Manzo, Emil wrote: > Hi Joe, for no (very few) moving parts you need a ram-jet. Or as some > used to call a “scram jet”. > A scramjet is for once you reach super sonic speeds and is designed "slightly" differently then a ramjet. Same mechanics of operation though.
> It is essentially a pipe with a venturi and a fuel injector. It needs > to have air flowing through it before ignition, like if it was > attached to a glider or vehicle. Once enough airspeed flows, the > injector is activated and the fuel ignited producing thrust. I bet WVO > would work for fuel J. Another one of my hair-brained dreams…. > > Regards, > > Emil > > -----Original Message----- > *From:* [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] *On Behalf Of *Joe Street > *Sent:* Wednesday, August 31, 2005 4:03 PM > *To:* Biofuel@sustainablelists.org > *Subject:* Re: [Biofuel] Cross Posted: Fwd: [DIYGasTurbines] Re: I'd > like to try something...but first, your opinions (please). > > Yes but as for sustainability tell me how long do these things run for > at 60 and 70,000RPM and how often do you have to repair them?? > > Joe > > Michael Redler wrote: > > "You have to have deep pockets to play with those things." > > Not necessarily. I joined [EMAIL PROTECTED] > <mailto:[EMAIL PROTECTED]> a few weeks ago after learning > that you can get everything you need from a junk yard. People are > buying auto turbochargers and back feeding the compressor gasses to > the exhaust turbine and adding some fuel and an igniter (spark plug). > > http://www.junkyardjet.com/ > > I'm just having trouble collecting data on efficiency for this technique. > > Mike > > > */Joe Street <[EMAIL PROTECTED]> > <mailto:[EMAIL PROTECTED]>/* wrote: > > Hi Emil; > > I should have said that is not my page. I haven't built a > conventional type pulsejet. I just pulled the link from my > bookmarks FYI. > I am more interested in the coanda effect and the ferroelectric > effect. The problem wih turbines is they are not very sustainable. > You have to have deep pockets to play with those things. I want > something with no moving parts. (other than phonons :-) ) > Just wanted to let you know there are surplus turbines available > out there. > > Good luck > Joe > > Manzo, Emil wrote: > > Hi Joe. When you said Pulse-jet you reminded me of something I saw > when I was a kid. It was a small jet turbine that bolted onto your > car’s differential. It bolted in place of the rear differential > cover and connected to your fuel and electrical system. As the car > ran down the highway, the turbine came up to speed and you could > flip a switch and inject fuel into it for a boost. Primitive but > effective. I bet one of these would run well on biodiesel. > > Your pulse-jets are fabulous. At first I thought they were > “scram-jets” but then saw the turbine. Cool. How much to they cost? > > -----Original Message----- > *From:* [EMAIL PROTECTED] > <mailto:[EMAIL PROTECTED]> > [mailto:[EMAIL PROTECTED] *On Behalf Of *Joe > Street > *Sent:* Wednesday, August 31, 2005 1:39 PM > *To:* Biofuel@sustainablelists.org > <mailto:Biofuel@sustainablelists.org> > *Subject:* Re: [Biofuel] Cross Posted: Fwd: [DIYGasTurbines] Re: > I'd like to try something...but first, your opinions (please). > > This is not at all far fetched. Several people are bulding teir > own turbines and other things like pulsejet engines etc. However > you can get surplus APU's (auxiliary power units) at bargain > prices if you look around. Check here: > http://freespace.virgin.net/dyno.power/gasturbine/ > > Fun stuff! Pulse jets are not just for the military anymore! There > is even a guy talking about building his own personal cruise > missile. =-O Talk about civil disobedience! > > Joe > > Michael Redler wrote: > > I've been researching the feasibility of building a biofuel > turbojet engine. > > Apparently, it's not as far fetched as one might think. I'm still > unsure of thermal efficiency and if it's competitive with other > cycles. In theory, it should be. > > Has anyone done similar research? > > Mike > > > > > >------------------------------------------------------------------------ > > > > >_______________________________________________ > >Biofuel mailing list > >Biofuel@sustainablelists.org <mailto:Biofuel@sustainablelists.org> > >http://sustainablelists.org/mailman/listinfo/biofuel_sustainablelists.org > > > >Biofuel at Journey to Forever: > >http://journeytoforever.org/biofuel.html > > > >Search the combined Biofuel and Biofuels-biz list archives (50,000 messages): > >http://www.mail-archive.com/biofuel@sustainablelists.org/ > > > > > >------------------------------------------------------------------------ > >_______________________________________________ >Biofuel mailing list >Biofuel@sustainablelists.org >http://sustainablelists.org/mailman/listinfo/biofuel_sustainablelists.org > >Biofuel at Journey to Forever: >http://journeytoforever.org/biofuel.html > >Search the combined Biofuel and Biofuels-biz list archives (50,000 messages): >http://www.mail-archive.com/biofuel@sustainablelists.org/ > > > _______________________________________________ Biofuel mailing list Biofuel@sustainablelists.org http://sustainablelists.org/mailman/listinfo/biofuel_sustainablelists.org Biofuel at Journey to Forever: http://journeytoforever.org/biofuel.html Search the combined Biofuel and Biofuels-biz list archives (50,000 messages): http://www.mail-archive.com/biofuel@sustainablelists.org/
