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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
March 5th
FAA Administrator Michael Huerta says he and Transportation Department Secretary Anthony Foxx are “open” to discussing a restructuring of the agency, specifically the removal of its air traffic control and modernization roles from its safety a...
March 5th
U.S. STATE DEPARTMENT says fiscal 2016 foreign military financing (FMF) request for Israel is $3.1b. Israel has received $20.5b in FMF since 2009. CHINA plans to raise defense budget by 10% this year, compared with last year’s 12.2%, according to Xi...
March 5th
During the year, Avianca acquired a stake in Mexican air-freight carrier AeroUnion and entered into a commercial agreement with Etihad, which Avianca said is “creating a stronger cargo operation and more connectivity from Los Angeles via Mexico, whi...
March 5th
/site-files/ U.S. Airlines Seasonally Adjusted  Monthly Available Seat-Miles (ASMs) Systemwide (Domestic + International) RPMs/ASMs (both seasonally...
March 5th
/site-files/ U.S. Airlines Seasonally Adjusted Monthly Available Seat-Miles, 2014 Systemwide RPMs/ASMs  (both seasonally adjusted) in percent.&...
March 5th
As part of GE9X engine development for the Boeing 777X, GE Aviation has started ground tests on a GEnx engine containing ceramic matrix composite (CMC) components in the high-pressure turbine and combustor. The lightweight, heat-resistant CMC compone...
From FlightGlobal
March 5th
​Embraer is expecting to deliver 95-100 commercial aircraft this year, and to achieve overall revenues of $6.1-6.6 billion.
March 4th
​Germany has finally confirmed a deal that will see it order 18 new NH Industries NH90 NFH helicopters for its navy, at the same time trimming commitments for the troop transport variant and Airbus Helicopters Tiger attack rotorcraft.
March 4th
AgustaWestland has launched a beefed-up version of its AW139 twin-engined helicopter, upping the maximum take-off weight to 7t from the present optional upper limit of 6.8t.
March 4th
​As a new era of high-speed rotorcraft unfolds, a California-based aviation start-up unveiled yet a new approach to solving the puzzle of vertical flight: a combination tilt-wing and joined-wing with propulsive pitch control.
March 4th
​Flight tests of the KC630 light-single should resume by the end of the year after New Zealand-based Composite Helicopters integrates design changes adopted following a non-fatal crash of a prototype in November.
March 4th
German business aircraft charter and management company FAI Rent-a-Jet has posted record profits for 2014, thanks largely to an increase in global demand for its air ambulance service.



  • 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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