i was flying my blade sr when my dads friend wanted to try. i was teaching him and he crashed. their was only damage to the blades. the funny thing is that my dad crashed my helicopter to. so their hve been two crashes and none of them have been caused by me lol. i have been looking at thunder tiger nitro helis i dont know which one to get if anyone has suggestions send me a message. also what are some basic 3d tricks you can do on the blade sr. last thing i have been reading reviews on the blade sr most say they suck but i think it is great tell me what you thiink about the blade sr then post a picture of your helicopter and say what upgrades you put on