Heinrich Motor hot air engine

Discussion on Stirling or "hot air" engines (all types)
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evildrome
Posts: 2
Joined: Fri Dec 08, 2017 5:48 am

Heinrich Motor hot air engine

Post by evildrome » Fri Dec 08, 2017 5:51 am

Hi All,

I have been given this very nice (what I believe to be) cast iron hot air engine.

It turns over very freely despite having been in a cupboard untouched for 25+ years.

Can anyone tell me more about it?

The D.R.P. with the number is a German patent number I think.

Cheers,

Wilson.
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evildrome
Posts: 2
Joined: Fri Dec 08, 2017 5:48 am

Re: Heinrich Motor hot air engine

Post by evildrome » Fri Dec 08, 2017 8:39 am

UPDATE:

Apparently its not a HEINRICH its a HEINRICI


Ian S C
Posts: 2137
Joined: Thu Dec 02, 2010 5:15 am
Location: New Zealand

Re: Heinrich Motor hot air engine

Post by Ian S C » Sat Dec 09, 2017 4:08 am

evildrome, can't tell you anything about your motor, but a friend has one similar that was made under licence in New Zealand.
Ian S C
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cbstirling2
Posts: 143
Joined: Sat Dec 17, 2016 9:35 pm

Re: Heinrich Motor hot air engine

Post by cbstirling2 » Sat Dec 09, 2017 9:58 pm

Xmas arrived early! So much want one...
CBStirling2

Ian S C
Posts: 2137
Joined: Thu Dec 02, 2010 5:15 am
Location: New Zealand

Re: Heinrich Motor hot air engine

Post by Ian S C » Sun Dec 10, 2017 2:59 am

What do you want? A Honda Step Through? Most of this part of the museum is for motor bikes, none with hot air engines, one is a diesel. These little motors were used for pumping water, mainly in rural locations where there was no electricity connection.
Ian S C

cbstirling2
Posts: 143
Joined: Sat Dec 17, 2016 9:35 pm

Re: Heinrich Motor hot air engine

Post by cbstirling2 » Mon Dec 11, 2017 8:48 am

Ian, of course I want a full size vintage hor air engine!
I like to go to old tractor and steam shows.
I have yet to see a full size water pumping hot air engine in the last 30 years. Very rare in these parts.
I do remember my father showing me one at a show when I was young. It's a vague memory.
CBStirling2

cbstirling2
Posts: 143
Joined: Sat Dec 17, 2016 9:35 pm

Re: Heinrich Motor hot air engine

Post by cbstirling2 » Mon Dec 11, 2017 9:03 am

Wilson, have you tried running it?
You'll want to use a light oil - sewing machine oil.
Typically those engines have two flywheels. Hopefully, yours doesn't require it.
From what I've read a Bunsen burner should be enough to make it go.
To get more power try ice water for the coolant. That could help as you dial it in.
CBStirling2

Ian S C
Posts: 2137
Joined: Thu Dec 02, 2010 5:15 am
Location: New Zealand

Re: Heinrich Motor hot air engine

Post by Ian S C » Wed Dec 13, 2017 3:44 am

It looks as though your motor might need a bit of work to get it up and running, if you don't have it , you might have to make a second flywheel for it, you could make up one from steel, it doesn't have to be cast iron.
Ian S C

cbstirling2
Posts: 143
Joined: Sat Dec 17, 2016 9:35 pm

Re: Heinrich Motor hot air engine

Post by cbstirling2 » Wed Dec 13, 2017 11:00 pm

Flywheels are needed to supply energy for the complete rotation especially under load.
For no load, I doubt the engine requires both flywheels.
I recommend just trying to get it running as is.
Oil everything with marvel mystery oil and hook up the higher port to a garden hose and heat it up and see what happens.
I've seen too many piles of parts because people think they have to dissemble everything.
CBStirling2

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