Search found 50 matches

by keith mcconnell
Tue Jan 25, 2011 7:04 pm
Forum: Valveless pulsejet forum
Topic: I need a valveless pulsejet
Replies: 5
Views: 1386

Re: I need a valveless pulsejet

I've got a 55lbs one like that one that a need to sell. If you search on youtube under geardaddyart is the user name and you will see my pulse jet. I collapsed the exhaust tube in the video but I replaced it with a new made of 304 stainless steel. Runs good. I can get new video if you want.

Keith
by keith mcconnell
Sun Jan 23, 2011 4:16 pm
Forum: Valveless pulsejet forum
Topic: big lockwood style plans see if you think it will work
Replies: 64
Views: 10922

Re: big lockwood style plans see if you think it will work

I got all of the pulse jet tacked up and about half of it welded this week. Next week I should be able to get the rest welded next week and get the fuel nozzles done. Maybe two weeks I'll start making so noise!

Keith McConnell
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by keith mcconnell
Thu Jan 20, 2011 12:14 am
Forum: Valveless pulsejet forum
Topic: Lockwood hiller valveless pulsejet
Replies: 15
Views: 7390

Re: Lockwood hiller valveless pulsejet

I built a 55 lbs thrust one. I think I got the plans from Bruce Simpson. http://www.pulsejetbook.com Here the video for it.
http://www.youtube.com/watch?v=eJy7kV6XKDw

I've got plans for a 100 lbs one on here to but I've not built it yet so it is untested.

Keith McConnell
by keith mcconnell
Sun Jan 09, 2011 2:21 am
Forum: Valveless pulsejet forum
Topic: big lockwood style plans see if you think it will work
Replies: 64
Views: 10922

Re: big lockwood style plans see if you think it will work

Unfortunately I was not able to get 321 but had to settle for 316L.
by keith mcconnell
Fri Jan 07, 2011 1:42 am
Forum: Valveless pulsejet forum
Topic: big lockwood style plans see if you think it will work
Replies: 64
Views: 10922

Re: big lockwood style plans see if you think it will work

got most of the pulse jet tacked up today. I'll set up the purge tomorrow and hopefully get some welded and maybe have it finished next week.

Keith McConnell
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by keith mcconnell
Tue Dec 28, 2010 3:13 am
Forum: Want to Join?
Topic: New here
Replies: 2
Views: 5621

Re: New here

hey,

I'm in Chattanooga TN. Send me a email and maybe we can get together. I've built the lockwood and I'm working on one that is a little bit bigger. Would be glad to help any way I can.

Keith McConnell
by keith mcconnell
Tue Dec 07, 2010 5:10 pm
Forum: Valveless pulsejet forum
Topic: big lockwood style plans see if you think it will work
Replies: 64
Views: 10922

Re: big lockwood style plans see if you think it will work

Here a drawing of the fuel nozzel for the pulse jet. This one will go in the combustion chamber for gas and there will be one in the intake next to the cone going to the combustion chamber for propane. I'm going to try to start on propane and then switch over to gas. Let me know what you guys think....
by keith mcconnell
Fri Dec 03, 2010 1:41 am
Forum: Valveless pulsejet forum
Topic: How are spark and fuel delivered?
Replies: 3
Views: 1181

Re: How are spark and fuel delivered?

For propane fuel I just use a ball valve and a steel braided hose from the ball valve to the engine. Make sure you don't have a regulator on the propane tank. For ignition you can use a model t buzz coil or build a circuit to drive the coil. Bruce Simpson has some info on his web site. I'll try to t...
by keith mcconnell
Sun Nov 07, 2010 1:25 am
Forum: Valveless pulsejet forum
Topic: beginers valveless jet engine
Replies: 11
Views: 5281

Re: beginers valveless jet engine

I have a air cannon that will shoot a potato 3000 feet. And it will go through a 1/2" thick plywood at 30 yards.
http://www.youtube.com/watch?v=Ugze5AiFb40
by keith mcconnell
Wed Oct 27, 2010 4:38 pm
Forum: Valveless pulsejet forum
Topic: big lockwood style plans see if you think it will work
Replies: 64
Views: 10922

Re: big lockwood style plans see if you think it will work

I got my SS u in today. Now if I can find sheets of 321 SS I'll be ready to start building.
by keith mcconnell
Fri Oct 15, 2010 2:54 pm
Forum: Valveless pulsejet forum
Topic: big lockwood style plans see if you think it will work
Replies: 64
Views: 10922

Re: big lockwood style plans see if you think it will work

Do you think this thing will make 100# of thrust. Also I plan to use two fuel injectors like the ones Bruce Simpson uses. One will be propane to start the engine and the other will be for gas after it is warmed up. Also does the CC need to have a taper to it? I've got it straight now. The lockwood t...
by keith mcconnell
Wed Oct 13, 2010 8:32 pm
Forum: Valveless pulsejet forum
Topic: big lockwood style plans see if you think it will work
Replies: 64
Views: 10922

Re: big lockwood style plans see if you think it will work

Thanks. No problem with other engine, I understand. I got the CC numbers from Beck's pulsejet engine calculator for 100 pound thrust engine and used ratios that are in Bruce Simpson's book to get the other dimensions. Just wanted to see what everyone thought before I started to build it. Thanks agai...
by keith mcconnell
Wed Oct 13, 2010 5:56 pm
Forum: Valveless pulsejet forum
Topic: big lockwood style plans see if you think it will work
Replies: 64
Views: 10922

big lockwood style plans see if you think it will work

Here's a drawing of a big lockwood style pulse jet. This is my first attempt to draw one. Please take a look and tell me if you guys think it will run.

Thanks,

Keith McConnell
by keith mcconnell
Wed Oct 13, 2010 4:36 pm
Forum: Valveless pulsejet forum
Topic: Please put your "I am new and need help" question here.
Replies: 365
Views: 1732169

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

how to you post a jpg photo. I tried to attach it but it say its invalid file. Am I doing something wrong?