Search found 11 matches

by franchouille
Sat Apr 19, 2014 12:03 am
Forum: Valveless pulsejet forum
Topic: lockwood hiller valveless pulsejet starting problem
Replies: 23
Views: 13403

Re: lockwood hiller valveless pulsejet starting problem

Ok I will test this injector, have you got a good website for a plan please?
Thanks
by franchouille
Wed Apr 16, 2014 4:23 pm
Forum: Valveless pulsejet forum
Topic: lockwood hiller valveless pulsejet starting problem
Replies: 23
Views: 13403

Re: lockwood hiller valveless pulsejet starting problem

Ok i do not shorter the air intake?
by franchouille
Thu Apr 10, 2014 11:58 pm
Forum: Valveless pulsejet forum
Topic: lockwood hiller valveless pulsejet starting problem
Replies: 23
Views: 13403

Re: lockwood hiller valveless pulsejet starting problem

My injector is a tube of internal diameter 4mm, with 2 lines of holes of 2mm of diameter, which crosses my combustion chamber in 10mm of the cone of the air inlet. Think you that I have to cut my intake air? video of building step by step: https://www.youtube.com/watch?v=6n6-9obEKSk&feature=youtu.be...
by franchouille
Wed Apr 09, 2014 5:11 pm
Forum: Valveless pulsejet forum
Topic: lockwood hiller valveless pulsejet starting problem
Replies: 23
Views: 13403

Re: lockwood hiller valveless pulsejet starting problem

Mike, Ok I will make an intake flare. Metiz, what can I do? I have to notice that the pulsejet began to buzz as if it was going to start when the flame was in the combustion chamber and when I put the pipe of my compressor into the air intake to move closer to it to the flame but never have to start...
by franchouille
Tue Apr 08, 2014 2:19 pm
Forum: Valveless pulsejet forum
Topic: lockwood hiller valveless pulsejet starting problem
Replies: 23
Views: 13403

Re: lockwood hiller valveless pulsejet starting problem

It run! I adjust fuel flow, and I use my new compressor. But I have the impression that it have low thrust.

Video: https://www.youtube.com/watch?v=WQZ9iztI4qE
by franchouille
Mon Apr 07, 2014 7:14 pm
Forum: Valveless pulsejet forum
Topic: lockwood hiller valveless pulsejet starting problem
Replies: 23
Views: 13403

Re: lockwood hiller valveless pulsejet starting problem

Ok, i will test party sparklers. Today I buy a stun gun (electric shocker, tazer) on a chinise web site for 13 usd, it is made with a ruhmkorff coil, I think it's the better for ignition. For the TV coil I already use one for the ignition of my potato cannon (spud gun), I connected it on a circuit f...
by franchouille
Sun Apr 06, 2014 11:49 pm
Forum: Valveless pulsejet forum
Topic: lockwood hiller valveless pulsejet starting problem
Replies: 23
Views: 13403

Re: lockwood hiller valveless pulsejet starting problem

chook, my fuel nozzle is placed almost as your's but he is placed just after the cone on the combustion chamber as you can see in the plan. My fuel nozzle is 130mm of long inside the combustion chamber; inside diameter 4mm; 42 holes of 3.5mm all around. Do you think it's good or i need to exchange? ...
by franchouille
Fri Apr 04, 2014 1:10 am
Forum: Valveless pulsejet forum
Topic: lockwood hiller valveless pulsejet starting problem
Replies: 23
Views: 13403

Re: lockwood hiller valveless pulsejet starting problem

Hi chook, You tell me to put more gas, but how i can put more gas? I have to put the fuel tank upside down? put a other tank on the combustion chamber? I'm not very good in english, but I think I understand you said to me i have to put my air source only during a little time in the intake air of my ...
by franchouille
Wed Apr 02, 2014 11:10 pm
Forum: Valveless pulsejet forum
Topic: lockwood hiller valveless pulsejet starting problem
Replies: 23
Views: 13403

Re: lockwood hiller valveless pulsejet starting problem

I already use a 13kg (30lbs) full propane tank without regulator.
You think i have to return the tank?
Put another tank on the combustion chamber?
At least i make a compressor, quantity of air could be the problem?
thank you for help
by franchouille
Tue Apr 01, 2014 7:02 pm
Forum: Valveless pulsejet forum
Topic: lockwood hiller valveless pulsejet starting problem
Replies: 23
Views: 13403

lockwood hiller valveless pulsejet starting problem

hi evrybody, I'm french and i made a lockwood hiller valveless pulse jet engine run on propane but he doesn't work, i don't understand why because i follow the plans, can you help me understand please? link of the plan: http://www.home.no/andreas.sunnhordvik/mekanisk/Valveless/Drawing.jpg link of th...