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H8103 Stirling Engine Kit 3
-1-
Introduction
Foreword
We are proud to offer the Model H8103 Stirling
Engine Kit
3. When used according to the guide-
lines set forth in this manual, you can expect years
of trouble-free, enjoyable operation and proof of
Grizzly’s commitment to customer satisfaction.
The specifications, drawings, and photographs
illustrated in this manual represent the Model
H8103 when the manual was prepared. However,
owing to Grizzly’s policy of continuous improve
-
ment, changes may be made at any time with no
obligation on the part of Grizzly.
For your convenience, we always keep current
Grizzly manuals available on our website at www.
grizzly.com. Any updates to your machine will be
reflected in these manuals as soon as they are
complete. Visit our site often to check for the lat
-
est updates to this manual!
Contact Info
If you have any comments regarding this manual,
please write to us at the address below:
Grizzly Industrial, Inc.
C
/O Technical Documentation Manager
P.O. Box 2069
Bellingham, WA 98227-2069
Email: manuals@grizzly.com
We stand behind our machines. If you have any
service questions or parts requests, please call or
write us at the location listed below.
Grizzly Industrial, Inc.
1203 Lycoming Mall Circle
Muncy, PA 17756
Phone: (570) 546-9663
Fax: (800) 438-5901
E-Mail: techsupport@grizzly.com
Web Site: http://www.grizzly.com
The Stirling Engine
The Stirling Engine was invented and developed
by Reverend Dr. Robert Stirling and his brother,
James, in the early 1800's.
In the conversion of heat into mechanical work,
Stirling engines can achieve the highest efficiency
of any real heat engine, limited only by the proper-
ties of the working gas, engine materials, and fric
-
tion. These engines can run on any heat source
of sufficient quality, including solar, chemical, and
nuclear.
Compared to an internal combustion engine of a
given power rating, Stirling engines have a higher
initial cost and are usually larger and heavier.
However, in recent years, the advantages of
Stirling engines have become increasingly signifi
-
cant due to the rising concerns over energy and
environmental issues.
The Stirling engine is a closed system and con
-
tains a fixed quantity of gas that, in this kit, is air.
Unlike other types of piston engines that require
outside ventilation, the Stirling engine is sealed, no
gas enters or leaves the engine, and no valves are
required. The Stirling engine cycles through four
main processes—cooling, compression, heating
and expansion. This is accomplished by moving
the enclosed air back and forth between hot and
cold heat exchangers.
The round, horizontal heating exchanger in con
-
tact with the alcohol burner warms the working air
and the smaller cylinder on top cools it. A change
in the enclosed air temperature will cause a cor
-
responding change in gas pressure, while the
motion of the piston causes the enclosed air to be
alternately expanded and compressed.
In summary, the Stirling engine uses the energy
difference between its hot and cold ends to create
a cycle of alternately expanding and contracting a
fixed amount of enclosed gas, and converting the
temperature differences into mechanical power.