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Passenger engine fitted with Dodds wedge motion
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Passenger engine fitted with Dodds wedge motion
Passenger engine fitted with Dodds wedge motion, longitudinal section Date: 1841
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Media ID 5081279
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1841 Dodds Gear Loco Locomotive Locomotives Shepherd Todd Valve
EDITORS COMMENTS
1. Title: A Vision of Progress: Passenger Engine Fitted with Dodds Wedge Motion, 1841 (Longitudinal Section) 2. Description: This print showcases a passenger engine from the early days of rail transport, boasting an innovative design by the brilliant mind of Thomas Dodds. The Dodds wedge motion, a significant improvement in steam engine technology, is prominently displayed in this longitudinal section view. 3. Background: The year is 1841, and the world is on the cusp of a technological revolution. The steam locomotive, a marvel of engineering, is transforming the way people and goods are transported. In this image, we see a passenger engine, outfitted with the groundbreaking Dodds wedge motion, poised to take rail travel to new heights. 4. Innovation: Thomas Dodds, a talented engineer, sought to address the inefficiencies of the traditional slide valve system. His solution was the Dodds wedge motion, which employed a series of wedge-shaped valves that opened and closed in a more efficient manner. This design allowed for a more consistent steam supply to the engine cylinders, resulting in increased power and improved fuel efficiency. 5. Design Elements: The print reveals the intricate details of the engine's design. The Dodds wedge motion is evident in the arrangement of the valves and pistons, while the gear train and connecting rods are also clearly visible. The boiler, with its large firebox and chimney, dominates the upper portion of the print, emphasizing the importance of heat and steam in powering the engine. 6. Legacy: This passenger engine, fitted with the Dodds wedge motion, represents a pivotal moment in the history of rail transport. Its innovative design paved the way for more efficient and powerful steam engines, ultimately shaping the future of locomotive technology. As we marvel at this print, we are reminded of the ingenuity and determination of the engineers who brought the steam age to life.
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