i doubt the carbon stuff is that much lighter. everyone thinks carbon cloth is miles lighter but it's infact stronger, so you need less, thats where the main weight saving comes from ( that and less material = less epoxy ) , so, you can be lighter for the same strength, or stronger for the same weight.

either way with the Capiche UC i would replace the lower stringers with bass wood, or better still forget the larger 3rd layer on the ply plate and the balsa floor, go for full length ply base with lighting holes as per balsa parts. small weight penalty, big strength gain.

with a full length ply plate you could toy with torsion bar UC which would give ultimate damping, work's a treat on my Bug

the black parts are wire clamps which hold the rear of the two wires to the wheels, the horizontal part is about 3" and the end is bent into the engine mount. this allows the UC to bend outwards under strain.

West 50 run in....
Start engine on factory settings. run thought the range to make sure it doesn't cut.
refuel after about 1mins running, start again, get airborne. worked for me.
The West 36 was flown from the very first flick, infact first job was a prophang