hey chip how do you think i should go about sheading pounds for the Sig Extra i went ahead and bought it and have it built in 2 nights it has enlarged elevators!! they modified them i have no idea how but it can pre hinged too i have a saito 180 mounted and the new Futaba 7CHP how and had 4 flights logged on it with that prop combo it has unlimited vertical as far as i can see i haven weighed it but i think its around 13 pounds what should i change to shead some weight so i get better speed i was amazed it has invinity vertical but its not the kind of high speed vertical. Any help would be appreciated.