Merač uhlov výchyliek

This Is An SDI Gauge (Surface Deflection Indicator) from Robart.       
                                                                              
FEATURES: An important tool used to measure the amount of up and down or left 
            and right on your model aircraft elevator, ailerons, flaps, and   
            rudder.                                                           
          Precise measurement of surface deflection in INCHES.                
          Measurement is in 1/16th increments, with 1/4,1/2,3/4 & 1" marked.  
          Fits large and small scale model aircraft.                          
_         No more errors with rulers and scales.                              
          Quick and easy surface adjustments.                                 
          Allows for accurate differential adjustments.                       
          Instructions are provided.                                          
                                                                              
INCLUDES: One SDI Gauge                                                       
                                                                              
REQUIRES: Constructed and Decorated Aircraft                                  
          Radio                                                               
          Tape                                                                
          Straight Pin