Sorry About Your Lesson.I Hope All Heals Well.A Few Other Points.Do Not Stand In Line With The Porp ( A Blade Can Come Off)
Do Not Hold The Transmiter in Hand When Starting.( Bumped Throttel).Do Not Taxi The Plane Towards You.( Bumper Throttle)
Just One That Burned me Up .Do Not Keep Pens Or Lighter In Shirt Pocket.( If Lucky It Will Only Go Through The Covering)
Just Things I Have Seen Or Done Or Herd Of.I Am Shure There Are Many More.
I Have My Flying Scare I Am Sorry That You Now Have Yours.

Be Safe And Keep Flying.