Machine Tools


Quorn Universal Tool & Cutter Grinder:  MK-I & MK-II



The Quorn Universal Tool & Cutter Grinder is a superb addition to any work shop needing to sharpen not only lathe tools, but milling cutters, broaching tools, reamers, and even drill bits.

Originally designed by the late Professor D. H. Chaddock in England, this extremely versatile tool handsomely repays the enjoyable hours required to build.

There are two different versions of the Quorn: the MK-I and the MK-II. The MK-I (as seen at left) is the earlier version and is designed for motors with foot or side mounting. This unit was built by Reg Ingold and the mounting table contains a handy drawer to store the accessories and sharpening/grinding wheels.The MK-II is designed for flange or face mounting motors.

The MK-II also has the addition of a guard over the belt. This guard and the two castings that make up the motor mount assembly are the only differences in the casting kits. The other 14 castings are identical in both casting kits.

The book, "Quorn Universal Tool and Cutter Grinder", by Prof. D. H. Chaddock describes not only how to machine and build the Quorn but also includes the many sharpening and grinding operations it performs. Also suggested https://thebloughs.net/metalworking/quorn-tool-and-cutter-grinder/#overview as a very comprehensive and detailed description (with AutoCAD drawings) on building the Quorn Martin Model has accessories to make your Quorn easier to build and more versatile to use.

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Universal Pillar Tool - Standard and/or Long Arm

This tool was designed by George H. Thomas (GHT) and first described in a rather disjointed sequence of articles that appeared in the Model Engineer in the mid-1970's. All of these were later collected into a book titled "Building The Universal Pillar Tool". After being out of print for some years, it was combined with material describing GHT's Universal Dividing Head and printed as "Workshop Techniques". This is not a word-for-word reprint of the previous two books; it also contains additional useful material. The castings and the book are in one place. Applescotty's Scrapbook has a large amount of information, tips, techniques on building this tool. You need to scroll partway down the page to find it.

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JOHN DEERE 1½ HP ENGINE -- 3/10 Scale

Deere & Company purchased the Waterloo Gasoline Engine Company in March of 1918 and for eight years continued to manufacture Waterloo Boy Gasoline engines at Waterloo, Iowa. In 1923 they introduced the John Deere Model "E" gasoline engine. This engine was manufactured in 3 sizes (1-1/2, 3, and 6 Horsepower) until 1946 with very few and very minor changes in the design of the engine.

The smallest and most numerous of the Model "E" is the 1-1/2 HP, with a 3" bore and a 4" stroke. Most of these engines used hit and miss ignition, an igniter, and a low tension magneto ... only a few used a spark plug, battery and coil. The head is a "dry" head with the fuel mixer cast as a part of the head. The gasoline tank is mounted below the flat oil pan and between the skids. The engine features an enclosed crankcase. Oiling of the engine is accomplished with an oil cup mounted on the oil pan. The balls of the governor rotate inside this cup of oil and splash oil to all parts of the engine. There is no crankcase ventilation.

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