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Amberg Gasmaschinenfabrik - Stirling Engine

Davide L.

Registered
Last Subscription Date
11/15/2013
Hello everyone,
just found this interesting engine. I have to say I'm a steam engine guy not a hot air engine collector but since I had the opportunity to buy this engine I decided to add it to my collection and start the restoration. Can anyone help me with this task? I have very little information on the web about this german hot air engine factory.









Thanks for any help regarding this interesting engine!

Davide

P.s. sorry, I don't know why they were loaded upside down! I tried to load again but still doesn't work.
 

Brent Rowell

Registered
Last Subscription Date
08/14/2016
Re: Amberg Gasmaschinenfabrik - stirling engine

Hello Davide,
These engines were made to pump air into a large cylindrical carburetor of sorts containing gasoline. A gas (gasoline vapor?) was produced which was burned for home and workshop lighting (illuminating gas). The piston and slide valve on the side of the engine opposite the firebox is the air pump assembly. Yours looks very complete although it has been repainted at some point. Restoration may not be difficult, but if you have only worked on steam engines, there's not enough space here in the forum to guide you through that process. Gerd Maier in Germany wrote a booklet on these engines which is unfortunately now out-of-print. He also sometimes responds to these posts on Smokstak. Can you also post a photo of the nameplate?
 

Davide L.

Registered
Last Subscription Date
11/15/2013
Re: Amberg Gasmaschinenfabrik - stirling engine

Hi Brent, thank you very much for your message! The nameplate says: gasmachinenfabrik Amberg - Bayern. I will take a photo for you tomorrow morning.

Soo this engine where used to create condition to use gas to ligthing a house or workshop!! That's very interesting!!!
Thank you very much for your help!!

Do you have the title of the book written by Mr Maier? Maybe I could find one on ebay!! :)

Thanks, kind regards

Davide:wave:
 

Brent Rowell

Registered
Last Subscription Date
08/14/2016
Re: Amberg Gasmaschinenfabrik - stirling engine

Davide,
The photos posted above were from a hot air engine exhibition by Maier and another collector in Germany and are posted on this site:

http://www.luftmuseum.de/ausstellun...ws]=42&cHash=e4a6320c4e84fee011e90abdb86e0a1c

And while the book is still listed on Maier's website, it is no longer available, although he may republish it later in some other format. The booklet does provide a lot of historical material and specifications of the engines but won't be of much help with restoration.
 

Davide L.

Registered
Last Subscription Date
11/15/2013
Re: Amberg Gasmaschinenfabrik - stirling engine

Hello everyone,
finally I had the chance to fire the hot air engine after a long time of rest! I would say it runs like a clock but I need some expert opinion about it.

enjoy the video!:D


https://www.youtube.com/watch?v=SrrtILiO740

All the best

Davide:wave:
 

QuickJ

Registered
Age
64
Re: Amberg Gasmaschinenfabrik - stirling engine

Davide,
I am not an expert, but it looks like it runs very nice.
Thank You for the Video

Jim in Minnesota
 

Brent Rowell

Registered
Last Subscription Date
08/14/2016
Re: Amberg Gasmaschinenfabrik - stirling engine

Davide,
Looks like it runs great--it must be in fine mechanical condition. What did you use for a burner and fuel? Thanks for posting.
 

Davide L.

Registered
Last Subscription Date
11/15/2013
Re: Amberg Gasmaschinenfabrik - stirling engine

Hi Brent,
thank you for your post. I have used an alcohol burner for now but I would like to make a gas burner. Since I think it will be quite complecated to reproduce the original cilindrical carburetor for gas lighting what should I do for the refrigeration of the cilinder? Just a water tank conacted to the engine or it would be better to ad also a water pump for circulation?
Any idea?
thanks, kind regards

Davide:wave:
 

robinson456

Registered
Re: Amberg Gasmaschinenfabrik - stirling engine

What a great looking and running engine for your first engine. Welcome to the Hot Air Club.
 

Brent Rowell

Registered
Last Subscription Date
08/14/2016
Re: Amberg Gasmaschinenfabrik - stirling engine

Davide,
I sent you a private message regarding cooling--did you receive it? You can easily connect a small cylindrical water tank of about 12-20 liters to the engine's inlet and outlet for passive water cooling. A pipe from near the top of the tank connects to the top (water inlet) of the engine while a pipe leads from the outlet on the side of the engine to the bottom of the cooling tank.
 

adventurer

Sponsor
Last Subscription Date
07/07/2019
Re: Amberg Gasmaschinenfabrik - stirling engine

David,
Do you still have this engine? It is a neat engine. Please call me if you still have it.
Thanks,
Jeff 806-441-5502
 

Davide L.

Registered
Last Subscription Date
11/15/2013
Re: Amberg Gasmaschinenfabrik - stirling engine

Hi Jeff,
sorry for the delay in answering to you but i have been away for a while from smokstak. Yes i still have the amberg hot air engine. :)
I will try to call you this evening.
all the best

Davide:wave:

David,
Do you still have this engine? It is a neat engine. Please call me if you still have it.
Thanks,
Jeff 806-441-5502
 

adventurer

Sponsor
Last Subscription Date
07/07/2019
Re: Amberg Gasmaschinenfabrik - stirling engine

David,
I will be around all week. Feel free to call me anytime or send me your number and I will call you.
Thanks,
Jeff
 

Todor1968

Registered
Re: Amberg Gasmaschinenfabrik - stirling engine

Hello!I have the same machine,with missing part.Please tell me if is possible to give to me any dimensions for this part.Best regards!
 

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Brent Rowell

Registered
Last Subscription Date
08/14/2016
Re: Amberg Gasmaschinenfabrik - stirling engine

There are different sizes of these engines. What is the diameter of your flywheel and the outside diameter of the heated cylinder? I can help if mine is the same.
 

Todor1968

Registered
Re: Amberg Gasmaschinenfabrik - stirling engine

Hello, thank you for the attention! In the pictures you can see the dimensions of the cylinder and the flywheel. I also studied the part I intend to use. If possible, please give me the distance between the two holes of this part.The sizes of the pictures are irrigation, in millimeters.
 

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