Hi Kevin,
It comes in at 6kg RTR, which is about 3.5kg lighter than the Gas Tunnel I had.
Unfortunatly the cowl came out alot heavier than it needed to be. I'm a novice with fibreglass work, and the when I extended the HTB cowl and reinforced it with carbon, the cowl alone came out weighing .9kg............. Ah well, should be bullet proof in any blow overs.
Gives you a real apprecation for the skill RC boat builders have to get boats as light as they do.