Sorry but > I know a lot of physics is involved in building one. + your comment here makes me think you have a lot of research to do. You should focus on ge

Sorry but > I know a lot of physics is involved in building one. + your comment here makes me think you have a lot of research to do. You should focus on getting an off the shelf propeller based remote controlled plane if your budget is also only $300 and not $3000+ See something like this https://www.horizonhobby.com/product/aermacchi-mb-339-arf-with-kingtech-k-85g4-turbine-combo/HAN3390CKT85.html https://www.horizonhobby.com/product/aermacchi-mb-339-arf-wi... And http://modelaircraftcompany.com/newshop/en/micro-jet-turbines/850-amt-pegasus-with-16-17-kg-of-thrust-micro-turbine.html http://modelaircraftcompany.com/newshop/en/micro-jet-turbine...