hi everyone...
after a long search for biofoam, depron sheet. i decided to make plane from local material. then i found this sheet and i planing to make one. after spend some hours i made the plane but unfortunately
![Bang Head](http://www.rcindia.org/Smileys/default/BangHead.gif)
i am using 1400 kv motor 7x4.5 propeller 1300 mah 11.1 v battery 4 servo reciver and total wight is 798 grams. but it crash i don't understand why
![Help Me](http://www.rcindia.org/Smileys/default/help.gif)
few pics..