See how you can support Engineers' Tool Kit


Engineers' Tool Kit - The Free Engineering Tools Site


Free engineering tools, references and news for structural and stress engineers. Almost everything here is free to use and download. 

Find here: 

  • free engineering software, spreadsheets and programs 
  • references to books for stress analysis, fatigue, dynamics, etc. 
  • reports, requirements and manuals for free download or consulting 
  • free software download on the toolkit
  • links to material data, technical reports, unit conversions, etc 
  • news for engineering professionals, videos and more

Complete site content at Site Map


Our articles:    Engineers' Tool Kit - Our View

THE LATEST NEWS - for complete coverage go to NEWS page

From Aviation Week & Space Technology
January 20th
CFM readies Leap MRO capability ahead of expected demand and unpredictable events While building up facilities to service its Leap engines, CFM reaffirms commitment to aftermarket ...
January 19th
Funeral services for Eugene Cernan, commander of NASA’s Apollo 17 mission and the last human to journey to the lunar surface, is planned for Jan. 24. read more
January 19th
View the Defense Market Intelligence Notes in PDF format. North America read more
January 19th
NORTHROP GRUMMAN has $140m U.S. Army contract for Battle Field Airborne Communication Node payload, operations and support through Jan. 23, 2018. read more
January 19th
View the Airline Snapshot: Copa Airlines chart in PDF format. read more
January 19th
Leonardo draws on commercial technology to reduce cost of military attack helo development Replacement for Mangusta to use dynamics and avionics from AW149. read more
From FlightGlobal
January 18th
United Airlines continues to evaluate its fleet needs and orderbook, following decisions to defer 61 Boeing 737 deliveries and park its Boeing 747 fleet.
January 18th
Avianca majority shareholder Synergy Aerospace's new Argentinian airline subsidiary has received its first ATR 72-600.
January 17th
Flight Ascend Consultancy, FlightGlobal s consultancy arm, has once again been crowned appraiser of the year at the Aviation 100 Awards. This is the sixth time in seven years that Flight Ascend Consultancy has been honored with this award.
January 13th
Indian low-cost carrier SpiceJet has placed a firm order for 100 Boeing 737 Max 8 aircraft, and revealed itself as the airline behind 13 Max 8's previously attributed to an unidentified customer.
January 12th
The 2016 Flight Fleet Forecast predicts the delivery of 42,800 new commercial passenger and freighter aircraft over the next 20 years. This drives a market for 86,500 installed engine deliveries, with the fleet in service growing from just over 60,000 eng...
January 11th
United Airlines is speeding up the retirement of its Boeing 747 fleet, moving the timeline forward by nearly a year to the fourth quarter.



  • Analysis & Design of Composite & Metallic Flight Vehicle Structures - Abbott - 2016 - First Edition. A new, up to date reference for structures engineers. Link for free download at:

  • New links on the LINKS page, to an easy way of calculating welded connections, to AeroStudents and to Engineers Edge add more reference material and on line calculators of a broad range of engineering topics.

  • Free program for digitizing curves - CurveSnap, added to Programs page and link to on line curve digitizing site

  • Spreadsheet  on Spreadsheets page for extracting SPC loads from NASTRAN f06 output file

  • Link to MIL SPECS and more specifications, handbooks, on EverySpec  at LINKS page

  • New spreadsheets: stress-strain curve for non linear stress analysis and Neuber Plasticity correction using Ramberg&Osgood material curve added to the Spreadsheets page

  • Link to all regulations and specifications, from EASA, on the Regulations - Aircraft page  

  • New page:  CAD Programs with links for download, free, CAD Programs for 2D and 3D

  • New page:  Compilers with links for download, free, compilers for the most used programs for engineering and research.

  • New link on Links page to NASA site with NASA and NACA Technical reports for downloading.



Airbus A350-1000 First Flight

You must install Adobe Flash to view this content.

BOEING 787 - 9

You must install Adobe Flash to view this content.