tag:blogger.com,1999:blog-3161362646023574854.post7624937929792153696..comments2023-04-20T20:33:20.964+03:00Comments on extremely economical aeroplane by A4 AVIATION WORX: 500 mph Fenix II ?Jukka Takamaahttp://www.blogger.com/profile/02645802492774525274noreply@blogger.comBlogger3125tag:blogger.com,1999:blog-3161362646023574854.post-44467004122179774012010-12-30T12:09:30.852+02:002010-12-30T12:09:30.852+02:00No one prohibits if converting this to a jet versi...No one prohibits if converting this to a jet version.<br /><br />My speed estimates are for 25/38 propfans at 8500 rpm.<br /><br />I would have at 2 x 60 hp better power to weight ratio than a stock P-51D.<br /><br />So I assume a gas engine of 7500 rpm could be switched to use methanol/nitrous fuel and produce 20% more power ?<br /><br />I did calculate the prop tip speed would stay under 970 km/h so clearly under the speed of sound.Jukka Takamaahttps://www.blogger.com/profile/02645802492774525274noreply@blogger.comtag:blogger.com,1999:blog-3161362646023574854.post-57697531018506654612010-12-30T01:22:10.865+02:002010-12-30T01:22:10.865+02:00Antaisitkos vähän laskutoimitusta tuosta 560 mph j...Antaisitkos vähän laskutoimitusta tuosta 560 mph ja 60 hevosvoimaa (vai tarkoititko 2x60hp)? Eikös se ilmanvastus kasvanut jotensakkin neliöön nopeuden tuplaantuessa? Plus että tuota "märkäpintaa" on kuitenkin jonkisen verran. Ei kuulosta näin äkkiseltään uskottavalta. Mutta empä minä näitä ole laskeskellut, siitä mielenkiinto.Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-3161362646023574854.post-19028354200325732222010-12-29T20:13:21.684+02:002010-12-29T20:13:21.684+02:00How about a cheap jet fighter version?How about a cheap jet fighter version?Anonymousnoreply@blogger.com