Mike's Build Log

metiz · Post by **metiz** » Sat Mar 25, 2023 12:29 pm

Hi Mike,

Have you ever gotten around to play with these engines some more?

Post by **Mike Everman** » Mon Apr 10, 2023 3:13 pm

Sadly, no. I find PJet work is something I do when I can have joy in my heart, and '22 was rough. Lost my mom and brother, heavy sigh.
So the 3d printed motor sits there waiting for me to machine a new starting jet fitting.

Clockwork has become more soothing for the moment. I don't know why the two are different as to my state of mind.

I have laid in the stuff to make a pjet with ceramic matrix carbon fiber as the next thing, and still imagine the 3d going a bit larger.

Post by **Mike Everman** » Tue Oct 03, 2023 10:13 pm

Here's what I've been working on lately, non-resonant timekeepers.

And here's a paper I've written about it, some light bathroom reading!

ASPE-Extended-Abstract-Mike Everman 2023 Rev2.pdf: (622.82 KiB) Downloaded 554 times

tufty · Post by **tufty** » Wed Oct 04, 2023 4:50 am

Mike, that's a super interesting read, and already a very cool clock.

metiz · Post by **metiz** » Fri Oct 06, 2023 6:27 pm

About time someone posted something here again! See what I did there?....I'll let myself out. Nice clock Mike!

Mark · Post by **Mark** » Mon Oct 09, 2023 3:46 pm

Mike that's a lot of research and "time" you've put into the project. Interesting history and methodologies. The magnetic induction brought to mind a viscous fluid resistance effect.

Post by **Mike Everman** » Thu Oct 19, 2023 4:19 pm

Ha, Mark, spot on. The next one is a viscous shear type, and the deep dive has been how to compensate for viscosity change with temperature, and using liquids available three centuries ago, like ethanol. That approach has a chance of doability in the 1700's.

Post by **Mike Everman** » Sat Oct 25, 2025 11:55 pm

Sorry the site was down. It was being attacked and the forum needed upgrading. I know at least one person noticed!

Alex Eng · Post by **Alex Eng** » Sat Nov 22, 2025 9:12 am

Well..., perhaps that person was me, since I even sent two emails informing Mike that the forum was down.

As the administrator of a similar forum program (but on automotive engine repair, if interesting - https://ab-engine.com/phpbb/), I'm well acquainted with such attacks and their consequences. Sometimes it's very difficult to get the forum up and running again after such an attack. I even had a case when spammers corrupted user registration data, forcing many to re-register.

So, many thanks to Mike for fixing everything without any losses!

Post by **Mike Everman** » Fri Feb 27, 2026 2:00 pm

Lest we forget, the 2005 International Pulsejet meet, back in the days we were building and posting daily. I remember getting up in the middle of the night just to see what Bruno, Viv, Nick, Tufty or Graham across the pond had to say!
http://www.youtube.com/watch?v=8x-9MFEpl3U

Mark · Post by **Mark** » Mon Mar 02, 2026 12:45 am

tufty · Post by **tufty** » Tue Mar 03, 2026 7:06 pm

Lots of fun stuff back then.

Hell, I've had a browser tab open on this site for over 20 years.

www.pulse-jets.com

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