Rc logger digital pitch gauge 0 1 sensitivity for setting rotor blades rc logger 40001rc a pitch gauge with a digital readout that makes it easier for the pilots of flybarless rc helicopters to check and adjust the work angle of a rotor blade the 0 1 resolution and repeatability ensure that rotors can be simply adjusted to ensure a high accuracy flight setup the gauge is magnetically mounted on to the supplied mounting plate and is suitable for all common rotor blades up to 700mm rc logge