Race Wire is basically motor wire extension in the form of circuit board. At first glance, it’s only as useful as a piece of wire and many consider it as a gimmick to make money, while some say it’s a godsend for FPV racers. Let’s find out whether or not Race Wire is for you.
On each Race Wire, there are 3 trick copper traces in the long circuit board. It’s designed to be used between the motor and 4in1 ESC.
At first I was skeptical about Race Wire, but after using it a bit more I begin to understand why some drone racers endorse this product so much.
Further Reading: Check out other tools and spare part for building quadcopters.
Pro’s of Race Wire
- It can be used as extension in case your motor wires aren’t long enough
- Easier to change motors because you don’t need to get into the FC/ESC stack
- It prevents damage from prop strikes that could cut your motor wires
Con’s of Race Wire
- 3 times the amount of soldering required initially
- More solder joints = more failing points
- The length is fixed, not as flexible as normal wires
- Slightly heavier than 20awg wires (a gram or two for 4cm)
Is Race Wire for You?
When first setting it up, I really felt Race Wire was a stupid idea. To solder a motor to the 4in1 ESC, there should only be 3 solder joints. With a Race Wire, there are now 9 solder joints to do!
But when I was swapping out the motors later, it was so easy!
Especially with my build, the ESC solder pads are all hidden inside the frame. To access those pads I would have to take apart the frame and remove the flight controller. With Race Wire that isn’t a problem anymore because the solder joints are all located on the arms. It reminds me when I was using standalone ESC’s on the arms.
This is great for those who replace motors a lot, such as pro racers, and motor reviewers. For ordinary hobbyists, we don’t normally build enough quadcopters, or wreck enough motor to fully get the benefit of this product.
I guess there is a reason why it’s called “Race Wire”, because it’s created specially for drone racing.
Further Reading: How to choose ESC for Racing Drones
Motor LED – Race Wire with LED
See this post to learn about motor wire LED boards.