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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
December 1st
The A320 is forecast to generate $393 million in C checks next year A320 retrofits will be a boon for industry as buyers and lessors work toward meeting AD requirements. read more
December 1st
Aircelle bets on nacelle maintenance business Aircelle Europe developing leading position as nacelle service provider for Airbus Neo models read more
December 1st
Qantas plans upgrades for A330s, 737s Fleet-wide interior upgrades planned by Qantas to keep its Boeing and Airbus models competitive read more
November 24th
Hayabusa-2 taking hands-on approach to asteroid exploration Japan is scheduled to launch Hayabusa-2 on a six-year mission to return samples from the asteroid 1999 JU3. Four landers are designed to explore the C-type ...
November 24th
NTSB rules FAA can regulate recklessly flown model aircraft Although the FAA has not yet completed rules for how UAVs should be operated in U.S. airspace, it can fine commercial operators for “careless or reckl...
November 24th
ATR revamps assembly line to fulfill its growing order book Increasing the assembly rate to 10 aircraft per month seems minute compared to Boeing and Airbus, but it is confirmation of ATR’s renaissance in the past de...
From FlightGlobal
November 21st
​A Sagem team recently completed an 11-day flight test campaign to explore the integration of its Patroller unmanned air vehicle into civil airspace.
November 21st
With the Bell Helicopter 505 Jet Ranger X making its maiden flight recently – and with the technologically advanced 525 Relentless waiting in the wings – we run down a (entirely subjective) list of the most influential helicopters of all time. And before ...
November 20th
​Boeing attributes the loss of a 50-aircraft Delta Air Lines order announced on 20 November to a lack of available delivery slots.
November 20th
​Delta Air Lines has confirmed an order for 25 Airbus A350-900 for delivery beginning in 2017 and 25 A330-900 aircraft that will start entering the fleet in 2019.
November 20th
​Paris has confirmed its selection of the Airbus A330 multi-role tanker transport (MRTT), with 12 of the type to replace its Boeing C/KC-135s from late this decade.
November 20th
When South Korea in early November dumped BAE Systems as the prime contractor in charge of upgrading its fleet of Lockheed Martin F-16, it sent a message that companies other than the original equipment manufacturers would be fighting an uphill batt...



  • Two new links on the LINKS page, 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.



Sukhoi Su-35 at Paris

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SOLAR IMPULSE: Wonderful engineering work

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