How to Fix My RC Plane Nose Diving on Launch

Question: Why does my RC plane nose dive on launch?

Answer: A nose dive on launch usually means the plane's centre of gravity (CG) is too far forward or the elevator trim is set incorrectly. First, check the CG by balancing the plane at the manufacturer’s recommended spot—often around 25-33% of the wing chord from the leading edge. If the nose drops, try moving the battery or adding small weights towards the tail to shift the CG backwards. Second, ensure the elevator trim is neutral before launch; if the elevator is trimmed nose down, the plane will dive immediately. Also, verify your control surface throws aren’t excessive, as too much down elevator can cause a steep dive. Finally, launch with a moderate, level toss rather than throwing the plane upwards or too hard. These steps should help your plane maintain a stable climb at launch.