Search found 8 matches

by Coco Mbella
Mon May 13, 2013 6:19 pm
Forum: Stirling and "Hot Air" Engine Forum
Topic: DIY Epoxy Kitt graphite coated piston
Replies: 9
Views: 9183

Re: DIY Epoxy Kitt graphite coated piston

I found (a few yrs back) a piston designed by someone called Dan Haigh, its cast in a bit of copper tube, and made with JB Weld which is ok to 600*F. He coated the inside of the tube with grease to aid removal, I wonder if you mixed graphite powder in the grease (good thick layer). A bit of metal w...
by Coco Mbella
Mon Apr 08, 2013 11:02 pm
Forum: Stirling and "Hot Air" Engine Forum
Topic: DIY Epoxy Kitt graphite coated piston
Replies: 9
Views: 9183

Re: DIY Epoxy Kitt graphite coated piston

Chriske wrote:Hi,

I have lots of experience using resin(molding).
Maybe, just maybe resin will do the job to. I'll try it one of these days...!

Thanks,

Chris
I think It will work out all right with resin. :wink:
by Coco Mbella
Mon Apr 08, 2013 7:56 am
Forum: Stirling and "Hot Air" Engine Forum
Topic: performance on different materials for displacer
Replies: 12
Views: 11482

Re: performance on different materials for displacer

hi orgkill, i use wet floral foam, aluminium foil case and steel wool for my LTD Stiling Engine displacers. wet floral foam is lightweight, easy to machine and is able to resist higher temperatures than styrofoam (approximately 140 °C). currently i am building a new engine and i will try to replace ...
by Coco Mbella
Sun Apr 07, 2013 3:08 am
Forum: Stirling and "Hot Air" Engine Forum
Topic: DIY Epoxy Kitt graphite coated piston
Replies: 9
Views: 9183

Re: DIY Epoxy Kitt graphite coated piston

Hi Hopper, I am actually working on a DIY Stirling Engine tutorial, but the production process of the piston is more or less the same as that of bladeattilas. http://www.youtube.com/watch?v=rxna7W8yhVE The only difference is i use precision mechanics oil instead of vegetable oil and reduced some of ...
by Coco Mbella
Sun Apr 07, 2013 1:44 am
Forum: Stirling and "Hot Air" Engine Forum
Topic: DIY Epoxy Kitt graphite coated piston
Replies: 9
Views: 9183

DIY Epoxy Kitt graphite coated piston

Hi there, After a lot of experimenting with different materials for a Stirling Engine power piston, this is the best result i came up with. A piston made out of Epoxy Kitt and coated with griphite. The piston is really light, airtight and needs no lubricaton due to the graphite. Furthermore, the Epo...
by Coco Mbella
Sat Mar 09, 2013 9:19 am
Forum: Stirling and "Hot Air" Engine Forum
Topic: Philips Stirling Bus and Boat Video!! (and other stuff)
Replies: 7
Views: 5337

Re: Philips Stirling Bus and Boat Video!! (and other stuff)

i think this videos you might also find interesting :razz: http://www.youtube.com/watch?v=duuk_r--lqU http://www.youtube.com/watch?v=GqIapDKtvzc&list=FLSDNAdDqo5foixTqcVSnJUg&index=17 http://www.youtube.com/watch?v=GFfMruoRMGo&list=FLSDNAdDqo5foixTqcVSnJUg&index=16 http://www.youtube...
by Coco Mbella
Sat Dec 22, 2012 4:02 am
Forum: Stirling and "Hot Air" Engine Forum
Topic: New Members PLEASE read! - OR, having problems registering, being deactivated
Replies: 511
Views: 497715

Re: "Hi" We are new here!

Hi, i am a Renewable Energy Technology student from germany and very interested in stirling engines. In my spare time i built Stirling Engines out of household items.
Coco