I need some advice from experienced builders. I'm building around a 20 lb plane about 8 ft wing span and was looking at an engine 1.6 cu in and wondering if it is big enough for the plane. here is a link with more…

I'm new here, but I would like to get some help for my Engineering Capstone Project. I'm designing a UAV (about a 7-8ft wing span) I'm working on sizing and the propulsion and stuff right now which is the main part of my design project. What I would…