Hi everyone,
I’m working on a project to build a beach tennis ball launcher and plan to use two 6374 170KV RC Brushless Motors (2800W, 24/36V) for propulsion. While I’m familiar with basic electronics, I’ve run into some doubts regarding the battery requirements for these motors.
- System Voltage: 36V. Let’s assume the motors will operate at approximately 50% power.
At 50% power, each motor would consume around 1400W. Using the formula ( I = P / V ):
- Current per motor: ( 1400W / 36V ≈ 38.89A ).
- Total current for two motors: ( 38.89A × 2 ≈ 77.78A ).
Without considering other possible components I’d like to add, this is a huge amount of current for the batteries I’ve seen so far. Usually, they don’t provide this level of discharge. How could I run this machine for about 1 hour? I’d likely need a high-capacity battery to avoid rapid depletion and overheating.
My Doubts:
-
Battery Size and Practicality:
It seems like these motors require a huge battery capacity for consistent use, especially at high power. Yet, these motors are commonly used in electric skateboards and scooters, which don’t seem to use gigantic batteries. How are they managing this? -
Battery Recommendation:
What type of battery should I use for this application? -
Scooters and Skateboards:
If these motors work well in personal electric vehicles, what’s the trick to balance power consumption and battery capacity? Do they limit the motors’ power or use higher-voltage systems?
I’d greatly appreciate any insights or advice, especially from those experienced with e-skateboards, scooters, or similar motor setups. Thanks in advance!