www.pulse-jets.com

Im planing to build tesla-GT(hybrid) too... when i get summer job > money. First step would be building of the turbine. To get best nozzle-dessing and meassure compressor right, i would need some kind of flow sensors and dynometter. Then i get nice curves to analyse. Simple :P I think that the compr...

http://www.youtube.com/watch?v=yk-_IGd4xYE
Turnable nozzle :O

lol... it's almost same thing to do helicopter with fixed engine :D there is tailrotor in kolibri too

Hmm... it isn't problem to use better and bigger ramjets, works better and thats the main thing.
But can ramjets provide enaugh static trust to get rotor rotating? w/o pressured air?

Is there some kind of ramtip angle changeing things on kolibri? so ramjet angle of attack is allways 0degrees?

Helicopter with ramjets should have collective pitch controls... that one doesnt have those and making it super deathly :D Because those engines cant rise RPM fast enaugh and when angle of attack can't be changed... engines fails easily and copter comes down like stone when autorotation is impossibl...

Do you guys do it like this?

i think that it would be better to draw rectangulars straight to steel... more exact dimensions :/

Well... I bought plans for helicopter like this http://kotisivu.dnainternet.net/kaikjuk/varitys.png colored by myself :P Check out the plans: http://kotisivu.dnainternet.net/kaikjuk/OMHEaglePlans.zip Many professionals have said that those plans are crap... Blades fixing to aluminium tubes is going ...

Nothing new with project... 0€ on my wallet and dad is not interessed... have to wait for summer. I have made 07x "model" from paper, but i think that its hard to move dimensions to steel... I have read that right dimesions are very important. How did you bend those pipe's? Just around other pipe ...

usualy biger are more efficient than smaller :/ i dont know about how it is with pulse-jets

http://www.youtube.com/watch?v=f1WwvESgPxk
I found this... it's cool!

keyword is titanium :P

And some fuels burn colder

in big jet turbine there is oil nozzles witch flows oil to bearings and oil is collected back in many sucktion stages. Those sucking things are in labyrint seals Between last seals there is added compressed air so there doesnt come preasure differ so it doesnt suck air from outside, i think, i dont ...

how about number of inlets?

i think that one would be best :/

I know that yeast start to die when there is ~30% alcohol if it helps anybody
Alcohol % can maybe be measured by resistant :/ if it helps anybody :)