Loss Off Thrust in the Circuit-Close shave!

[Suesing]

Hi Guys

This happened the other day while doing touch and goes.

http://youtu.be/7ufS9BVb0NY

Diagnosis: Aunty Sue reknewed engine breather pipe together with plastic bottle.(Jabbi 2200) Forgot to drill air holes in bottle. Back pressure built up, resulting in the carb flooding and fuel overflow.