extra260 Heliman Location: Siena, Italy
| Hallo.
Last week I've try to do the maiden flight with my new HIROBO ch-47.
But, as soon as I increase the power, the blades crashes togheter !! 
I don't know why.... 
How much must be tighten the belt and the bolt of the blade ??
Thank you for your help.... and SORRY dor my english...
Gabriele |