Search found 591 matches

by Rossco
Thu Apr 01, 2004 12:05 pm
Forum: Valveless pulsejet forum
Topic: New PJ Designs and Feedback
Replies: 205
Views: 163251

This is one that i have lost interest/inspiration with. -Only one side has an ignition spark. -fuel is delivered to both CC's after the neck of the intake at 90 to the intake flow. -The fuel lines come from a T piece that has a common fuel feed. (they may need check valves, but my theory with propan...
by Rossco
Tue Mar 30, 2004 10:13 am
Forum: Valveless pulsejet forum
Topic: New PJ Designs and Feedback
Replies: 205
Views: 163251

Im aware of the "prowlers" but surely its worth it just to have the combined knowledge of all that is here. I may not get anywhere with my engines, i may, but even then would i market them and get them out there? I would prefer to build one that works than work on one forever that might work. If i w...
by Rossco
Tue Mar 30, 2004 9:23 am
Forum: Valveless pulsejet forum
Topic: Howling mode
Replies: 67
Views: 63864

My flame tube test rig blew to pieces in the workshop once, that made everyone howl a bit... I tried to run a larger straight PJ at a higher harmonic frequency, it resonated, but did not sustain at all. It was nowhere near the scream of the one that i mentioned before tho. I was toying with the idea...
by Rossco
Mon Mar 29, 2004 9:50 pm
Forum: Valveless pulsejet forum
Topic: New PJ Designs and Feedback
Replies: 205
Views: 163251

Thanx for that Mike, i couldnt see a thing, or download it? Ill have to look into viewing TIF files. Righto, that has got the ball rolling hopefully. Ill get on to getting one of my engines up here......after work. Really cuts into your spare time that does!!!!! Ive got a double combustion chamber o...
by Rossco
Mon Mar 29, 2004 2:05 pm
Forum: Valveless pulsejet forum
Topic: New PJ Designs and Feedback
Replies: 205
Views: 163251

New PJ Designs and Feedback

You all seem to be playing with the same old designs? I want to see all the new designs that are still crazy experiments going on in the gararge! C'mon, Ill show you mine if you show me yours! What is the general consences of this idea? How willing is everyone to share their new ideas? Ross. For exa...
by Rossco
Mon Mar 29, 2004 1:29 pm
Forum: Valveless pulsejet forum
Topic: Howling mode
Replies: 67
Views: 63864

Howling

i havnt been here for so long that i went to sign up and found that someone else (me) had already taken my name and email add. OOPS Im interested in this howling. I have an engine, had an engine, that did this. Its since been pilfered for parts. Mine did it a little differently. In fact it did every...