e given. accelerating force the rehitious arc as shown on Figure 3. The tliriist per pound varies from TJW at the TIME REQUIRED FOR TAKE-OFF start, To being tlio static tlirust, to TJW at take-off, In some cases the time required for take-off is of T, being the thrust at takc-ofi speed V. The total… … Tah€~off coefficient ^ Kg S (8) Fir.iTRE 4,—Take-oil run in a calm s.= ^«. For take-off at speed Fs equation (8) reduces to V.=takc-ofT air spccd-fl./sn-c. T.-statlo thrust—pounils. >S'=^[|.(-l-|.log(l -X))] W-gross wciglit-pounds. (9) It =ccicfncicnt of tracUon. from which, by integration The term…
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