Ferranti Orion

Ferranti positioned Orion to be their primary offering during the early 1960s, complementing their high-end Atlas and smaller systems like the Sirius and Argus.

The Orion was based on a new type of logic circuit known as "Neuron" and included built-in multitasking support, one of the earliest commercial machines to do so (the KDF9 being a contemporary).

Its failure was the capstone to a long series of losses for the Manchester labs, and with it, Ferranti management grew tired of the entire computer market.

The division was sold to International Computers and Tabulators (ICT), who selected the Canadian Ferranti-Packard 6000 as their mid-range offering, ending further sales of the Orion 2.

[1] Although they had advantages for computer designers, namely lower power requirements and their smaller physical packaging, vacuum tubes remained the primary logic device until the early 1960s.

When current passed through the core, a magnetic field would be induced that would reach a maximum value based on the saturation point of the material being used.

Few machines using the circuits reached the market, the best known examples being the mostly-magnetic UNIVAC Solid State (1959)[2] and the mostly transistorized English Electric KDF9 (1964).

Pollard decided that such a machine would be a strong counterpart to the high-end Atlas, and would form the basis for Ferranti's sales for the next five years.

Keeping the current levels steady over the longer wire runs was extremely difficult, and efforts to cure the problems resulted in lengthy delays.

Engineers at other Ferranti departments, notably the former Lily Hill House in Bracknell, started raising increasingly vocal concerns about the effort.

[4] Several members from Bracknell approached Gordon Scarrott and tried to convince him that Orion should be developed using a conventional all-transistor design.

They recommended using the "Griblons" circuits developed by Maurice Gribble at Ferranti's Wythenshawe plant, which they had used to successfully implement their Argus computer for the Bristol Bloodhound missile system.

Braunholtz later expressed his frustration that they didn't write to him directly, and the matter sat for several years while Orion continued to run into delays.

In September 1961 Prudential was threatening to cancel their order, and by chance, Braunholtz at that moment sent a telegram to Hall expressing his continuing concerns.

Hall immediately invited Braunholtz to talk about his ideas, and several days later the Bracknell team was working full out on what would become the Orion 2.

Although Braunholtz had suggested using the Griblons, the Bracknell group also invited a team of engineers from Ferranti Canada to discuss their recent successes with their "Gemini" design, which was used in their ReserVec system.

[8][9] Parts arrived from many Ferranti divisions over the next year, and the machine was officially switched on by Peter Hunt on 7 January 1963.

Another system was sold to the South African Mutual Life Assurance Society in Cape Town where it was used for updating insurance policies.