own moment (Full AUX Tanks would be about 33)
Confirmation on my theory (for me): reference the OIL lines on the SAMPLE--two values, two different entries for the two different locations of the oil...
That's my $.02. If I'm wrong, Mods delete this post and school me right.
Fly Safe.
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