Piodiriont Aviation No\ts - Page 5 Friday, Octobor 12^ 1945a thoreforo, that in order to load tho piano PROBLEM; vfith a porson on tho front scat, tho roar Find Forv/ard CG Extreme of a Pipor scat will also havo to bo occupiod. Tho J3 L-65 which has an empty woight of second and third lino of your calculation 667 lbs* and an orapty CG 16«58, vrill be as follows; Portinont aircraft spocifications are: Pilot 170 lbs. 36 6120»00 CG Rango 10.6 to 22.7 Passenger 170 " 9 1530,00 Standard -weight 1100 lbs, Tho fuel tank is located on on arm of -18, Noo of seats 2 (one / 9, one / 56) Tikhon tho naximun amount of fuel is carriod Fuel capacity 12 gals, (-18) (12 gals), tho moiTijont moving tho CG for- Oil 5 Qts, (-39) vrard T/ill bo tho greatest, Tho fourth line Ans, 15»66 of your calculation will be; Fuel (max) 12 gals. 72 -18 -1296.00 Oil must bo included, because regardless v/hothor the moment of tho oil moves tho CG forward or aft, the engino must have oil. The fifth and last lino of your calcula tion will bo: Oil (1 gal.) 7,5 -29 -217.5 Grouping tho lines together and adding tho column of v/oights and tho column of moments wo have the following: Wt, ilrm Moment (lbs.) (in,) (in,lbs.) AEvY 650.0 16 10400,0 Pilot 170,0 36 6120.0 Passenger 170o0 9 1530,0 Fuel (max) 12 gals 72aO -18 - 1296,0 Oil 1 gal, 7,5 -29 - 217,5 1069o5 16556’,5 To find tho CG Forward Extromo wo divide the moment by the woight: 16536,5 - 1069.5 - 15,46 Tho CG For^vard Extromo is 15,46, which is v/ithin tho limits a c cor ding to tho spocifications.

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