Valveless pulsejet forum

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Mike's Build Log

Last post by Alex Eng « Sat Nov 22, 2025 9:12 am
Replies: 443
by Mike Everman » Sat Nov 24, 2007 4:07 am
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532219 Views

Last post by Alex Eng
Sat Nov 22, 2025 9:12 am
Please put your "I am new and need help" question here.

Last post by giulimb « Mon Jun 24, 2024 10:04 pm
Replies: 421
by ace_fedde » Fri Jul 17, 2009 4:51 pm
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2150420 Views

Last post by giulimb
Mon Jun 24, 2024 10:04 pm
PyroJoes Recipe for Beginners

Last post by PyroJoe « Thu Jun 30, 2016 10:10 pm
Replies: 209
by PyroJoe » Fri Sep 24, 2010 8:50 pm
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1956039 Views

Last post by PyroJoe
Thu Jun 30, 2016 10:10 pm
Looking for plans? Look here.

Last post by tufty « Wed Nov 12, 2014 5:05 pm
Replies: 28
by Tom » Sat Jan 29, 2005 6:43 pm
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1723966 Views

Last post by tufty
Wed Nov 12, 2014 5:05 pm
Essential Reading

Last post by Pyromaniac « Sat Sep 27, 2014 1:36 am
Replies: 6
by Bruno Ogorelec » Tue Aug 30, 2005 9:39 pm

6 Replies

39217 Views

Last post by Pyromaniac
Sat Sep 27, 2014 1:36 am
Running Pulsejets - Setting up and running pulsejets SAFELY

Last post by Eric « Mon Sep 07, 2009 11:43 pm
Replies: 3
by Eric » Mon Sep 08, 2008 2:26 am

3 Replies

27880 Views

Last post by Eric
Mon Sep 07, 2009 11:43 pm
Not so good news about valveless engines...

Last post by Alex Eng « Tue Jun 03, 2025 10:38 pm

by Alex Eng » Tue Jun 03, 2025 10:38 pm

0 Replies

23623 Views

Last post by Alex Eng
Tue Jun 03, 2025 10:38 pm
Valveless pulsejet workflow simulation online

Last post by Alex Eng « Fri May 09, 2025 11:25 am
Replies: 6
by Alex Eng » Sat Mar 29, 2025 5:02 pm

6 Replies

11853 Views

Last post by Alex Eng
Fri May 09, 2025 11:25 am
Selecting the optimal parameters of a valveless pulsejet

Last post by Alex Eng « Fri May 09, 2025 11:14 am
Replies: 1
by Alex Eng » Mon Apr 07, 2025 12:26 pm

1 Replies

9443 Views

Last post by Alex Eng
Fri May 09, 2025 11:14 am
More free plans: 40 pound Chinese

Last post by metiz « Tue Feb 11, 2025 6:30 pm
Replies: 202
by metiz » Wed Dec 23, 2009 12:31 pm
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202 Replies

971480 Views

Last post by metiz
Tue Feb 11, 2025 6:30 pm
Valveless Pulsejet Powered Hang Glider?

Last post by Mike Everman « Fri Jan 10, 2025 10:48 pm
Replies: 7
by Wayne Smith » Fri Nov 22, 2024 7:52 am

7 Replies

17562 Views

Last post by Mike Everman
Fri Jan 10, 2025 10:48 pm
From Russia without Valve

Last post by metiz « Thu Sep 12, 2024 12:21 am
Replies: 23
by AlexanderAndrosov » Sat Oct 21, 2023 6:36 am
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38449 Views

Last post by metiz
Thu Sep 12, 2024 12:21 am
Reynst pot thrust

Last post by Mark « Sat Oct 21, 2023 2:48 pm
Replies: 6
by VicHanby » Mon Oct 16, 2023 8:42 pm

6 Replies

15114 Views

Last post by Mark
Sat Oct 21, 2023 2:48 pm
University research project topic

Last post by Mark « Wed Jun 14, 2023 7:54 pm
Replies: 3
by Theo » Fri Jun 09, 2023 12:37 am

3 Replies

13931 Views

Last post by Mark
Wed Jun 14, 2023 7:54 pm
Lockwood Hiller pulse jet rules of thumb?

Last post by metiz « Wed Mar 16, 2022 6:12 pm
Replies: 14
by Thingamajig » Sat Nov 17, 2018 1:24 am

14 Replies

35243 Views

Last post by metiz
Wed Mar 16, 2022 6:12 pm
LOCKWOOD HILLER TIPJET?

Last post by tufty « Wed Jan 12, 2022 6:23 am
Replies: 1
by roland2001 » Wed Jan 05, 2022 4:53 am

1 Replies

13289 Views

Last post by tufty
Wed Jan 12, 2022 6:23 am
My first pulse jet!!!

Last post by metiz « Thu May 13, 2021 11:23 am
Replies: 6
by Ajeep18 » Thu Apr 29, 2021 3:42 pm

6 Replies

19798 Views

Last post by metiz
Thu May 13, 2021 11:23 am
Lockwood Hiller Pulsejet *almost* running

Last post by metiz « Sun Jan 10, 2021 3:00 pm
Replies: 4
by buildcomics » Wed Dec 23, 2020 12:25 pm

4 Replies

22016 Views

Last post by metiz
Sun Jan 10, 2021 3:00 pm
Scrap Queen's first foray into valveless pulse jets

Last post by Mike Everman « Fri Dec 11, 2020 2:33 pm
Replies: 30
by ScrapQueen » Wed Oct 28, 2020 7:08 pm
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54430 Views

Last post by Mike Everman
Fri Dec 11, 2020 2:33 pm
Thermojet combustion chamber rear end geometry?

Last post by Dav_Daddy « Sat May 09, 2020 7:16 am

by Dav_Daddy » Sat May 09, 2020 7:16 am

0 Replies

29806 Views

Last post by Dav_Daddy
Sat May 09, 2020 7:16 am
Videos of my valveless pulsejet progression

Last post by Dav_Daddy « Thu May 07, 2020 11:46 am

by Dav_Daddy » Thu May 07, 2020 11:46 am

0 Replies

28540 Views

Last post by Dav_Daddy
Thu May 07, 2020 11:46 am
A short video of my thermojet running!

Last post by Dav_Daddy « Thu May 07, 2020 11:31 am
Replies: 2
by Dav_Daddy » Tue Apr 07, 2020 12:20 am

2 Replies

16221 Views

Last post by Dav_Daddy
Thu May 07, 2020 11:31 am
Christmas bonus!

Last post by Mark « Sat Dec 28, 2019 11:57 pm
Replies: 2
by tufty » Fri Dec 27, 2019 4:41 pm

2 Replies

17376 Views

Last post by Mark
Sat Dec 28, 2019 11:57 pm
Valveless pulsejet-computational fluid dynamics

Last post by Mike Everman « Thu Jan 17, 2019 2:40 pm
Replies: 39
by ganuganu » Wed Mar 01, 2017 3:21 pm
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39 Replies

88928 Views

Last post by Mike Everman
Thu Jan 17, 2019 2:40 pm
Plumbing Pulse jet stalling

Last post by Mike Everman « Mon Dec 10, 2018 1:28 pm
Replies: 2
by ebspulse » Tue Dec 04, 2018 5:20 pm

2 Replies

18838 Views

Last post by Mike Everman
Mon Dec 10, 2018 1:28 pm
Annular M20

Last post by Mike Everman « Thu Jun 21, 2018 11:05 pm
Replies: 5
by metiz » Tue Aug 29, 2017 6:25 pm

5 Replies

22269 Views

Last post by Mike Everman
Thu Jun 21, 2018 11:05 pm
Glow plug can start pulsejet?

Last post by Mark « Sun Mar 25, 2018 1:29 am
Replies: 6
by sedalc » Fri May 06, 2011 10:26 pm

6 Replies

28407 Views

Last post by Mark
Sun Mar 25, 2018 1:29 am
Cant start pulse jet

Last post by Pulse_Man « Sun Jul 16, 2017 12:09 am
Replies: 6
by Pulse_Man » Thu Jul 13, 2017 4:23 am

6 Replies

25442 Views

Last post by Pulse_Man
Sun Jul 16, 2017 12:09 am
Looking for plans for 'Hillar Pulse Reactor'

Last post by Kool « Tue Jun 13, 2017 7:44 pm
Replies: 3
by Mrbean » Wed Dec 28, 2016 6:58 pm

3 Replies

20479 Views

Last post by Kool
Tue Jun 13, 2017 7:44 pm
Thermojet not producing thrust

Last post by metiz « Wed Jan 18, 2017 5:11 pm
Replies: 1
by KE8DAH » Wed Jan 18, 2017 3:18 am

1 Replies

15930 Views

Last post by metiz
Wed Jan 18, 2017 5:11 pm
Do you see anything wrong with this pulse jet?

Last post by metiz « Thu Sep 22, 2016 10:14 pm
Replies: 8
by BigR77 » Tue Sep 20, 2016 9:40 pm

8 Replies

24866 Views

Last post by metiz
Thu Sep 22, 2016 10:14 pm
Lovely video...

Last post by Mark « Fri Sep 02, 2016 2:21 am
Replies: 5
by tufty » Thu Jun 23, 2016 4:39 pm

5 Replies

22808 Views

Last post by Mark
Fri Sep 02, 2016 2:21 am
Another Thermo Jam

Last post by Fileeraus « Tue Aug 02, 2016 7:12 pm
Replies: 11
by jamjarjim » Tue Aug 12, 2014 11:15 am

11 Replies

31869 Views

Last post by Fileeraus
Tue Aug 02, 2016 7:12 pm
Reynst pot help

Last post by Fileeraus « Mon Aug 01, 2016 1:09 pm
Replies: 49
by Fileeraus » Thu Apr 21, 2016 5:40 am
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49 Replies

95799 Views

Last post by Fileeraus
Mon Aug 01, 2016 1:09 pm
Pool of methanol engines?

Last post by Fileeraus « Wed Jul 27, 2016 8:27 am

by Fileeraus » Wed Jul 27, 2016 8:27 am

0 Replies

31317 Views

Last post by Fileeraus
Wed Jul 27, 2016 8:27 am
would this be considered a low frequency rudimentary pulse?

Last post by metiz « Wed May 25, 2016 5:40 pm
Replies: 7
by maybach123 » Tue May 17, 2016 1:18 am

7 Replies

24487 Views

Last post by metiz
Wed May 25, 2016 5:40 pm
Will this linear engine work?

Last post by cb68 « Tue May 17, 2016 12:53 pm

by cb68 » Tue May 17, 2016 12:53 pm

0 Replies

32314 Views

Last post by cb68
Tue May 17, 2016 12:53 pm
Tips for starting a big Lockwood hiller.

Last post by metiz « Wed Apr 20, 2016 11:43 am
Replies: 7
by Bclark215 » Thu Apr 14, 2016 12:00 am

7 Replies

24955 Views

Last post by metiz
Wed Apr 20, 2016 11:43 am
Jam jar thrust testing

Last post by tufty « Fri Apr 08, 2016 8:19 am

by tufty » Fri Apr 08, 2016 8:19 am

0 Replies

31529 Views

Last post by tufty
Fri Apr 08, 2016 8:19 am
Variable frequency valveless pulsejet

Last post by emile « Fri Apr 01, 2016 7:08 pm
Replies: 8
by emile » Tue Mar 29, 2016 6:04 pm

8 Replies

26225 Views

Last post by emile
Fri Apr 01, 2016 7:08 pm
Lockwood-H pulsejet with variations will it work?

Last post by Joris « Fri Mar 25, 2016 8:16 pm
Replies: 22
by Joris » Thu Jan 21, 2016 11:28 am
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22 Replies

50035 Views

Last post by Joris
Fri Mar 25, 2016 8:16 pm
Help finding lockwood-h jet plans!!!

Last post by Bclark215 « Wed Jan 20, 2016 3:37 pm
Replies: 10
by Bclark215 » Mon Jan 11, 2016 11:23 pm

10 Replies

30418 Views

Last post by Bclark215
Wed Jan 20, 2016 3:37 pm
Proposed pressure tap for the M40

Last post by Chook « Sat Oct 31, 2015 6:11 am
Replies: 8
by Skynet » Thu Apr 23, 2015 2:54 pm

8 Replies

26505 Views

Last post by Chook
Sat Oct 31, 2015 6:11 am
Short Lady Build Log

Last post by nickwilson « Thu Mar 05, 2015 8:12 pm
Replies: 33
by sid_raptor » Thu May 08, 2014 4:48 pm
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33 Replies

71319 Views

Last post by nickwilson
Thu Mar 05, 2015 8:12 pm
"Replacement" for Gluhareff tipjet.

Last post by Cita « Fri Jan 23, 2015 3:32 pm
Replies: 3
by Cita » Fri Jan 02, 2015 8:47 am

3 Replies

19713 Views

Last post by Cita
Fri Jan 23, 2015 3:32 pm
Questions about CFD analysis and What is Uflow1D?

Last post by Ryan Blake « Wed Dec 10, 2014 2:55 am
Replies: 3
by sid_raptor » Sat May 10, 2014 8:09 pm

3 Replies

19581 Views

Last post by Ryan Blake
Wed Dec 10, 2014 2:55 am
Internal circulation-directing structures.

Last post by sockmonkey « Sun Dec 07, 2014 12:10 pm

by sockmonkey » Sun Dec 07, 2014 12:10 pm

0 Replies

32356 Views

Last post by sockmonkey
Sun Dec 07, 2014 12:10 pm
Wanted: plans for a 10-20Lb valveless PJ

Last post by lovot « Mon Dec 01, 2014 7:15 am
Replies: 16
by lovot » Sat Nov 22, 2014 7:35 pm
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16 Replies

45826 Views

Last post by lovot
Mon Dec 01, 2014 7:15 am
My pulsejets

Last post by nickwilson « Wed Nov 26, 2014 5:43 am

by nickwilson » Wed Nov 26, 2014 5:43 am

0 Replies

32029 Views

Last post by nickwilson
Wed Nov 26, 2014 5:43 am
how to set up a liquid fuled engine

Last post by tufty « Sun Nov 23, 2014 7:04 am
Replies: 16
by lovot » Thu Sep 25, 2014 9:47 pm
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16 Replies

53144 Views

Last post by tufty
Sun Nov 23, 2014 7:04 am

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