Hello all,


Well after sending off my plane to Hobbico about 4 weeks ago, I got the items back, well, after i had to call them and yell at them for forgetting half my items, and sending me the wrong plane "kit". Anyways, the plane had a mid-air collision, took it home and cleaned out the ening and it was running great after about 3 hours of working on it. I sent it back to Hobbico when they requested all the items I recovered from my mid-air, so, not wanting to leave anything out I sent the working engine back. Fast forward 4 weeks and I finished my Tower Trainer ARF and the engine is Knocking like no ones business. Sounds like wood planks in a bicycle spoke. Like I said the engine was running great when it left, now It sounds terrible, it starts up easy, just sounds horrible. Im not sure what the issue is, or if they even looked at the engine after charging me even though it was under warranty. Nothing is loose, everything is on just the way it should be but its still knocking. Any Ideas?


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