Free Tech Tips – propeller sizing
Poorly shaped propeller can allow the motor to spin very fast simply because it is just spinning but not actually…
Free Tech Tips – propeller shape, material and direction
A good propeller is one that has properly shaped blades. A small but properly shaped propeller can already be very…
Free Tech Tips – motor turns
This is a term that describes the number of times the wires are wrapped around the armature web of the…
Free Tech Tips – using separate power source for the receiver
The receiver needs approximately 6V of power to operate. In a typical configuration, the ESC supplies this power to the…
Free Tech Tips – battery voltage and its relationship with performance and reliability
We use 7.2V batteries here as examples for discussion. The 3700mah GP pack is so strong that when it is…
Free Tech Tips – tire sizing
According to Sean Holman in his article “Choosing The Right Ratio – Uncovering The Secret Calculation”, “With a bigger tire,…
Free Tech Tips – touring to truggy conversion
Even though it is technically possible to convert a touring car to a truggy by changing tires, the configuration would…
Free Tech Tips – mixing and matching ESC, receiver and servo
To connect receiver and ESC/servo produced by different manufacturers, you may need to do some work on the connector. Say,…
Review – XB Pro Buggy
The XB Pro packages have high standard in workmanship. All spinning parts are properly lubed, and all screws are properly…
Free Tech Tips – soldering battery cells
Soldering directly to the battery cells is never a good idea. You should only solder to the welded tabs. Soldering…