Diesel Centrale CPM Exhibit
The Coolspring Power Museum volunteers are embarking on a very exciting project to restore our MAN air-blast diesel engine to operation and to provide an appropriate display area for it. It will be the oldest operating diesel engine in existence. Diesel Centrale CPM, our new display area, will be the home to the MAN engine and several other historic diesel engines.
We need your support to complete this important project.
The MAN is a diesel engine in that it uses air heated by compression in the cylinder to ignite fuel injected directly into the cylinder. Modern diesel engines use "solid injection" where liquid fuel is directly pressurized and sprayed into the cylinder. Before the successful development of solid injection, the MAN and early engines like it used high-pressure air to inject and atomize the fuel. This class of engines became known as "air-blast injection" engines.
The MAN air-blast diesel engine is serial number 185 and was built in Augsburg, Germany, in 1903. It was sold to Siemens and Halske of Hamburg, Germany, to be fitted with a direct current generator. Please read our detailed description of the engine for additional information.
On March 16,1903, it was shipped to the North Sea island of Helgoland where it powered a lift, or elevator, to take passengers from the southeast coastal plain and beach to the higher central part of the island.
The height of this lift was 50 meters. In the photo on the left note the staircase for scale. The MAN and its generator were housed in a building at the base of the lift. It served faithfully until 1928, when Henry Ford purchased it for his museum in Dearborn, Michigan.
It was fortunate that the engine and generator found a new home in Michigan. During World War II, Helgoland was the target of an intense bombing campaign by the British Royal Air Force in April 1945. The lift and much of the surrounding infrastructure were badly damaged or destroyed.
The MAN was proudly displayed at the Henry Ford Museum for many years until it was de-accessioned by the museum. It went through several collections, including a period at the Owls Head Transportation Museum in Rockland, Maine. Then a benevolent donor placed it at Coolspring Power Museum.
Our goal is to bring this historic engine back to running condition for the education and enjoyment of our visitors. In addition refurbishing the engine, we will be constructing a “period correct" building to house this engine. The drawing above shows a concept for the building. In fact, there will be three additional museum-owned engines added later as expansions to the air-blast injection engine exhibit continue.
You can participate in the funding of this project in several ways with your tax-deductible donation! Please consider making a financial contribution to support the MAN project. Visit our Contribute page for more information on financial contributions and to obtain a copy of our Contribution form.
We offer the option to contribute to the MAN engine project via PayPal. Click the Donate button below to begin your donation transaction.
We also offer the option for you to make a contribution via our GoFundMe MAN Project account.
Or, when you make purchases through Amazon please select CPM (AmazonSmile) smile.amazon.com as your charity of choice.
We are also offering you the opportunity to contribute to the project by purchasing donor bricks engraved with your personal message that will become part of the new building. Bricks are available in 4x8-inch format and in 8x8-inch formats with denominations from $100 to $10,000. Please use these links to obtain the printable order form for your choice of brick:
Support the project by purchasing Coolspring Power Museum beverage mugs, hats, and shirts. We have a number of items for sale online through our affiliation with Sew Vivid Designs.
Please visit the Sew Vivid Designs CPM Merchandise Page for information on products and to place orders.
Help make our MAN diesel run by purchasing photos related to this engine. Proceeds from sales of the photos support the MAN engine project. Please see our MAN Photos page for further details.
We thank you for your generous contribution. Please support and follow this exciting project as it develops!
Diesel Centrale CPM Progress Reports
Progress Report - November 2020
The MAN/ABI project is moving forward after the preliminary work has been completed. The site selected for the building will be just north of the water tower on the hill near our Pat's Place and Exley Station exhibits. This location will afford a pleasant approach. The plans and building design are coming along nicely.
The building will take on the appearance of a German power house from the turn of the 20th century. Architectural details will include wide eaves, a gable roof with composite tiles to mimic the German terra cotta tile, large swing doors with big hinges, and arched windows that are narrow and tall. The interior will feature a period ceramic tile floor with a wainscot wall area of tile behind the engines, just as a power house should have. Of course, the building will include brick pavers with the inscriptions of donors, present and future. The exterior is to be brick while the interior is post and beam construction.
The foundation drawings have been submitted to the contractor awaiting insertion in their schedule.
When the building is complete, we will have an exciting, world-class power house exhibit. It will first house our MAN air-blast engine. Next year we will receive a Graz air-blast engine to include in the exhibit. Finally, we will add a Benz engine. Together, these three engines will represent twenty years of Diesel evolution.
The museum is offering for sale a professionally-produced photograph of our MAN engine at Coolspring Power Museum. The photograph is available on our MAN Photos page. Please join us in our enthusiasm for this project, support the project, and follow our progress!
Progress Report - December 2020
We listed the architectural details of the MAN/ABI building in November 2020 report. Our goal is to have the building resemble the appearance of a German power house from the turn of the 20th century.
Here is the latest set of elevation views of the building.
You can see how it has evolved from the earlier concept shown on this
You can see how it has evolved from the earlier concept shown on this page.
The photo above shows what we will be trying to achieve with the post and beam construction, roof trusses, and roof decking. At this point in time we are working to finalize details of the building design before moving on to foundation work.
Progress Report - March 2021
Planning work for the building continues. Our architect refined the details of the building and produced these new drawings.
Note revisions to the front and right-side doors. Also, a round window now adds a touch of visual interest to the right-side gable. It should also introduce some light to the post and beam roof trusses.
Details of the interior also received attention. This view shows the placement of the engine, details of the tile wall treatment, and concepts for installation of lighting fixtures.
Progress Report - April 2021
Be sure to read the April 2021 edition of The Flywheel, our online history series. Paul Harvey tells the story of the museum's Benz Type R engine that will be located in the MAN/ABI building.
Progress Report - May 2021
In the May 2021 edition of The Flywheel, Paul Harvey provides an update on the site preparations and design work for the MAN/ABI building.
Progress Report - June 2021
Take a trip to Germany in the June 2021 edition of The Flywheel. Paul Harvey tells the story of the historic Graz engine that will be part of our air-blast injection engine exhibit.
Progress Report - August 2021
The dream is becoming a reality. Construction of the MAN/ABI building has begun! In the August 2021 edition of The Flywheel, Paul Harvey provides an update on the status of the building project.
Progress Report - September 2021
A 1,250 gallon sump tank has been buried. It will collect the engine cooling water to be recirculated to an overhead tank.
The Graz foundation has been poured. It required 26 1/2 yards of concrete.
These four concrete columns will support a 1,000 gallon overhead tank for cooling water.
The foundation cleaned up and ready for the upcoming work. Fourteen inches of top soil and debris have been removed, and now the floor work begins.
Progress Report - October 2021
The building will have underfloor heating. All the hydronic heating tubing is in place and tested. Now the contractor is awaiting a nice day day to pour the floor. Also, note in the background that the tank for engine cooling water is installed on the concrete columns.
Progress Report - December 2021
Our contractor poured the concrete floor for the building on November 24, 2021. To prevent winter damage, the concrete block wall was filled with concrete. With those tasks done, the area around the building is being back graded.
To the right, this photo also shows the overhead cooling water tank for the building.
Progress Report - January 2022
The ABI Building project now has an official name: Diesel Centrale CPM
This name is inspired by the Diesel Centrale powerhouse in Austria that holds several Graz engines. Diesel Centrale provided electricity for the surrounding industry and operated from the early 1900s until the 1950s. It remains intact.
The floor and foundation for the Diesel Centrale CPM building are now covered and prepared for the winter. Construction activities will resume in the spring.
Progress Report - July 2022
This month the focus of the project shifted to the city of Hof in the Bavarian region of Germany. Mike Murphy, Tom Stockton, and Jonah Close of CPM traveled to Hof to work with Dr. Friedrich Busch and several local engine collectors to document, disassemble, and pack the Graz engine for shipment to Coolspring. Following a final run of the Graz, the crew went to work.
Dr. Busch and the Graz as disassembly begins. Local engine collectors also assisted, shown here working on the top end of the engine.
The lower end of the engine shows the beautiful machine work on the parts as well as the excellent condition of the engine. Removing the cylinder from the engine was just one of the delicate, heavy lifts required for the disassembly and packing operation.
With the cylinder moved aside, the engine base and crankshaft were exposed. Initial packing involved strapping large components to pallets.
The cylinder head and camshaft now on a pallet. A flywheel half was another heavy lift. The forklift proved to be handy for this work.
With most of the engine components boxed or on pallets, it became apparent just how many parts make up the Graz engine. The shipment occupied much of the floor of the truck. After final packaging, the Graz engine will be on its way to its new home in Diesel Centrale CPM.
Progress Report - August 2022
Back in Coolspring, our construction crew has been busy! The walls of the Diesel Centrale CPM building are now up. The next step will be to add roof trusses.
Speaking of roof trusses... The first two trusses for the building arrived on site. Paul Harvey's classic International West Coaster expedited the delivery.
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