Search found 847 matches

by tufty
Fri Apr 15, 2016 12:45 pm
Forum: Valveless pulsejet forum
Topic: Tips for starting a big Lockwood hiller.
Replies: 7
Views: 1416

Re: Tips for starting a big Lockwood hiller.

<rolls up sleeves> Okay, for the moment, put away your injector. And your sparkplugs / oily rags / fireworks. Make yourself a rosscojector. http://www.pulse-jets.com/phpbb3/viewtopic.php?f=7&t=1902#p21887 Make with a 90° bend in it so you can handhold it in the intake without burning your hand off, ...
by tufty
Thu Apr 14, 2016 5:24 pm
Forum: Valveless pulsejet forum
Topic: Tips for starting a big Lockwood hiller.
Replies: 7
Views: 1416

Re: Tips for starting a big Lockwood hiller.

Did we mention the Rosscojector yet?
by tufty
Fri Apr 08, 2016 8:19 am
Forum: Valveless pulsejet forum
Topic: Jam jar thrust testing
Replies: 0
Views: 981

Jam jar thrust testing

Not sure if this has been posted before, but hey...

https://www.youtube.com/watch?v=p23NGY7Lgek
by tufty
Fri Feb 12, 2016 8:56 pm
Forum: Valveless pulsejet forum
Topic: Lockwood-H pulsejet with variations will it work?
Replies: 22
Views: 3612

Re: Lockwood-H pulsejet with variations will it work?

https://www.youtube.com/watch?v=S57D4J8ResU i've presented it at my school (it was for a school project) so i was able to run it for a longer time, it ran pretty good till my tank froze over and it flamed out. Cool! That said, I would me much happier if you'd been wearing ear defenders. A pair of d...
by tufty
Sun Feb 07, 2016 8:22 am
Forum: Gas turbine forum
Topic: 3D-printed jet engine, sort of...
Replies: 5
Views: 2543

Re: 3D-printed jet engine, sort of...

That's pretty awesome. And there was me thinking 3d printing was useless :)
by tufty
Sun Feb 07, 2016 8:17 am
Forum: Valveless pulsejet forum
Topic: Lockwood-H pulsejet with variations will it work?
Replies: 22
Views: 3612

Re: Lockwood-H pulsejet with variations will it work?

Nice one!

Lockwood-Hiller, AKA "Police Trumpet"
by tufty
Mon Jan 11, 2016 4:55 pm
Forum: Pressure jet forum
Topic: Heads up re Glue 130R
Replies: 2
Views: 1113

Re: Heads up re Glue 130R

Got any video? I like me a Gluey, I do.
by tufty
Sun Jan 03, 2016 4:52 pm
Forum: Valveless pulsejet forum
Topic: More free plans: 40 pound Chinese
Replies: 182
Views: 708788

Re: More free plans: 40 pound Chinese

Niiiiice.

Happy new year.
by tufty
Mon Oct 05, 2015 5:21 am
Forum: Valved pulsejet forum
Topic: Pressure gain combustor (for real!)
Replies: 7
Views: 2567

Re: Pressure gain combustor (for real!)

That's extremely cool, Paulo.

I'm sure we'd all be interested in more details. Have you instrumented your combustor?
by tufty
Tue Jul 14, 2015 7:04 am
Forum: Off topic forum
Topic: Nature's Children
Replies: 696
Views: 173392

Re: Nature's Children

Haha that's ace! Where on earth do you dig these things up from, Mark?
by tufty
Thu Feb 12, 2015 12:18 pm
Forum: Valved pulsejet forum
Topic: Dyna-Jet story
Replies: 36
Views: 14478

Re: Dyna-Jet story

Aaaargh! I would strongly suggest finding someone local who has some Linux experience, and getting them to image the old computer's hard disk and your usb key, in read only mode, using ddrescue *before* letting anyone else play with them. In fact, don't ever let anyone play with the original media u...
by tufty
Wed Feb 04, 2015 3:57 pm
Forum: Tools and Construction
Topic: This made me laugh...
Replies: 1
Views: 867

This made me laugh...

… but may even be useful.

That maniac Furze hydroforming (and then running to destruction) a lockwood-ish thing. Using a pressure washer.

https://www.youtube.com/watch?v=bCsg5pQimWI
by tufty
Wed Feb 04, 2015 3:48 pm
Forum: Valved pulsejet forum
Topic: Identifying my engines
Replies: 6
Views: 2124

Re: Identifying my engines

by tufty
Fri Dec 19, 2014 12:09 pm
Forum: Rocket forum
Topic: 120 lbs thrust rocket engine went 3.5 miles
Replies: 6
Views: 5059

Re: 120 lbs thrust rocket engine went 3.5 miles

Yes Potassium permagnate is interesting stuff too. Potassium permagnate and glycerine ignites above 70 degrees. Potassium permagnate and sugar ignites if it get wet above 70 degrees. Potassium permagnate and hydrogen peroxide makes some extremely powerful rockets. The German WWII ME262 was powered ...
by tufty
Mon Dec 01, 2014 7:03 am
Forum: Valveless pulsejet forum
Topic: Wanted: plans for a 10-20Lb valveless PJ
Replies: 16
Views: 4500

Re: Wanted: plans for a 10-20Lb valveless PJ

I tried searching for Hinote Criteria on the forums, but while it was mentioned repeatedly, it was never really explained. Google search (see below) gives this thread as the first hit : http://www.pulse-jets.com/phpbb3/viewtopic.php?f=3&t=894 including This is extremely interesting stuff, because i...