BURN IT UP!
Have fun going fast, but
remember that reaching
for peak speed means
you’ll be stretching the
limits of your gear. Watch
those motor, engine,
temperatures, and check
your radio range—going
faster means your car
will get farther away
from you more quickly.
Safety first! ✇
Some speed controls allow you to set “boost timing” to electronically advance the
motor’s timing as you drive. As the name implies, this artificially boosts rpm beyond
what the motor would otherwise provide. Nothing is free, however: Boost mode will
also cause the speed control and motor to run hotter and reduce runtime. But if you’re
going all out for speed, it can make a big di;erence. Check your manual to see if your
speed control has the feature. Motor timing can also be physically adjusted on the
motor itself, but the brushless motors typically used in RTRs have fixed timing.
An easy way to “increase” power is to simply waste less of it. If your car or truck is equipped with bushings
anywhere in the drivetrain, an upgrade to ball bearings may free up some power (depending on how “draggy”
those bushings are to start with). Another item to consider is your tires; if you’ve got a big ol’ set of monster-truck
chevron tires slapping the pavement, that’s gotta be costing you a few mph. If you’re spending significant time
running on pavement, think about getting tires designed for road work and save your off-road tires for the dirt
they belong in.
By altering the position of a
brushless motor’s sensors
relative to the stator, “timing”
can be increased, but e;ciency
If your car has bushings in the transmission or wheels,
upgrading to ball bearings may free up a few mph.
A slick- or street-tread tire (like
this Pro-Line Road Rage) will
roll faster than an aggressive
knobby- or lugged-tread tire.