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Projects Save The Gauges

Discussion in 'The Hokey Ass Message Board' started by Speed~On, Mar 15, 2020.

  1. [​IMG]

    Yeah, I don't like my gauges calling me names every time I look at it.........:).
     
  2. nrgwizard
    Joined: Aug 18, 2006
    Posts: 1,622

    nrgwizard
    Member
    from Minn. uSA

    Pressure dampening over a certain limit, so's to not damage the gauge movement when/if it exceeds some pre-determined point, I'd guess ~80 psi on that gauge.

    Your last comment could apply also... :D .
    Marcus...
     
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  3. 33 cdan man
    Joined: Sep 15, 2016
    Posts: 178

    33 cdan man

    This is the original dash insert and gauges for my 1932 Oldsmobile. They have bee cleaned only, not restored. IMG_3082.jpg IMG_3083.jpg IMG_3084.jpg
     
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  4. Moriarity
    Joined: Apr 11, 2001
    Posts: 23,088

    Moriarity
    SUPER MODERATOR
    Staff Member

    Just picked these Nos eelco gauges
    4FF115D1-8451-44F4-82ED-05EEF30F3C14.jpeg 5842C1FA-B6CF-4AAD-81E6-B87B7FB8B38D.jpeg 400EBFEE-D701-4100-909C-8EA2CB561655.jpeg D33D9D18-3E29-47C5-A1B8-162E7CAC838E.jpeg 7C4A9CB9-2696-49E9-9F4C-7A96A906CE69.jpeg E267028D-63E0-4DEB-962B-886EE7A55B47.jpeg EE587629-DBB5-4B8D-96C6-55F92C9D5A5E.jpeg
     
    Last edited: Dec 27, 2021
  5. What a score, even have the original boxes...you are having a excellent Xmas :rolleyes:
     
  6. fleetside66
    Joined: Nov 20, 2006
    Posts: 2,780

    fleetside66
    Member

    Most excellent Eelco score! Ironically, I just bought that vacuum & amps that Nick the Bandit listed here, which helped fill in the missing holes in my set that I've been collecting for quite a while. Yes, he is a bandit (haha), but you sure don't see these things come up for sale very often. I have a working oil temp, the supercharger gauge & an oil pressure. You didn't get an extra fuel pressure, did you? By the way, I've seen another version of the supercharger gauge, where the Eelco logo was above the two rivets. Yours is the first one I've seen like mine. Did you notice that the bezel on it is different than the others? I wonder if there's a water temp out there that survived?

    IMG_9290.jpg
     
  7. Beanscoot
    Joined: May 14, 2008
    Posts: 2,359

    Beanscoot
    Member

    How does the fuel pressure gauge work?
    Mine is directly connected to the fuel line, which tends to be considered a no-no.
     
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  8. Moriarity
    Joined: Apr 11, 2001
    Posts: 23,088

    Moriarity
    SUPER MODERATOR
    Staff Member

    I have a black water temp....
    AB2A54E5-40C9-4EA6-BDD8-C82848DD0704.jpeg
     
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  9. Moriarity
    Joined: Apr 11, 2001
    Posts: 23,088

    Moriarity
    SUPER MODERATOR
    Staff Member

    yup, hooks to a fuel line. I think that you are supposed to mount them outside the passenger compartment
     
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  10. fleetside66
    Joined: Nov 20, 2006
    Posts: 2,780

    fleetside66
    Member

    I should be the last one trying to explain how anything mechanical works, but essentially the fuel in a running car exerts pressure via a fuel line into a Bourdon Tube (inside the gauge), which in turn flexes & causes the needle to move via a small mechanical system of levers or gears. The oil pressure essentially works the same, as does the water & oil temp, only there the gas (like ether) in the line expands from the heat, creating the pressure to flex the Bourdon Tube. What I've never been able to figure out is whether the oil or gas actually goes into the Bourdon Tube or if its just air pressure (coming from the gas or oil) that goes into the Bourdon Tube. If it's the former, then I can see why you wouldn't want gasoline in a gauge in your dashboard....especially next to a cigarette lighter. Am I missing something?

    instrumentationtools.com_pressure-gauge-animation.gif .
     
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  11. fleetside66
    Joined: Nov 20, 2006
    Posts: 2,780

    fleetside66
    Member

    And a beauty it is! Remember that there are certain old folks on this site that might be in a certain time period where they might be starting to contemplate one last wish.
     
  12. Speed~On
    Joined: Apr 28, 2011
    Posts: 1,446

    Speed~On
    Member

    WOW!! @Moriarity you hit the mother load of eelco's!! Those are great and you have the original boxes, too! Damn, the eelco's are so difficult to find, you rarely...if ever..see them come up for sale! We know you will give them a great home.
    And great job to Greg @fleetside66 on your recent eelco finds. Thank you Mark and Greg for sharing your collection with the rest of us.
    Fleetside, I would argue that you're a stealthy collector:D Right when I think I have a handle on all your goodies you pull out all kinds of new stuff. I gotta say watching you guys makes me feel sssoooo much better about my gauge collecting problem, LOL!

    Yes, @Beanscoot as Moriority stated your fuel pressure gauge is typically plumbed in-line in the fuel line and should be in your engine compartment. My fuel pressure gauge is plumbed in-line in the fuel line between the mechanical fuel pump and carb (sits up near the valve cover)

    Looking at Fleetsides schematic I gotta tell ya, I've had the unpleasant task of lining up the pinion gear and sector link gear so a gauge will read correctly and that was not a fun project.
     
    Last edited: Dec 27, 2021
  13. Autometer makes a isolater unit which you mount and hide anywhere but inside for safety...

    Capture.JPG
     
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  14. Phil P
    Joined: Jan 1, 2018
    Posts: 382

    Phil P
    ALLIANCE MEMBER

    I imagine there is always going to be some air trapped between the fluid and the gage unless there is a leak in the gage or fittings, this is where it would be a problem with a fuel pressure gage in the passenger compartment.

    Phil
     
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  15. fleetside66
    Joined: Nov 20, 2006
    Posts: 2,780

    fleetside66
    Member

    I'm tending to agree with you on that, Phil. I think it's the same as with an old boat speedometer, where I believe the water flowing into a (Pitot) tube creates air pressure, which acts on the Bourdon tube to move the needle. Moon used to make a really cool speedo very early on, but you couldn't use it on a car (obviously) because it worked on a different principle. Also, because of the nature of how they worked, I noticed that the lower speed graduations on the gauge face were spaced closer together than the ones at the mid & high range. And, obviously, there was no water intrusion into the gauge itself. That being said, I have noticed some of oil pressure gauges that have a film of oil under the lens. I guess, for the most part, the air trapped in the line will not let the liquid past it, probably because the pressure is relatively low. If the pressure was high, I'd think that the air would mix with the liquid at some point. It seems this is one of those things you really can't Google.
     
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  16. Beanscoot
    Joined: May 14, 2008
    Posts: 2,359

    Beanscoot
    Member

    Initially there is air in the Bourdon tube, but over time it is replaced with the liquid. With my fuel gauge I can tell that happens as the gauge needle starts to jump around a lot since there's no more damping by an air pocket.

    When this happens I just disconnect the gauge and blow the line clear, and the needle moves smoothly until the air is "consumed" again.
     
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  17. Moriarity
    Joined: Apr 11, 2001
    Posts: 23,088

    Moriarity
    SUPER MODERATOR
    Staff Member


    My boat has one of those Moon speedometers. And here’s a SW marine speedo showing the connection for the tube D29914DE-AABF-462F-9452-D825105E3E0E.jpeg 0BFDF922-A512-41AF-AB89-E6B9BC813386.jpeg 58C8DF61-BD22-48A1-9D91-7BC4E9D55D81.jpeg 4F9C7573-59CD-4F49-9C38-E48807C10B8C.jpeg
     
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  18. fleetside66
    Joined: Nov 20, 2006
    Posts: 2,780

    fleetside66
    Member

    Very interesting the way the increments expand as the speed rises. I never could fathom why Dean Moon didn't commission a car speedometer when he brought out the smaller car gauges. U.S Gauge Co. made the small ones (pressure, temp, vacuum, etc.) & Jones-Motorola made the big tach, but no speedometer.
     
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  19. Moriarity
    Joined: Apr 11, 2001
    Posts: 23,088

    Moriarity
    SUPER MODERATOR
    Staff Member

    I wondered the same about the car speedometers. I have a couple of Jones Motrola moon tachs. Should probably put one in my boat... F5B942B6-835C-4089-8E17-E24575E91740.jpeg
     
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