When it comes to RC cars, we all tend to put emphasis on the car rather than the radio.
This is how it should be; when your radio
is set up properly, it lets you focus on
what the car is doing, not the tool you’re
holding in your hand. Understanding the
basics of radio systems will help
you better know your gear and
exploit its maximum potential for
performance and control, and that
means more fun. Here’s what you need to
know to understand the “radio” part of
BY MICHAEL WORTEL PHOTOS JOEL NAVARRO
Everything you need to know about radios
;e number of adjustable features varies with each
model, but the essential options you’ll find on every
transmitter are servo reversing and channel trims.
Here’s what they do:
If your model goes left
when you steer right
or goes backward
instead of forward
when you pull
the trigger, it
To change the
direction of the
channel, just flip
switch—there’s one for
“Trimming” a servo or channel refers to the setting of its neutral position. For example, if
your car pulls to the right or left when the steering wheel is straight, the steering channel
must be “trimmed” so that the car goes straight. Depending on your radio, the trim may
be set by turning a trim knob or by clicking a trim lever.
;is Spektrum DX2E
transmitter uses a pair of
knobs for steering trim.
switches are on top.