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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
October 21st
Intevac, the company building a new night vision camera for F-35 pilots, is expecting its next production lot of work for its Apache helicopter digital night vision equipment. The company is planning to submit its proposal soon with a contract award next ...
October 21st
The U.S. Missile Defense Agency (MDA) says its Oct. 17 non-intercept test dubbed FTX-20 was successful at demonstrating that data from airborne unmanned aircraft can be suitable for cueing interceptors in future engagements. read more
October 21st
Sailors aboard LCS 4 USS Coronado conducted more tests with the MQ-8B Fire Scout Vertical Take-Off and Landing Tactical Unmanned Aerial Vehicle (VTUAV) earlier this month to further familiarize the crew with operating unmanned aircraft, verify and expand ...
October 21st
Sierra Nevada isn’t giving up on its Dream Chaser commercial space crew vehicle. With billions at stake, the company has asked the U.S.  Court of Federal Claims to force NASA to reimpose the stop-work order the space agency initially set agains...
October 21st
The comet Siding Spring 2013 whizzed past Mars on Oct. 19, leaving the constellation of scientific spacecraft orbiting the planet undamaged and beginning to transmit the scientific take from their unprecedented close encounter with an Oort Cloud object. ...
October 21st
LONDON — Fifteen U.K. Royal Air Force (RAF) Eurofighter Typhoons have been upgraded with new hardware and software by BAE Systems, giving the aircraft new ground attack capabilities. The Phase 1 Enhancements (P1E) is part of the RAF’s and Euro...
From FlightGlobal
October 20th
With the Embraer Legacy 450 making its NBAA debut this week, the airframer’s entire business jet family is finally together in one place.
October 20th
GE Aviation plans to acquire two HondaJets to launch an internal shuttle service for non-executive employees moving between the company’s 42 US manufacturing sites, says Brad Mottier, president and chief executive.
October 20th
Sales are rebounding strongly for Dassault Aviation, with the French airframer notching up 67 firm Falcon orders in the first three quarters of 2014, more than in the whole of last year, says president Jon Rosanvallon.
October 20th
Nextant Aerospace is displaying a full-scale mock-up of its G90XT flightdeck for the first time at NBAA, and says it is on track for to certificate and deliver the first twin-engined turboprop – a remanufactured version of the Beechcraft King Air C90 - i...
October 20th
The first of the Royal Australian Navy’s Lockheed Martin/Sikorsky MH-60R combat helicopters has been delivered in-country from US Navy Air Station, Jacksonville, Florida, where the squadron has been training alongside US personnel.
October 20th
Gama Charters, the US subsidiary of UK-based business aviation services provider Gama Aviation, is at NBAA marking a successful 12 months as the operating partner of Wheels Up.



  • 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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