Dave,
Thanks for suggesting the computer program, unfortunately it wont work on my mac. I could compare your numbers by entering the Mosquito ultralight specs into the X-plane simulator.
Bugdevheli,
You are correct for the typical disc loading.
I am experimenting with very low disc loading that according to my X-plane program can lift 25 lb/hp.
I would like to confirm the X-plane accuracy before I get to far along.