Pearl No. 1 Compatible Form Roller Wheels

Project/Part CR5-1/162

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In this Notebook I'll present the surviving data for Pearl No. 1 Form Roller Wheels (that is, trucks) and develop a design for a compatible truck, Since most of the trucks for Golding presses of all models are quite similar, I'll try to be more thorough here and refer elsewhere to this project writeup. CircuitousRoot Project ID/Part No.: CR5-1/162.

I'll go through the process of making a similar Form Roller Wheel in Delrin® in the ../ Machining Pearl Form Roller Wheels Notebook.

Thanks - indeed, overwhelming thanks - are due to Stephen O. Saxe for having preserved the original Golding & Co. drawings which have enabled this project and for his very kind help in all phases of this project. Thanks also to Sara and Kylian Wrzesinski of Raky Press for their help in testing these trucks against reference equipment (their Pearl No. 1).

N.B., These parts are called "trucks" or "roller trucks" by modern convention. The Golding & Co. name for them was "Form Roller Wheels."

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Surviving Roller, Core, & Wheel Data

New drawings of Form Roller Wheel and Roller & Roller Core data extracted from surviving copies of Golding & Co. engineering drawings and tables. CircuitousRoot Drawings Nos. CRD-3 and CRD-4.

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A Compatible Form Roller Wheel Design

A design for a Form Roller Wheel intended to be compatible with the Pearl No. 1. CircuitousRoot Drawing No. CRD-2.

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This is an open source hardware project.

The data are public domain (this is 19th century technology, after all). The new drawings I've made are all presented under a Creative Commons Attribution-ShareAlike license, as are these web pages describing the project. You can copy and/or modify these drawings and these web pages under the terms of this license.

If you distribute modified versions of these drawings or this project, please replace the "CR" in the drawing/part identifiers with some prefix of your choice (other than "LT", which I might use myself). It is in everyone's best interests if forks of projects are identified distinctively.

You can use the information here to make these trucks, or trucks based on them (even commercially). However, please note that any use you make of any information here is entirely at your own risk; I disclaim all responsibility for your actions and their consequences.

Note also that "CircuitousRoot" is a registered trademark. If you make or modify any CircuitousRoot project, it is ok to use "CircuitousRoot" to identify the original source of the project, but it is not ok to use this name in any way which implies that CircuitousRoot endorses your version of or your making of the project. This is just common courtesy as well.

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