To Download the Spreadsheets's
used in
'Applied Metal Boat Building Methods'

Highlight the following link then Right Click to download the spreadsheet's directly to your Computer:

https://1drv.ms/u/c/6268deb84d5f8c9d/Ecz3zeyToydNpmvTs2eeBgsBC-EQ1oLTWVRD2wg1RmetVA?e=J1mOad

  or

Send a request text to 617 653 1063 or email thesecondwind@outlook.com - and I will send the Spreadsheet's directly to you.  



Do Not have Spreadsheet Software

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Go to LibreOffice.org


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Part I - Fundamentals:  

   Bend Angles:                           

   Bend Terminology:               

   Bend Dimensions:              

   Press Brake Tooling:                 



Part II - Preliminary Calculations:

    Inside Radius Calculations:             

    Bending Modes:        

    Tonnage Calculations:        

    Round Punch Calculations:      

    Bump Forming:                   

    Tool – Bend Conflicts:      


Part III – Formulas:

   Formula Accuracies:          

   Bend Allowance:              

   Bend Deduction:                   

   Test Bending:                            

   Dimension Conversion :                


Part IV - Shop Drawings:

   Component Design and Layout:     


Part V – Deck Openings:                       

   Raised Coamings:                  

   Solid Hatch Cover:          

   Skylight Hatch Cover:           

   Production Hatches:           


Part VI – Port-Lights:                                   

  Fixed Coaming Port-Lights:         

  Fixed Mitered Port-Light:                  

  Installing Production Ports                




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Dark Harbor

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The Catspaw Dinghy

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Steel and Aluminum True Round Plans

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"Lighting Strike'

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Fabrication of Hull Intergrals


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ClicK here to Download Spreadsheet Files to be used with the Book:


True Round vs Hard

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