Report of the Second Piloted Aircraft Flight Control System - Acgsc.org

will result in a damping effect on the power control 678b.
Obviously, where the rtabillty of the 6yrtQl ir of importame, oaly
values of the capenution factor Cf equal to or gnator than 1
are of intereat.
To illuotrate the .application of the Colap~lsation Faator to oba
linkage ratio for a stable rystem having Cf equal b 1,
arauas tho follouing valwr:
Tbontically u tho ratio of b to a bocorur largor, tb syrtr
damping becomer gmakr, md u tho ratio get8 W e r it kdr
to dertabilise the syrtem.
Tho unc0mpamat.d sgrtom thmomtically ir armmod to bd inunrsible.
Reverribillty here ir referred to ar dirp&comnt of the mtpt
d e r d bear8 no relatiomhip to tho proportional pilot feel of
control marface lod conaaonly refomad to in boort ryrtans.
Act- it is rrverrible a8 tho valve deadspot .ad leakage -0%
be reducod to sero, backlarh emmot be ontirely olblnakd, .ad
thom will alwsgrr be a finik e&rticiQ In the sgrtm linkage.
The companeated syrta ir tboretically rwaruible. The degree
of revarribility d e r rtatic cditionr will be equal to Cf
timer tho rmrritdlity of th. roaction sy&sm. 'For imtance,
C equal to 1 the memibility of tho syrb king
dlrcurrd I r approdnrtely .9 degne for. muhum load, Under
n o d conditions with tho surface at or now rtrermlill. porition,
the rurface lord8 will actually tm a null porcent of the .urilmma
load ad the rsverribility willtm proportionally mallor.