Table for choosing the sprocket and quadrant size


Table for choosing the the sprocket size in relation to the quadrant radius. 

Sprocket size versus turns HO / HO for 72 rudder travel
Quadrant radius (mm) 5/8"P 11T 5/8"P 13T 5/8"P 15T 5/8"P 17T 5/8"P 19T Cable travel (mm)
150 1.06 0.90 0.79 - - 189
200 1.43 1.21 1.05 0.93 0.83 251
250 1.78 1.51 1.31 1.16 1.03 314
300 2.13 1.81 1.57 1.39 1.24 377
350 2.49 2.11 1.83 1.62 1.45 440
400 2.85 2.41 2.09 1.85 1.66 503
450 3.20 2.71 2.35 2.08 1.86 566
 
Sprocket size versus turns HO / HO for 80 rudder travel
Quadrant radius (mm) 5/8"P 11T 5/8"P 13T 5/8"P 15T 5/8"P 17T 5/8"P 19T Cable travel (mm)
150 1.18 1.00 0.88 - - 210
200 1.59 1.34 1.17 1.03 0.92 279
250 1.98 1.68 1.46 1.29 1.14 349
300 2.37 2.01 1.74 1.54 1.38 419
350 2.77 2.34 2.03 1.80 1.61 489
400 3.16 2.67 2.32 2.06 1.84 559
450 3.56 3.01 2.61 2.31 2.07 629