I have printed out the Curare plan and was going to start build it. However looking at the construction it seem very heavy, so there is in my opinion at the moment room for lightening. This doesn't bother me as I am making it more as a sport plane. I just enjoy building more than flying. However looking at previous posts I see these things can get up to 100mph+, so am I better to stick to the plan or can I use things like 1/8 balsa for the side rather 1/4 etc, and using balsa sheeting for the top deck rather than sanding a large block of balsa to the required shape.

I'm interested to hear what other builders have done and their opinions?