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Old 05-12-2017, 11:34 AM
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hcmbanjo hcmbanjo is offline
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Join Date: Sep 2005
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Here's a link to my blog post I did on the Centuri controller.
http://modelrocketbuilding.blogspot...turi+Letra+Line

The Centuri catalog page from 1971 shows the Lectra Line 1 in Yellow,
The Lectra Line 2 was in black.

My Lectra Line 2 was all black, including the launch button and key.
Maybe at one time Centuri pulled the yellow launch button and safety key from the 1 series
and packed that with the black 2 series controllers. (And vice-versa)
That would seem to be an easy way to make the controllers more colorful.
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