ChatGPT
FULL PROPORTIONAL CONTROL
"Full Propo" in RC (remote control) car terms usually stands for "Full Proportional" control. This means that both the throttle (speed) and steering are proportionally controlled, allowing for smooth, precise driving — as opposed to just "on/off" controls.
🏎️ What is a Full Proportional RC Car?
A Full Proportional RC Car allows you to:
- Control Speed Gradually: Not just full speed or stop — you can go slowly, moderately, or fast.
- Steer Smoothly: You can turn the wheels just a little or a lot, giving more realistic control.
- Fine-Tune Handling: Great for racing, drifting, crawling, and more detailed driving.
🔧 Components That Make a Car Full Propo:
-
Proportional Transmitter (Radio Controller)
- Usually 2.4GHz
- Trigger for throttle/brake, wheel for steering
-
Proportional Receiver
- Matches the transmitter and passes signals to the ESC and servo
-
ESC (Electronic Speed Controller)
- Adjusts motor speed based on throttle input
- Must be proportional, not just on/off
-
Servo Motor
- Controls steering with proportional movement
- Quality servo = smoother, faster response
✅ How to Know It's Full Propo
Check for:
- Variable throttle response when pulling the trigger slightly vs fully
- Gradual steering angles depending on how far you turn the wheel
- Technical specs saying "Proportional Steering & Throttle"
🛒 Example: Entry-Level Full Propo RC Cars
| Brand | Model | Scale | Price Range | Type |
|---|---|---|---|---|
| WLtoys | 124019, 144010 | 1/12 - 1/14 | $90–$130 | Off-road/Racing |
| HBX | 16889A Pro | 1/16 | $70–$110 | All-Terrain |
| Laegendary | Brushed/Brushless series | 1/10 | $100–$150 | Monster Truck |
| ARRMA | Granite, Typhon (MEGA) | 1/10 | $200+ | Hobby Grade |
| Traxxas | Rustler, Slash | 1/10 | $250+ | Hobby Grade |
⚠️ Not Full Proportional?
Some toy-grade RC cars (often below $50) have:
- On/off throttle
- Only left/right steering (no range)
- Usually 27 MHz or infrared controls
These are not full propo, and may say "proportional" but only mean one channel (usually throttle).
Comments