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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
September 3rd
/site-files/ Atlas Air Service Fuel Cost and Consumption January 2013 - March 2014 read more
September 2nd
The plan means the carrier would join a growing list of airlines that see opportunity in intercontinental routes to China’s large secondary cities that have huge populations but are difficult markets for long-haul services. read more
September 2nd
By digitally injecting better wind information into an aircraft’s flight management system (FMS), Avtech’s Aventus NowCast tool can save on the order of 20 lb. of fuel per approach on a narrowbody aircraft like the 737 to 150 lb. for a widebody aircraft i...
September 2nd
Emirates plans to make a decision about an order for either the Boeing 787 or Airbus A350 soon, as the airline considers broadening its network into secondary markets by adding thinner routes. read more
September 2nd
The decision by the Davies Commission leaves three more options on the table that would address the capacity shortfall: the extension of one of Heathrow’s existing runways, a third runway for the airport or a second for London-Gatwick. read more
September 2nd
Airports are succeeding in lowering the risk of damaging bird strikes, but dangers centered farther from airfields need more attention, the latest U.S. wildlife strike data show. read more
From FlightGlobal
September 2nd
​The Air Force is moving ahead with plans to develop a sixth-generation fighter jet engine based on technological improvements achieved through an ongoing effort to produce a power plant for a future long-range bomber.
September 2nd
​The US Department of Defense (DoD) has confirmed that Saudi Arabia will be the launch customer for the Boeing AH-6I light attack helicopter following the signing of $234 million contract for 24 aircraft.
September 2nd
​The Czech Republic, Slovakia and Sweden have signed a letter of intent agreeing to cooperate on using the Saab JAS-39 Gripen combat fighter, paving way for a potential Slovakian acquisition of the aircraft.
September 2nd
​The five decades from 1914 saw heavier-than-air ­aviation evolve from basic biplanes to the jet age. The subsequent 50 years welcomed stealth, supersonic airliners, huge advances in aerostructures and mass air travel. However, lighter-than-air technolog...
September 1st
Comac is expecting to start final assembly of its first C919 flight test aircraft at the end of the month.
September 1st
Comac has installed over 90% of the necessary structures and systems on the C919 iron bird test rig, as it works towards an end-2015 first flight target for its narrowbody programme.



  • 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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