Search found 308 matches

by Aviator168
Wed Mar 09, 2011 12:29 pm
Forum: Stirling and "Hot Air" Engine Forum
Topic: The stirling engine that powered a car.
Replies: 8
Views: 6999

Re: The stirling engine that powered a car.

Large number of photo regarding this engine. Just go down to the middle of the page.

http://grcimagenet.grc.nasa.gov/share/s ... &TXTTITLE=
by Aviator168
Tue Mar 08, 2011 2:18 pm
Forum: Stirling and "Hot Air" Engine Forum
Topic: Plans for this one? V-cylinder type from GreenPowerScience
Replies: 7
Views: 7449

Re: Plans for this one? V-cylinder type from GreenPowerScie

Whether your design turns into a running engine or not depends on if you have access to good machine tools. TriggerHappy. I think its a gamma, cos it has a displacer rather than 2 power pistons It is an alpha. He has another video that shows inside of the engine and you can see that it is an alpha. ...
by Aviator168
Tue Mar 08, 2011 9:31 am
Forum: Stirling and "Hot Air" Engine Forum
Topic: The stirling engine that powered a car.
Replies: 8
Views: 6999

Re: The stirling engine that powered a car.

http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19880002196_1988002196.pdf Here's the MOD II research paper. I had posted this link in our "links" area, but I have not seen the popular science report before. I wish that I could have driven that car. Would have been fun. Thanks. That'...
by Aviator168
Mon Mar 07, 2011 8:11 pm
Forum: Stirling and "Hot Air" Engine Forum
Topic: The stirling engine that powered a car.
Replies: 8
Views: 6999

Re: The stirling engine that powered a car.

They even put that engine in a Dodge too.
Image
by Aviator168
Mon Mar 07, 2011 7:38 pm
Forum: Stirling and "Hot Air" Engine Forum
Topic: The stirling engine that powered a car.
Replies: 8
Views: 6999

Re: The stirling engine that powered a car.

NASA's Stirling engine prototype. Amazing. The larger engine delivers 170hp while the smaller one still put out a respectable 84hp. If they weren't filled with hydrogen, we all be driving Stirling cars now.

http://green.autoblog.com/photos/nasa-a ... s/#2132038
by Aviator168
Mon Mar 07, 2011 2:14 pm
Forum: Stirling and "Hot Air" Engine Forum
Topic: The stirling engine that powered a car.
Replies: 8
Views: 6999

Re: The stirling engine that powered a car.

Ah. Got it. It is double acting alpha type and each piston is 90 degree out of phase with the next. What through me off is that they use a separate drum (looks like a cylinder) to house the regenerator and is being used as the cold exchanger.
by Aviator168
Mon Mar 07, 2011 11:39 am
Forum: Stirling and "Hot Air" Engine Forum
Topic: The stirling engine that powered a car.
Replies: 8
Views: 6999

The stirling engine that powered a car.

http://books.google.com/books?id=RN4_jLbVO3YC&pg=PA50&lpg=PA50&dq=mod+ii+stirling+auto&source=bl&ots=yKipWoT40f&sig=nqGb5aFu6I8fg1E9jv520SE8H24&hl=en&ei=1CN1TaCtK9G1twfCtK3tDg&sa=X&oi=book_result&ct=result&resnum=1&ved=0CBQQ6AEwAA#v=onepage&q&a...
by Aviator168
Sat Mar 05, 2011 9:56 am
Forum: Stirling and "Hot Air" Engine Forum
Topic: new idea for a ltd engine piston
Replies: 10
Views: 7838

Re: new idea for a ltd engine piston

jimlarsen wrote:Here is a video of a Stirling engine with a bellows drive.

http://www.youtube.com/watch?v=BvxPJ2ypjP8
That must be the piston with the least friction.
by Aviator168
Fri Mar 04, 2011 9:32 am
Forum: Stirling and "Hot Air" Engine Forum
Topic: Where can I get 1hp to 2hp stirling engine?
Replies: 18
Views: 27739

Re: Where can I get 1hp to 2hp stirling engine?

Carnot wrote:This link has a 9kW Stirling, but it is designed for solar-power, and probably weighs a lot.

http://www.cleanergyindustries.com/index.html

I saw the motor in 2002 at the Hannover Messe (Trade Fair). A picture from the brochure
is attached.

Does anyone know about the size of the cylinders?
by Aviator168
Thu Mar 03, 2011 12:40 pm
Forum: Stirling and "Hot Air" Engine Forum
Topic: Mug cup for displacer
Replies: 4
Views: 4787

Re: Mug cup for displacer

I'm not sure, is your mug enamalled steel? it's not unusual to use stainless mugs, and similar containers. A large test tube, or Pyrex beaker would be ok, but a porcilane mug thinned down may not stand the shock of heating and cooling, and moving back and forth at great speed. Ian S C I think he is...
by Aviator168
Thu Mar 03, 2011 7:29 am
Forum: Stirling and "Hot Air" Engine Forum
Topic: Tubing for cylinders and pistons
Replies: 10
Views: 7243

Re: Tubing for cylinders and pistons

Check this out. This implementation can pressurize the gas very high without pressurizing the system. It is a bit difficult to implement though.

http://www.youtube.com/watch?v=YvtekHPzbUw
by Aviator168
Wed Mar 02, 2011 6:42 pm
Forum: Stirling and "Hot Air" Engine Forum
Topic: Tubing for cylinders and pistons
Replies: 10
Views: 7243

Re: Tubing for cylinders and pistons

The thought of why stirling engines never reach the power of ICs has been bugging me for a long time. After all, ICs do running on 1 bar (except turbo/super charge). ICs has one big advantage that ECs can never dream of, in stirling term, the area of heat transfer surface is infinite. In order to in...
by Aviator168
Mon Feb 28, 2011 12:30 pm
Forum: Stirling and "Hot Air" Engine Forum
Topic: Tubing for cylinders and pistons
Replies: 10
Views: 7243

Re: Tubing for cylinders and pistons

I did some calculations on the amount of heat that can be transferred into a system via a certain area size/thinness on certain material a while back. It should give you a good estimate of the max power of an external engine. I have misplaced the notes, and need to re-work it again. Contact area, th...
by Aviator168
Sat Feb 26, 2011 5:56 am
Forum: Stirling and "Hot Air" Engine Forum
Topic: Tubing for cylinders and pistons
Replies: 10
Views: 7243

Re: Tubing for cylinders and pistons

Yes. You are correct. But the page linked to is for 4130 ALLOY STEEL tubes. Don't know much how this type works as engine parts.