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  #11  
Old 02-27-2017, 08:51 AM
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will do, I will spend some time on it at the weekend.

Jon
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Old 02-27-2017, 10:08 AM
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You did not say if that Micro Switch was attached to that contraption on the valve cover. I gather that it is not, but if so, is it attached to anything else? I suspect we will never be able to find out what that thing is, or who made it, unless we can get a manufacturers name or model number off it. I suspect that Micro Switch might have been part of it to make it all work properly. It could just be a "Rube Goldberg" device that someone was trying to put together to get cruise control. Or something entirely different...
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Old 02-27-2017, 10:30 AM
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Ray
The microswitch has a lead on it that plugs into the 3 pin socket that is on the end of the contraption in the first picture above. Current thinking is
1. cruise control
2. musical instrument
3. left over from Manhattan Project...!!
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Old 02-27-2017, 10:49 AM
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I was offered a job at micro-switch years (and years) ago. They only made switches which could be adapted for many uses. Also sold to other manufactures who used the micro-switches as part of their product rather than making their own switch.

Dude (or Dude-ette) must of been related to me as much as I like using cruise control - either that or they did a lot of interstate driving.

Wires usually go to the brake light circuit so that stepping on the brake produces voltage to the "contraption" and disengages the cruise.

Very cool - yep - probably a rocket scientist fooling around in the garage.

Eric
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Old 02-27-2017, 11:10 AM
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Hi Eric! I was surprised when I was told that Honeywell used to be Micro Switch. I think when I asked when did this switch occur they said many years ago. Then after doing some research, I found that Honeywell was started back in 1885, and formally founded in 1906. Along the way, it bought up Micro Switch from the reading I did. I have not found that date yet.

Jon, I think you might have hit the nail on the head with your thought that thing might have been left over from the Manhattan Project!
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Old 03-04-2017, 09:54 AM
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Ray
I have a couple more photos that I will post on Monday. I did get the catalog number of the micro switch . It's WZE-RQX2

Jon
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Old 03-04-2017, 10:21 AM
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Hi Jon! Thanks for the catalog number. I will call them and see what they can tell me about it.
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Old 03-04-2017, 11:25 AM
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A few other bits of info for you Ray. There is a shut off valve attached to the diaphragm on the valve cover. It is stamped Valcor eng corp part no v5000-41. A quick google and apparently its often used as a shut off valve for gas turbines ..! Also another bit of kit is stamped R H Thorner Patents. Some digging throws up several patents in the 60's for "automotive speed control apparatus". Pics to follow
Jon
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Old 03-04-2017, 11:55 AM
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Hi Jon, I googled what you posted and it certainly looks like someone was trying to put together some off the wall concoction for speed control! I looked at several of the pdf files by R H Thorner. I saw the dates on some of that patent information was back in the 50's and 60's..
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Old 03-06-2017, 02:11 AM
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Ray
some more photos for you. I don't think we will ever get to the bottom of this unless someone comes along with a similar setup.! I'm hoping the pictures come up in the same order that I'm describing them.
1, 2 & 3 are the bits marked RH Thorner Patents. looks to be some sort of vacuum driven worm drive, I originally thought it was something to do with the old vacuum wiper drive ?
4 is a better view of the microswitch
5 is the shut off valve which can been seen in picture 6.
The microswitch three pin plug also attaches to the end of the valve. A quick google of the valve reference and they are commonly used as fuel shut off valves for gas turbine engines.! You can just make out that the fixings on the end cover of the valve are wired to prevent them coming loose. Common practice in the aircraft industry.

Jon
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