G
Guest
i'm parrie from india your doubt so silly as everybody know solarenergy is an heat engine ,u can directly absorbs the heat through solar cell& feed in to hot side piston and cool the cold space by cooling fan better than that since greater temperature difference give the good efficiency ,i suggest u to search more sites on sterling engines through net ok send me reply and teii what u do from country you are from i'm a marine engineer MAIL ME @ [email protected]