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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
April 1st
George Bye Founder, Chairman and CEO, Aero Electric Aircraft Corp., and Bye Aerospace, Centennial Airport, Denver read more
April 1st
If we were to tag the last 24 months in business aviation with a name, it in all probability would be the “Years of the Business Jets.” – B&CA Staff Looking at flying hours, business aviation accounts for about 40% o...
April 1st
Three Textron Aviation service centers have gained certification to repair and service King Air aircraft, the company said. Its company-owned service centers in Sacramento, California, Mesa, Arizona, and Paris have gained certification for Beechcraft King...
April 1st
HAITEC Aircraft Maintenance GmbH, based in Germany, was granted Repair Station Approval by the FAA, which will allow it to offer maintenance, repair and overhaul services to operators of N-registered aircraft worldwide and grow its customer base, it said....
April 1st
​Continental Motors Group has announced that its six-cylinder engine that will run on alternative fuels, the IO-360-AF (Alternative Fuel) engine, has received type certification from the FAA.The engine is certified for standard 100LL as well as for 91UL a...
April 1st
Becker Avionics, based in Miramar, Florida, has introduced a new ADS-B tracking and surveillance system for flight and ground operations. The system is called ATLASS, for ADS-B Traffic Localization and Surveillance System, a traffic monitoring system that...
From FlightGlobal
March 27th
​A newly-awarded provisional type certificate for the HA-420 HondaJet moves the North Carolina-based manufacturer a major stiep closer in its 12-year-long quest of entering the light business jet market.
March 27th
​Bombardier’s new chief executive appeared to disclose a new delay for first delivery of the CS100 at a press conference in Montreal on 27 March, but a company spokeswoman says there has been no change.
March 27th
​The Royal Air Force says that its Lockheed Martin C-130J Hercules strategic transport has been deployed to northeastern Africa to deliver supplies to a remote region under the UN Mission in South Sudan (UNMISS) humanitarian relief effort.
March 27th
​As our report on Viking’s ​Twin Otter shows, reviving civil aircraft programmes that have foundered can be a gamble that pays off – or, not.
March 26th
AeroVironment and Northrop Grumman will compete to build a Predator-sized unmanned air system (UAS) that can be launched and recovered from a naval patrol vessel, the Defense Advanced Research Projects Agency (DARPA) has announced.
March 26th
​The UK Ministry of Defence has rejected claims that it is only making a “strikingly modest” contribution to the multinational coalition effort against Islamic State militants in Iraq, touting that it has performed only second to the USA throughout the ca...



  • 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.



Brazilian KC 390 First Flight - 2015/02/03

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SOLAR IMPULSE: Wonderful engineering work

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