At Last The Completed Beam Engine Now Complete with Radiator

Discussion on Stirling or "hot air" engines (all types)
Trevor
Posts: 169
Joined: Sun Nov 06, 2016 4:07 am

At Last The Completed Beam Engine Now Complete with Radiator

Postby Trevor » Mon Jan 30, 2017 11:55 pm

I now have it all painted and the radiator fitted onto the bottom with a small fan.
It does not take much heat to get this model up and going with the total amps being .45A (450ma) at 3 volt = 1.35Watt
At ambient air temp of 32 Degrees C the engine stabilized at 45 Degrees C with the radiator making a big difference ie 45C into radiator and 34C out to the cooler.
I am quite satisfied with the results and another model ready for display - Trevor posting.php?mode=post&f=1#
Here are some pics of the finished model.
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thanh-cuibap
Posts: 147
Joined: Tue Sep 06, 2016 8:09 am
Location: Việt Nam

Re: At Last The Completed Beam Engine Now Complete with Radiator

Postby thanh-cuibap » Tue Jan 31, 2017 4:43 am

Hi Trevor !
I like it..... if you donate it to me..hehehehhehehehe ...very nice !!

Ian S C
Posts: 1970
Joined: Thu Dec 02, 2010 5:15 am
Location: New Zealand

Re: At Last The Completed Beam Engine Now Complete with Radiator

Postby Ian S C » Tue Jan 31, 2017 5:12 am

Trevor, that looks a pretty flash radiator you have there, and from what you say it works as well as it looks.
Ian S C

Trevor
Posts: 169
Joined: Sun Nov 06, 2016 4:07 am

Re: At Last The Completed Beam Engine Now Complete with Radiator

Postby Trevor » Wed Feb 01, 2017 3:04 am

Thanh - You can't have it heeheehee it's for me and me.
Ian the radiator is an oil cooler from a small motor bike. I think I will be using these in my next two models for display but may have to use them in an upright position. Time will tell. One last thing Ian I am going to try and make a replica of Robert Sterling's model that I have seen in Book No1 of James G. Rizzo, however, It will not be exact but a look alike as I am not good with wood work and certainly can't do castings.
Trev

cbstirling2
Posts: 113
Joined: Sat Dec 17, 2016 9:35 pm

Re: At Last The Completed Beam Engine Now Complete with Radiator

Postby cbstirling2 » Sun Feb 05, 2017 6:59 am

Very cool. What does the heat exchanger look like in the top of the displacer cylinder?

To make it more eco I wonder if you rotated the radiator and ducted the wind (a preheater) into a firebox to burn wood... I bet it would work well. Carbon neutral. Also it would use the exhaust heat to feed fire warmed air.

Here, I have below freezing temps to deal with but plenty of wood.
CBStirling2

Trevor
Posts: 169
Joined: Sun Nov 06, 2016 4:07 am

Re: At Last The Completed Beam Engine Now Complete with Radiator

Postby Trevor » Mon Feb 06, 2017 12:22 am

Hi CB
The top of the displacer cylinder is immersed in cooling liquid. The small square box you see on the top is the air/diaphragm pump which pumps the water through the radiator on the bottom. The water return is placed at the bottom of the tank.
I like your thinking re the air intake idea from a fire box. I am going to make Sterling engine for my pig as a gimmick when we have barbecue and it seems feasible to use the intake draw for the radiator. - GOOD IDEA -
Trev


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