The new Turnigy Heli-Tach 3600 is here! Finally, there is an optical heli-tach available that wont break the bank. Despite the low price, this is a quality unit that will provide you with accurate headspeed readings of your model helicopter. With its wide RPM range (1000~3600RPM), it can be used for almost any size heli. The Turnigy Heli-Tach 3600 is very easy to use. Simply adjust the RPM by pressing up or down on the side rocker switch. The LCD will display the RPM value that you currently have set. Once the dots between numbers disappear, the tach is fixed on that RPM. You will then look through the viewing window at the heli blades as it is flying, and adjust the RPM until the heli blades appear stationary. Once the blades appear stationary, the RPM value on LCD will indicate the true RPM of the heli blades. Price: $29.95 Read more via the source llink. Source: http://www.hobbyking.com/hobbyking/store/__19462__Turnigy_Heli-Tach_3600_Optical_Tachometer_1000~3600RPM.html
