Search found 10862 matches

by Mark
Tue Jan 31, 2023 10:02 pm
Forum: Tools and Construction
Topic: Odds and ends
Replies: 1799
Views: 711646

Re: Odds and ends

I made a simple Stirling jumper that was fun to finally get working.
https://youtu.be/A-ADjLDZw8k
https://youtu.be/L78ogEqdQVA
by Mark
Sun Aug 21, 2022 5:42 pm
Forum: Off topic forum
Topic: youtube
Replies: 1483
Views: 462540

Re: youtube

World smallest ? PopPop boat made in Japan
https://youtu.be/P-Hyasudr2M
by Mark
Thu Jun 23, 2022 11:16 pm
Forum: Tools and Construction
Topic: Odds and ends
Replies: 1799
Views: 711646

Re: Odds and ends

Kind of an interesting shape with no seams.
https://gourmetkitchenworks.com/collect ... lly-500-ml

It's the same volume as this Erlenmeyer Flask jam jar jet I ran.
https://youtu.be/mDrdUy-LWHY
by Mark
Wed Jun 01, 2022 2:04 pm
Forum: Off topic forum
Topic: youtube
Replies: 1483
Views: 462540

Re: youtube

by Mark
Tue May 31, 2022 10:44 pm
Forum: Off topic forum
Topic: youtube
Replies: 1483
Views: 462540

Re: youtube

Pop-Pop Boats Are Weirder Than You Think
https://youtu.be/3AXupc7oE-g
by Mark
Tue May 17, 2022 2:03 pm
Forum: Off topic forum
Topic: youtube
Replies: 1483
Views: 462540

Re: youtube

Warbling Whistles Are Weird
https://youtu.be/O_-2Vo-f1AU
by Mark
Tue May 10, 2022 10:25 pm
Forum: Tools and Construction
Topic: Odds and ends
Replies: 1799
Views: 711646

Re: Odds and ends

An odd thing I tried to play ...
Rudimentary Thermoacoustic Walking Cane Flute
https://youtu.be/v22bJsGKOF4
by Mark
Tue May 03, 2022 2:00 am
Forum: Tools and Construction
Topic: Odds and ends
Replies: 1799
Views: 711646

Re: Odds and ends

First Attempt of a Springbot Free Piston Stirling Engine
https://youtu.be/oLc2mjLKV2c
https://youtu.be/Tgrim7z7A2k
by Mark
Fri Apr 22, 2022 3:44 am
Forum: Tools and Construction
Topic: Odds and ends
Replies: 1799
Views: 711646

Re: Odds and ends

These are 6 mm borosilicate test tubes oscillating in an 8 x 6 mm quartz tube, a vertical test. Funny by adjusting the freedom of the stroke with the silicone rubber band you can hold the engine in yor hand and it's impervious to motion and yet most times it likes a solid table surface to resonate o...
by Mark
Tue Apr 19, 2022 4:30 am
Forum: Tools and Construction
Topic: Odds and ends
Replies: 1799
Views: 711646

Re: Odds and ends

Got it to run for about three minutes but only started the camera after deciding it was going to sustain. Still I have to wonder why it decided to stop after 3 minutes .
1.3 Gram Test Tube Piston with Longer Run Time
https://youtu.be/GRZMBTAVbso
by Mark
Sun Apr 17, 2022 7:51 pm
Forum: Tools and Construction
Topic: Odds and ends
Replies: 1799
Views: 711646

Re: Odds and ends

Here's a smaller version I was fiddling with, a little fussy sustaining but just started toying with it so maybe I can get it to do better later on.
Testing a Tiny Culture Test Tube Stirling Free Piston Engine
https://youtu.be/LhLkJsuyXCw
https://youtu.be/trCiuU69YcE
by Mark
Sun Apr 17, 2022 12:59 am
Forum: Tools and Construction
Topic: Odds and ends
Replies: 1799
Views: 711646

Re: Odds and ends

I liked this one I made, just two test tubes inside a larger tube.
https://youtu.be/EosXGSEvkuU
by Mark
Thu Apr 14, 2022 8:05 pm
Forum: Tools and Construction
Topic: Odds and ends
Replies: 1799
Views: 711646

Re: Odds and ends

A few simple hot air engine variations toyed with recently ...
https://youtu.be/7LKlVNzUqts
https://youtu.be/kXn90VcrEt0
https://youtu.be/oDmC-wECzMw
by Mark
Mon Mar 28, 2022 3:46 pm
Forum: Off topic forum
Topic: youtube
Replies: 1483
Views: 462540

Re: youtube

"So I have to warn you that this is extremely addictive stuff, so be very careful if you try to mess around with a Stirling engine."
The Stirling Engine Project
https://youtu.be/eZUteOLEKz8
by Mark
Sat Mar 26, 2022 9:05 pm
Forum: Tools and Construction
Topic: Odds and ends
Replies: 1799
Views: 711646

Re: Odds and ends

Thermoacoustic Fan
https://youtu.be/LP7HbR-R-X4