Richard Bartrop Posted January 21 Share Posted January 21 How it was done before electronics. 1 Quote Link to comment Share on other sites More sharing options...
Ace-Garageguy Posted January 22 Share Posted January 22 (edited) Fascinating stuff. It's good for people to know what could be "computed" with mechanical systems prior to the electronic revolution. Porsche's (and others) timed mechanical fuel-injection systems are another good example, with injection timing, squirt volume, and compensation for atmospheric pressure all controlled mechanically, changing constantly as the engine is running, all the while also responding to engine load and throttle opening. Edited January 22 by Ace-Garageguy CLARITY Quote Link to comment Share on other sites More sharing options...
Richard Bartrop Posted January 22 Author Share Posted January 22 Probably derived from this. 1 Quote Link to comment Share on other sites More sharing options...
Ace-Garageguy Posted January 22 Share Posted January 22 Here's a short article on the Spica timed mechanical injection used on US-market Alfa Romeos from '69-'81. https://www.roadandtrack.com/car-culture/a26665/mechanical-fuel-injection/ Quote Link to comment Share on other sites More sharing options...
Ace-Garageguy Posted January 22 Share Posted January 22 (edited) A little history of the Bosch, Spica, Kugelfischer, and Lucas timed mechanical injection systems... https://www.roadandtrack.com/car-culture/a45876019/mechanical-fuel-injection-explained/ "The logic section is essentially a mechanical computer." Edited January 22 by Ace-Garageguy Quote Link to comment Share on other sites More sharing options...
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