[Rndouglas]

im looking for someone good in one or both of these subjects to help me,even if you aren't maybe you can help me
im 17,still in high school but plan on going to college for engineering propulsion engines.im starting to do some experiments at my house with propulsion engines and am wondering which propulsion system isn't too advanced but can sustain good thrust and thrust to weight ratios for a decent amount of time
the propulsion systems im looking at are as follows:
solid rocket
chemical rocket
ion engine(doubt i could get a strong enough one without a vacuum chamber)
emp engine(quite advanced for a home project)
EHD engine

anyone got any ideas? im looking for a decent engine that could push maybe 10+ HP,carry say 500 lbs would be a good start

also if anyone has any links or knowledge on building a propulsion system such as these please PM me asap!

thanks,

[HugoSimon]

Edited your post. Leaving your full name on the Internet isn't a smart idea.