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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 20th
  LONDON—The Canadian government has ordered seven Bell 412EPi twin-engined medium utility helicopters as part of its modernization program for the country’s Coast Guard. The CDN$155 million ($123 million) deal with Bell Helicopter is t...
April 20th
Surf Air, based in Santa Monica, California, will expand its service to four new California destinations this year. That represents a 40% growth of its existing network. Surf Air is an “all-you-can-fly” private membership club. It will begin s...
April 20th
SHANGHAI—An aircraft management company that Cessna is setting up with Chinese partners is due to begin operations early next, reinforcing sales prospects for the manufacturer in China. Avic general aviation subsidiary Caiga and Chinese pharmaceuti...
April 20th
REVA, a worldwide operator of jet air ambulances, has launched a major expansion of its Caribbean operations, the company said. It now offers permanently based jet services for emergency air transportation to and from even remote islands with short runway...
April 20th
/site-files/ U.S. and Canada Business Aircraft Activity March 2015 versus February 2015 Apr 2014 Rank read more
April 20th
Textron Aviation has opened a Paris Service Center at Paris-Le Bourget Airport, the company said. The service center includes a 42,000-sq.-ft. service bay, double the size of the service bay at the former Paris service center. The new service center offer...
From FlightGlobal
April 17th
​Sources have revealed that the Israeli Defence Force (IDF) has revived a plan to acquire a larger brigade-level unmanned air vehicle than its battalion-level Elbit Systems Skylark I-LE.
April 17th
​Emirates believes it has room to convert some of its Rolls-Royce-powered Airbus A380s to a future re-engined version, but is prepared to fit all 50 with the Trent 900 if there is no sign of movement from the airframer.
April 17th
Emirates has confirmed it is taking Rolls-Royce Trent 900s for 50 Airbus A380s.
April 16th
​United Aircraft Corp subsidiary AeroComposite has received the first centre wingbox for the Irkut MC-21 aircraft, a new narrowbody design scheduled to complete first flight by the end of the year.
April 16th
​The US Defense Advanced Research Projects Agency (DARPA) carried out testing of a full prototype of the Persistent Close Air Support (PCAS) for the first time during the US Marine Corps’ Talon Reach exercise.
April 16th
​Embraer delivered 20 E175 regional jets in the first three months of 2014, the company announced on 16 April.



  • 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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