Input length is 17 inches
For 2nd harmonic, RPM range is from 6911 to 8386 with a pulse strength of 10 percent
For 3rd harmonic, RPM range is from 5192 to 5934 with a pulse strength of 7 percent
For 4th harmonic, RPM range is from 4048 to 4527 with a pulse strength of 4 percent