text: Rather than developing an extensive weight 
  lifting 
  for all Naval 
  Aviators, mechanical assistance in lateral con- 
  If a power boost is 
  trol can be provided. 
  provided for the lateral control system, the 
  rolling performance of the airplane may be 
  extended to higher speeds since pilot effort 
  factor. The effect of a 
  will not be a limiting 
  power boost is denoted by the dashed line 
  extensions of figure 4.30. A full powered, 
  irreversible lateral control system is common 
  In the power oper- 
  for high speed airplanes. 
  ated system there is no immediate limit 
  to the 
  deflection of the control surfaces and none of 
  the aberrations in hinge moments due to com- 
  pressibility are fed back to the pilot. Control 
  forces are provided by 
  the stick centering 
  lateral bungee or spring. 
  A problem particular 
  
  program mandatory 
  
  directly with 
  the true airspeed. Thus, if the 
  roll helix angle is held constant, the rate of 
  roll at a particular true airspeed will not be 
  affected by altitude. The linear variation of 
  roll rate with airspeed points out the fact that 
  high roll 
  The low roll rates at low airspeeds are simply 
  a consequence of the low flight speed and this 
  condition may provide a critical lateral con- 
  trol 
  for satisfactory handling 
  qualities. 