vo ka wikipedia pasake Most steel engines have a thermodynamic limit of 37%. Even when aided with turbochargers and stock efficiency aids, most engines retain an average efficiency of about 18%-20%.[12][13] Rocket engine efficiencies are better still, up to 70%, because they combust at very high temperatures and pressures and are able to have very high expansion ratios. "ukw" <fm@fm.fm> wrote in message news:hre3od$r5t$1@trimpas.omnitel.net... > > "Specelistas" <kas@yra.ble> wrote in message > news:hre3ij$qs8$1@trimpas.omnitel.net... >> reaktyviniu dar mazesnis :) >> > > a kosminiu tada koks? > >