Dianne Blood
BLOOD, Dianne, AO HonFIEAust CPEng (Ret) (1933-)
Born a twin in 1933, Dianne Blood grew up in Australia in a family with a strong scientific and technical background. Her father, an architect educated at the University of Melbourne, was killed in the 1940 Canberra air crash, leaving her mother to raise children alone.
From an early age, Dianne showed exceptional aptitude for mathematics and physics. Her curiosity was evident when, as a teenager, she converted the family garage into a small workshop equipped with a bench, a Myford lathe, and a Waldown drill stand. Here she taught herself machining and mechanical design, working on her early projects such as a pendulum clock mechanism and a coin-operated sandwich dispenser.
Dianne attended Geelong Grammar School, where she earned a Commonwealth University Scholarship and graduated as a school prefect. The school later in 2015 recognised her as one of its “100 Exceptional Stories” and in 2024, named her a “Trail Blazer” among distinguished alumni.
Unable to attend university (employment being essential), Dianne began her engineering career in 1952 as a tracer of engineering drawings at a large Melbourne engineering works, the Australian subsidiary of an American international corporation. The company supplied heavy mining equipment and food-processing machinery, representing major international manufacturers.
She enrolled part-time in a Diploma course in Mechanical Engineering at Melbourne Technical College, but her studies were interrupted by a sport injury and national service. Although she never completed the diploma, she continued to learn independently through her work and reading.
Through practical experience and close collaboration with machinists and engineers, she developed strong design and manufacturing skills, progressing into engineering design work. Her career took her across Australia, the USA, Singapore, South Africa, and Europe, where she conducted research projects and introduced her designs.
By her early twenties, Dianne was appointed to supervise all design projects and food processing plant orders. She streamlined much of the company’s machinery, improving functionality, serviceability, and production efficiency. Her innovations, such as the redesign of peach slicers and standardisation of components significantly enhanced the company’s competitiveness and design quality.
Dianne took on challenges in many branches of mechanical engineering and her reputation for developing unique solutions led to her designs being adopted internationally in fields such as centrifuge technology, submersible research probes, robotic systems, hydraulic machinery, and large-scale food processing equipment. Among her notable achievements was the design of what was believed to be the world’s fastest vacuum syruping machine, capable of handling 400 cans per minute, as well as the development of innovative canning systems and sterilizers. Dianne’s research on canning processes and “surge control” was recognised across the industry, and her work contributed to several major food and pharmaceutical plants in Australia and abroad.
Dianne was commissioned to design the complete sterile ampoule processing plant and its equipment for the Commonwealth Serum Laboratories (CSL), covering every stage from filling and sealing to sterilisation and testing. Despite having no prior experience with heat sealing machinery or sterile room design, she engineered a fully enclosed, pressurised glass cabinet system that operated without human contact. She developed innovative solutions, including a multi head pressure filling system, custom stainless-steel cylinders to prevent ampoule deformation, and a modified heat sealing process using controlled compressed air cooling. Her successful design gained industry recognition and was highlighted in a professional journal.
Dianne was appointed Executive Engineer and Board Director of a leading Goulburn Valley cannery, where she oversaw the modernisation of production operations and plant design.
In 1967, she was invited to Western Australia to advise a struggling new cannery in Manjimup. After identifying major design flaws, she was appointed to manage and rebuild the plant, a project she led from concept to commissioning. Despite immense challenges with limited staff, resources, and last-minute changes to fruit supply, she completed the project in just seven months. Dianne received a commendation from the Manjimup Chamber of Commerce for her contributions, with praise highlighting her extensive knowledge of the Australian canned food industry, describing her as “an inventor by nature and experience”.
After settling in Perth, Dianne co-founded a small food processing factory, designing and constructing innovative machinery to produce vacuum-processed pie apples. Despite successfully building and operating the plant, the business collapsed due to market undercutting by competitors. In 1977, after an unsuccessful expansion into pickled products hindered by financial strain, Dianne chose to leave food manufacturing and return to her true passion, engineering design.
Over the next four years, Dianne entered one of the most creative phases of her career, designing equipment such as a carrot grading plant, prototype label makers, and an electronic cable coder. She was contracted by the WA Department of Industrial Development to assist various government departments, completing projects for the Department of Agriculture, the Board of Works, and a Perth research company. One notable achievement was her design and construction of an innovative “apple stuffing” machine that efficiently loaded loose apples into shipping containers for export to the UK, a project that was featured on ABC News.
Dianne was approached by the owners of the Fremantle Grain Terminal to advise on robotic grain sampling of the incoming trucks at their rail terminals. She designed an innovative probe that improved on bulky Canadian models by preventing cross-contamination and accurately sampling grain at varying depths.
Dianne played a significant role in the development of apparatus for what was the world’s largest geo-mechanics centrifuge, commissioned in 1996 for the United States Army Research Centre. Although not involved in the centrifuge itself, she was entrusted to design and build an advanced dual-axis servo actuator and penetrometer assembly capable of operating at up to 350 gravities. The equipment was assembled and tested in her Perth workshop before being delivered to the United States via Cambridge. The project later earned a commendatory letter from the US Army, acknowledging it as one of the finest pieces of research equipment they had received. The centrifuge remained the largest in the world at 1,200 g-tonnes for nearly three decades before being surpassed in 2025 by a 1,300 g-tonne facility in China.
In the 1980s, Dianne was granted Chartered Membership of Engineers Australia without an engineering degree, possibly the first and only person to achieve this.
In 1981, Dianne joined the University of Western Australia’s Robotic Sheep Shearing Project, a world-first research effort in agricultural automation. As Mechanical Design Engineer, she led a small team that developed robotic sheep cradles (ARAMP, SLAMP) and the “Shear Magic” robotic shearing system. Her work involved developing hydraulic shuttle motors for robotic shearers, servo-controlled manipulators for safe animal handling, and actuators for Geo-mechanics centrifuge research, applying her expertise to both agricultural and scientific applications. The ARAMP manipulator she developed became a foundation for subsequent manipulators, streamlining sheep restraint and robotic handling, and enabling the later design of robots capable of shearing entire fleeces. This pioneering technology earned international recognition and helped establish Australia as a leader in agricultural robotics.
After leaving UWA in the early 1992, Dianne moved to Melbourne and married Harold. She was contracted by a major electrical engineering firm to develop a new range of large high-voltage circuit breakers. She also designed a trolley for safely handling and delivering wine barrels, praised by OHS inspectors. Despite business setbacks, she demonstrated ingenuity by later using the trolley to load her husband’s antique lathes for transport to a UK museum.
Dianne remained actively involved in her local church, took various voluntary projects, and helped neighbours with practical engineering solutions. Notably, she designed a portable braking system for an all-terrain rescue stretcher for a State Emergency Service division, originally intended for moderate slopes, which proved capable of safely handling steep terrain. Dianne is credited with over 2000 engineering designs, and around 40 patents. Her outstanding contributions to mechanical engineering have been acknowledged nationally and internationally. Her distinctions include:
- Appointed an Officer (AO) of the Order of Australia in 2025
- Peter Nicol Russell Medal in 2023 - Lifetime Achievement Award
- AGM Michell Medal for excellence in professional mechanical engineering
- Honorary Fellow of Engineers Australia
- Victorian Honour Roll of Women for contributions to engineering and community
Dianne became widely respected not only for her technical brilliance but also for her mentorship and community leadership. She mentored many young engineers, including Marita Cheng, who was awarded Young Australian of the Year in 2012 and later being appointed a Member of the Order of Australia (AM) 2019.
Dianne remained active in Rotary and Lions Clubs, contributing her engineering skills to community projects such as retirement village layouts, church restorations, accessibility aids, and disaster relief innovations.
Her lifelong commitment to mentoring and service continues to inspire generations of engineers, especially women to pursue technical excellence with curiosity, courage, and compassion.
Biography compiled from documents supplied by Dianne Blood by Fatima Kazemi and James Trevelyan, May 2026, Western Australia Division
References:
Engineering In Your Blood, A lifetime Creating Unique Designs, Dianne Blood AO
