A fellow modeller just finished his electrified Byron CAP 21 with an 80" span and a 10s5000 AUW of just under 15 lbs. I thought I'd post a photo of it here as it will hopefully inspire me to get back to the drawing board and finish up the plans for the 50" and 75" "e-light" versions here.

Jasons 80" is powered by an E-Flite 160 and 10 40C cells spinning a 20x8 prop at 7200 rpm - this is in the 50cc gas equivalent ballpark. My 75" version is targeted to come in at under 10 lbs and use 120 equivalent E-power with 8s and something more along the lines of an 18" prop.

Here's a link to a spinup test of the beast:

http://www.rcuniverse.com/forum/fb.asp?m=9698270

I hope May will bring me back to the drafting table as I'm getting close to finishing the frame up of my winter builds.

David.

P.S. Rusty, I also hope to finish up the Dalo 30 110% plans so we can start thinking about building these birds. They'll hopefully make for a good fall project.