1、REPORT No. 578FLIGHT MEASUREMENTS OF THE DYNAMIC LONGITUDINAL STABILITY OFSEVERAL AIRPLANES AND A CORRELATION OF THE MEASUREMENTS WITHPILOTS OBSERVATIONS OF HANDLING CE4RACTERISTICSBy HmrmY A. SoudSUMMARYThe dynamic .?onwdhd dabildy characttmdicsofeight airplmws m deed by the period and damping ofth
2、e hmgthdi?ud 08Wion8 were meamred in $igh.t to4.1729aL18la o1 613.32:2L 632.1.032364,610w13.4la o4,%4m13.51!2482s3. -hs.- -.-.-.-10N-22o.-.-.,7.0. . . -.-c?6tmspan fk)-Elovatcr mea (aq. fL)-Elevator hfnge to kadfns edge Of10er*S =Rdative to tbmst axis (ftJ._-.-._. _-.-_-_. . 30121719.u17.021712iw13.
3、0223.823.1A:-g :.12SUuMNJYOF DYNAMICLF STABLE ANDCONDITIONS AIRPLANESTESTEDtATING OF LONGITUDINAL STABILITY ANDHANDLING QUALITIES OF AIRPLANES TESTEDrmfff-nasMessmad obar-noterlstfmFaetoiaaffaotfngstfffnwsEl&vatorAfIplane -th#ClcsaiEfeveta frw p&dmmatbrettledcmd AfrplaneDIWIIPEffra.force78_-._.s.s -
4、 - s.s- - . s.s- u Mow Ms- U:iy:w 67ub310w91 s.”S:pb: - u Mew 61s_.-. Um&ohw 70P.Fafrchffd Z3- SAfMlT-L_ :NY-2BmInK F4B-2- Ss.-S-u ky 49u Low 69Um%hp mu: *E 83s“ -.-FafmMld 22-Martin T4M-1-Comudated Nl-2_$k:W#-Donw O+Ef_Frdrcbfld FIX&WL_. . -Martfn XBM-l -Vervffle AT- SDouglM O-2H_ sFafrcbild FC%TV2 sMartin XRM-l_ s s-A fs u.to desfgnata afrplanm that are stfffest, rayba tbe greatest elevatorI-emand moromanL do recutpkcbfng in rough ek, an bare the .shotit fmlodsndthe grmtwt dampI.Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
