Sunday, July 5, 2009

TREX crashes causing LIPO fire


On July 4th I attended a rib cookout at Kips. I was entertaining the guests with my TREX and all was going fine until Glenn noticed the blades were out of track. Suddenly the TREX was hurled to the ground. I believe The crash was the result of a broken blade grip. This would explain why the blades went out of track right before the crash. In hindsight I should have landed as soon as that problem was detected but I thought it just needed adjustment. When the blade grip let go, one of the blades apparently reversed pitch, slamming the TREX into the ground. As the blade rotated it cut through the beautiful Hughes fiberglass fuselage and sliced open the 2500 MAH lipo. The lipo flew across the road, and one cell emitted a small flame and then lots of smoke. The other 2 cells were salvaged by Glenn. The TREX needed a rebuilt head. My fancy fusalage was scrapped and now I am back to the stock one.

Cause: This TREX has been upgraded with a Scorpion motor and a larger pinion gear. The result is an extremely fast head speed.

Lesson learned: If you are going to run the head speed higher than stock, use metal blade grips. The plastic ones can't take it.

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