Gallery, Projects and General > Neat Stuff
Huxtable Hot Air Engine.
Stilldrillin:
Thanks Dean! Quietly enthusiastic, just sums it up nicely...... :thumbup:
Wes.... Ok...... I can do crappycaddy..... :scratch:
As time and circumstances permit, I'll measure parts, and post here.
David D
sbwhart:
Wow Dave thats runs very very very nice,
As sweat as a nut :)
Stew
Stilldrillin:
Thanks for that Stew! :thumbup:
I can't believe how it keeps on improving after each small mod. :)
Most of my toys deteriorate, as soon as I get 'em...... ::)
David D
Stilldrillin:
I had a very satisfactory day in the workshop, yesterday. Worked on another mod, to try to improve balance.
The displacer has a balance weight....... But the relatively heavy piston hasn't...... It wags the table from 200 rpm! ::)
I made a quadrant from 1/4" thick brass. Then drilled & tapped the side of the bob weight 4BA......
Screwed it into place......
And turned it down to crank throw diameter......
Now it looks like this. Balancing the piston.......
Started up. Much smoother, straight away.
Happy top revs now, are 450 to 500.
Any more than this, it starts to jump around....... Again!
It's never gone over 400 rpm before........ This time it went up to 578rpm!
Almost 50% extra revs, just for improving the balance! :D
David D
steamboatmodel:
--- Quote from: Powder Keg on September 12, 2010, 08:09:19 AM ---That is a great looking little engine!!! Any chance on you making some drawings for it:o) Seeing how you keep tahing it apart:o)
--- End quote ---
He did say he bought the engine
http://www.olds.com.au/stirling/
Regards,
Gerald.
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