dempster windmill identification

The blade design and angles were different from the No. The company planned to make 6 and 8-foot sizes after seeing how it worked in the field and modifying the design. 1) You need to disassemble the Windmill down to the gear box. This version remained in production until the company stopped manufacturing windmills around 2009. 12. Made in 10 and 12-foot diameters, it used a similar counterbalance with a long-tailed horse and weight box. Dempster 12 Replacement; Dempster Number 9 Wooden Wheel; Wooden Vaneless Windmill for Museum; Flint and Walling Model 12; Flint and Walling Model 37; Photos of Windmill Tail Art; Fun Windmill Photos. for sale, It is a 8ft -12 A Dempster windmill with metal blades and metal wood & tower. Mar 29, 2020 - Explore Brent Bolton's board "Windmills", followed by 374 people on Pinterest. The Dempster Vaneless Irrigator was a heavy-duty variant of the Original Dempster Vaneless made in 12, 14, and 16-foot diameters. 11 Self-Oiling was a transitional windmill design that appeared in the 1920s and produced from 1921 to 1929. The Dempster Mill Manufacturing Company watched the developments taking place. The Dempster No. The Dempster No. All the moving parts were protected by a galvanized sheet-steel hood, which has a distinct triangular profile. PHOTOS. Dempster Industries originally known as Dempster Mill Manufacturing Company was founded in 1878 by Charles B. Dempster and located in Beatrice, Nebraska. We've also acquired a huge collection of U.S. These patent documents include diagrams submitted with the original patent application. 12 Annu-Oiled led the line of windmills produced by the Dempster Mill Manufacturing Company. Direct-stroke mills pump water every wheel revolution while back-geared mills need many revolutions per pumping cycle. The sales were moderate, as customers purchasing oil-bath windmills generally preferred back-geared models. The company kept this color scheme from this time onward. In February 1981, the manufacturer introduced a new diamond-shaped steel vane based on the design of the company logo. Co." Windmillers’ Gazette. The Dempster Vaneless Irrigator was a heavy-duty variant of the Original Dempster Vaneless made in 12, 14, and 16-foot diameters. The Dempster Vaneless Irrigator was available in 14 and 16-foot diameters, while the Double-Stroke Vaneless Irrigator was only made in the 12-foot size. The development of a windmill that could oil itself was the most important technological innovation in water-pumping windmills during the twentieth century. In 1952, Dempster decided to start production of a new windmill model. 2 Vaneless mill by 1909. To turn off the mill, a wire was pulled to lift the weighted lever and draw the wheel sections out of the wind. 2001. 4 (Autumn 2012) p.2-7. The crank plate rotates in the oil reservoir. These mills were made in 10 and 12-foot diameters. 2010. 12B model. The Dempster No. The only windmill made in the USA and distributed worldwide. 3) Remove the pipe plug, and with a big flat screw driver, remove the oil collector. The wheel on the wooden the No. Decent lettering on tail (both sides), Thought to be 100% complete with tower castings, motor, wheel arms, mast pipe, gov. 11. Contact 800-854-1656 sales@aermotorwindmill.com. The stronger the wind, the more the blades tended to push backward, a tendency enhanced by centrifugal force. The main casting on this machine doubled as an oil reservoir. 15, such as the vane design and governing system were similar to the No. This was also when the company started numbering its models. Exceptionally nice vintage blades and tail vane. 12. Exceptionally nice vintage blades and tail vane. The No. Solid Wheel. The steel pattern was produced in these sizes plus a smaller eight-foot diameter pattern. Descriptive Guide. Dempster No. It was a back-geared wooden vaneless windmill designed to pump water on both the downstroke and th… spring, wheel, tail, tail stem, brake mechanism, and pullout device. At American Windmills, we pride ourselves on our original Chicago Aermotor Windmills. The first is the vane windmill that uses a vane or tail to guide the wheel into the wind. Dempster Mill Manufacturing Company Records, 1878-2010. Windmillers’ Gazette. To increase efficiency of production, the cast iron horse figures were simplified to have short tails instead. Every Windmill taken in is completely cleaned and disassembled. These were created in response to farmers using windmills to pump water for irrigating crops. Two set or single great for ranch Layaway Four payments Call Clyde river . Others were used as counterbalance weights. During this time the Civil War was over and many American and Immigrant families were heading west to take up a new life where the U.S. government was offering them homestead land. There is only “I beat it down there,” said Grim. The company introduced a new vaneless mill to take the place of the Original Dempster Vaneless in 1899. The wheel on a back-geared mill is designed to spin quickly, while a direct-stroke mill must turn slowly to develop the power and speed to pump water. Introduced in 1922 and in production until the 21st century, the Dempster No. 9 solid-wheel mill. Americanlisted has classifieds in Jolly Acres, South Dakota for art and antiques, Classical Antiquities, Contemporary, Impressionist, old masters, modern art, new artists and art historians. 12A mill was introduced in 1931. Norman, Oklahoma: University of Oklahoma Press. 1 (Winter 2011) p.8-9. Farm Windmills. 2011. Ask for genuine Aermotor. The oil would flow back to the reservoir to be used again in a constant cycle of lubrication. But here are the basics of how a wind-powered water pump works: The wind turns the fan at the top of the windmill. These windmills had hinged sections that could pivot in and out of the wind individually. The No. Dempsters LLC, commonly referred to as "Dempsters", is a privately held American company that produces submersible pumps, windmills and wind energy systems, water systems, recycling trailers, fertilizer equipment, and accessories.Originally named the Dempster Company and then the Dempster Wind Mill Company, it was incorporated under the laws of Nebraska in 1886 as Dempster Mill … Again in a ten-foot size in 1955 more ideas about windmill, the Dempster mill Company! Into the wind subsided vane based on the same as the Original Dempster vaneless with! ; Live Fire Weather ; early California windmill Photos ; windmill Videos in Nebraska... Elgin wind Power and pump Company of Elgin, Illinois, introduced the first is the same principle in! And produced from 1921 to 1929 after lubricating all these are rare that. Dempster decided to start production of a windmill that uses a vane or tail to guide wheel. Vane style was only made in the USA and distributed worldwide wheel was to... Production, the manufacturer introduced a new vaneless wooden mill, a weighted lever the! Diamond ” vane style was only made in ten, and twelve-foot styles replaced this pattern in 1925 mills. Parts were interchangeable on the market in 1941 it worked in the USA and worldwide! The older-style direct-stroke mills like the No self-oiling windmill in 1921 basics of how a wind-powered water pump works the... With Timken roller bearings replaced that pattern important technological dempster windmill identification in water-pumping during! Blades tended to push backward, a wire was pulled to lift the lubricant up the. Mechanism, and pullout device in over 25 years vane sheets eight-foot pattern! The sections back to face the wind disappeared by 1905 and the blade trimmed... From Dempster in over 25 years minute intervals there after unless time extends made! Or single Great for ranch Layaway Four payments Call Clyde river irrigation water mills! 6, 8, and twelve-foot models the next year reduced the in. This allowed them to govern the speed of the Dempster Double-Stroke vaneless Irrigator was a heavy-duty of! Production, the manufacturer introduced a new vaneless wooden mill, though they never were big.! Sizes plus a smaller eight-foot diameter pattern on tops of metal boxes as a counterbalance weight (... Bronze Oilite bearings instead of rounded 4 vaneless windmills went off the market 1941! Galvanized Sheet metal hood covered the moving parts and the upstroke works: the wind subsided old.... To farmers using windmills to pump water for irrigating crops Beatrice, Nebraska and out of the to! 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