Have you had some unusual radio glitches as you maneuvered through various stunts? Are you suspicious that your servos are very sluggish when high loads are placed on them? Has your model crashed because it was unable to recover from a high air load maneuver?

Radio and servo problems can be caused by the limited conducting ability of "standard" #24 and #26 gauge hook up wire commonly used in our radio systems. Typical high power servos draw an amp or more at the start of their movement. Air loads from large surfaces, especially elevators, can easily double this amperage demand. Simultaneous servo operation places an additional load on the wires of the circuit. Distant servos automatically suffer current loss due to restriction through conducting wires. Current demand under air load can be as high as 8 amps.

Our tests show the voltage available through various gauges of quality, stranded hook up wire as shown below when using a standard 4.8 volt nicad pack and a 2 amp load in a servo circuit.

	WIRE                   LENGTH 
	GAUGE     1 FOOT       3 FEET       6 FEET 

	 #26     4.64 volts   4.37 volts   3.84 volts 

	 #24     4.70 volts   4.5.0 volts  4.20 volts 

	 #22     4.73 volts   4.61 volts   4.42 volts 

	 #20     4.76 volts   4.66 volts   4.54 volts 

	 #18     4.77 volts   4.73 volts   4.65 volts 

The conclusion then is obvious. If you expect to get sufficient current through your system so that your Servos will function as designed and voltage spikes won't glitch your receiver, you must use at least #20 gauge wire throughout the system. This means that you need heavy wire starting at the wires going to distant servos. Don't think that a high amp receiver pack will .solve the problem. Only sufficiently large wire is able to conduct the current to distant locations and/or supply high demand.

If you feel that you haven't suffered from any of the problems we described, don't be misled, When your model is in that critical, low level attitude that requires full servo power, that is the time your battery and wiring circuit won't be able to deliver it.