Search found 26 matches

by pulsepower
Sun Jul 10, 2011 12:48 pm
Forum: Valveless pulsejet forum
Topic: My first "Hardfolded" pulsejet
Replies: 0
Views: 1359

My first "Hardfolded" pulsejet

Hey guys, After I've got my first pj running (I used the caliber recipie) I wanted to built a more effective pj with intake and exhaust in the same direction.I extended the chamber to 4.64 caliber for a better combustion and reduces the exhaust diameter to 29mm (originally 33mm) to gain a higher pre...
by pulsepower
Tue Jul 05, 2011 8:08 pm
Forum: Valveless pulsejet forum
Topic: Please put your "I am new and need help" question here.
Replies: 375
Views: 1760592

Re: Please put your "I am new and need help" question here.

So that's the most difficult problem I had to solve since starting to build a pj. Cause I'm living near Düsseldorf and here's nowhere a place where's no house in a circle of 500 metres. (exept plant fields but the owners don't want me to start it upthere because i would destroy 3 or 4 plants :roll: ...
by pulsepower
Mon Jul 04, 2011 2:42 pm
Forum: Valveless pulsejet forum
Topic: Please put your "I am new and need help" question here.
Replies: 375
Views: 1760592

Re: Please put your "I am new and need help" question here.

Where are you testing you engines? after having it run on full throttle for 15 seconds my neighbors came to me nd told me that their cups nwould be shaking in the cupbord! :shock:
that's making any further tests really difficult... :( cause i don't want to give it to the police.
by pulsepower
Mon Jul 04, 2011 12:45 pm
Forum: Valveless pulsejet forum
Topic: Please put your "I am new and need help" question here.
Replies: 375
Views: 1760592

Re: Please put your "I am new and need help" question here.

IT'S LIVING!!! :D :D it's running..like i want it to...unbelievable...(for me) my own jet!! :D :D whoa it's so indecredible loud!! but it has the best sound of all combustion engines. :P to ganuganu: it works perfect if the injector is 40-42% in the intake. Do you thik it's worth to be posted in the...
by pulsepower
Sun Jul 03, 2011 4:08 pm
Forum: Valveless pulsejet forum
Topic: Please put your "I am new and need help" question here.
Replies: 375
Views: 1760592

Re: Please put your "I am new and need help" question here.

Oh,all right,I've watched this pic carefully before,but i thought you pressed it together for liquid fuels. anyway my lockwood engine screwed me up so much I changed it's geometry to Pyro Joes Recipie for beginners. I have found a pipe of exactly 34,5mm,which is nearly the half of my cc's diameter (...
by pulsepower
Sat Jul 02, 2011 7:46 pm
Forum: Valveless pulsejet forum
Topic: Please put your "I am new and need help" question here.
Replies: 375
Views: 1760592

Re: Please put your "I am new and need help" question here.

Got a new injector ,result seems better but it's still not running here's a vid of the growling. I kow it's long but I used different depths of the fuelpipe in the intake so please watch everything. http://www.youtube.com/watch?v=hqhVTWb3LLo Edit: I watches a few videos of other lockwoods and found ...
by pulsepower
Fri Jul 01, 2011 10:18 pm
Forum: Valveless pulsejet forum
Topic: Please put your "I am new and need help" question here.
Replies: 375
Views: 1760592

Re: Please put your "I am new and need help" question here.

I'm using a compressor called air boxy. It has a max.pressure of 8 bar but if yo hold the trigger it has approx. 2 bar. it has no air tank. my problem is,that in our construction market there's no copperpipe with a diameter smaller than 12mm. But with insering the hose in the intake i can reach the ...
by pulsepower
Fri Jul 01, 2011 8:22 pm
Forum: Valveless pulsejet forum
Topic: Please put your "I am new and need help" question here.
Replies: 375
Views: 1760592

Re: Please put your "I am new and need help" question here.

Built my own 11kg propane fuel supply :D ...indeed, it has a 100 times bigger capacity than my small one... i'm not quite sure if i would get a TÜV safety sticker for it,but it works fine. Anyway there's written on the bottle: "Niemals ohne Druckminderer benutzen" what means sth. like :"Never use wi...
by pulsepower
Fri Jul 01, 2011 2:54 pm
Forum: Valveless pulsejet forum
Topic: Please put your "I am new and need help" question here.
Replies: 375
Views: 1760592

Re: Please put your "I am new and need help" question here.

I've found a 11kg bottle in my grandfathers basement!! And it's at least filled to the half!! :D :D
How should I connect it? I've got a 1,5 bar pressure reducer ,too should i use it?
by pulsepower
Fri Jul 01, 2011 1:10 pm
Forum: Valveless pulsejet forum
Topic: Please put your "I am new and need help" question here.
Replies: 375
Views: 1760592

Re: Please put your "I am new and need help" question here.

now I'm using a 750ml cylinder.Too low flow right?
by pulsepower
Fri Jul 01, 2011 12:33 pm
Forum: Valveless pulsejet forum
Topic: Please put your "I am new and need help" question here.
Replies: 375
Views: 1760592

Re: Please put your "I am new and need help" question here.

At first, thank you for that beautiful pictures!!I already knew the principle of a pj but the one starting it was helpful to me.So you think with a bigger propane tank It normally should start up?
by pulsepower
Fri Jul 01, 2011 11:42 am
Forum: Valveless pulsejet forum
Topic: Please put your "I am new and need help" question here.
Replies: 375
Views: 1760592

Re: Please put your "I am new and need help" question here.

Are you sure that this is not enough gas? because At first Iwant to know,whether it runs or not before buying a big bottle for 45€.
by pulsepower
Fri Jul 01, 2011 9:47 am
Forum: Valveless pulsejet forum
Topic: Please put your "I am new and need help" question here.
Replies: 375
Views: 1760592

Re: Please put your "I am new and need help" question here.

I did,what mike said would maybe start up the engine just read it 2 posts before.yes thats the gas supply but i tuned it up so there's quite a lot gas coming out. has s.b. a tip how to get it woking?
by pulsepower
Thu Jun 30, 2011 6:53 pm
Forum: Valveless pulsejet forum
Topic: Please put your "I am new and need help" question here.
Replies: 375
Views: 1760592

Re: Please put your "I am new and need help" question here.

Ah,man thats disgusting!! Nothing works! Here's a vid of this try:
http://www.youtube.com/watch?v=IX7igDYVM3Y
by pulsepower
Thu Jun 30, 2011 6:27 pm
Forum: Valveless pulsejet forum
Topic: Please put your "I am new and need help" question here.
Replies: 375
Views: 1760592

Re: Please put your "I am new and need help" question here.

I'll trie that,even though my engine is a mess already!! :cry:
Whre's your igniton odulke from?