Tuesday, December 24, 2019

Mechanical Computers - Differential Analyzers

THE DIFFERENTIAL ANALYSER:

 Vannevar Busch: Differential Analyzer  (1930)

 



 
 Rockefeller Diferential Analyzer:
Rockefeller Differential Analyzer (RDA): Wikipedia: 
Was an all-electronic version of the Differential Analyzer, which Bush had built at the Massachusetts Institute of Technology RDA was operational in 1942



RDA Differential




General Reference:
http://amg.nzfmm.co.nz/differential_analyser_explained.html 

Components:

The Integrator 
The Torque Amplifier 
Input and Output Tables

Example




 Torque Amplifier  schema:



Meccano.  Working Torque Amplifier




UCLA's Mechanical "brain" (1948)
 Video shows UCLA's Differential Analyzer, a mechanical computer, in 1948






A 50's era Navy's training film series expaining how works a mechanical computer:
  
1953



(Part 1)
1.-  Shafts, Gears, Cams



2.- Cams, Barrel Cam



3.- Barrel Cam, Differentials:




(Part 2)
4. Integrators:







5.- Integrators







6.- Integrators and Multipliers



7.- Multipliers:



Complete NAVY film: 



 1953 US Navy Film: Basic Mechanisms In Fire Control Computers
https://www.youtube.com/watch?v=x9YEPw7_YTk


Mechanical Computer (All Parts) - 
Basic Mechanisms In Fire Control Computers 
https://youtu.be/s1i-dnAH9Y4



FICTION (about Differential analyzer):
Differential Analizer in a fiction film:


Differential Analyzer: "Earth vs. the Flying Saucers (Columbia Pictures 1956)"
LIST OF DIFFERENTIAL ANALYZERS:
 
From:  http://www.meccano.us/differential_analyzers/other_da/index.html




Mechanical Computers:  @macajo Twitter:
https://twitter.com/macajo/status/1209553450486390786?s=20
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1 comment:

  1. nummoltMarch 29, 2020 at 12:32 PM

    https://meccanokinematics.net/fac/models/15-differential-analyzers/

    ReplyDelete

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