hi guys yesterday i was racing my hyper 7 at a local track when half way through the second race i lost control of my hyper down the straight it took off flat stick accross the infield crossed the track again and launched over a birm using it as a jump i ran over to where the car landed to find it hanging on a fence ideling. Later on i found that the recever crystal had viabrated loose so now i put taper around the reciver so i dosnt happen again