HI All ,I have the esky v4 for my grandson??? Out of the box new looked over seemd alright ,When powering up it will fly backwards ,plenty of lift no problem there .Ican lightly capture the tail apply power it lifts off the more power fed in ,it wants to move backward.First flight straight up 40ft +moveing rearward all the time.should the 4in 1 unit mix the speed with the elevator servo(i can see no movement).can anyone help with this problem or am I doing something wrong. Regards Dave