I have to agree with Phil and Richard on this one. You've got a problem... and you're in denial
. The numbers just don't add up. Mine has been heavily modded with brass dihedral rod joiners, epoxied spars, arrow shaft in the boom, large foam wheels, 350C (for the time being), extra reinforcing tape, etc. I checked the weight last weekend and it comes in at 13 oz w/o batteries.
But, I agree with everyone else... it really doesn't matter if it flies. I've flown this one with a 400C, 8 ounce battery pack, camera, and shutter switch electronics. Not exactly a quick climbout, but it got up to spec height for some good photos.
Might want to find a third set of scales!