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We’re defo talking about the same things with the correct terms but it’s good to make sure we are clear. My first radio with expo was a 40MHz Futaba 3PDF in the late ’90s. The radio I currently use is the Sanwa MT-R and I do differentiate between EPA, expo, and throttle speed. (Sadly...

Makes sense. You do pay for the easier modulation at the low end with a requirement for more precise modulation at the top end. I wonder if moving the expo point would have helped, or just reducing overall expo a bit, but it does depend on the driver and car for sure. So a blanket statement...

I’m curious what problems this could cause? I have used expo to tone down my throttle and have heard others do the same with good success. In a way, negative expo makes the throttle feel more linear because the motors have so much torque at the lower rpms.

You don’t need to buy anything. Just dial down the throttle EPA on the tx if the top speed is too much for you, or throttle speed if it accelerates too aggressively. You can also reduce the punch in the ESC or simply run it in blinky mode if you have some sort of modified race presets on it at...