That is possible. However alot of guys now are using li-ion and lipo cells on RX and ignition, that alone would save quite alot of weight. I am using 2 x 2300NimH pack for the Rx, which is where most of the weight is. I also added some ply bracing here and there to toughen things up a bit, but I would find it hard to keep one under 7kg (15.5lbs)