The two knobs on the back of the helmet vent

  1. #1

    The two knobs on the back of the helmet vent

    Anyone know what they are? are they a "found" item, or does someone have some casted up?


    I have something similar I whipped up, but they are a bit too large.

    They look like the "knurled" screw covers on the old time computer cases to me...

  2. #2
    Ripcode's Avatar
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    Re: The two knobs on the back of the helmet vent

    stonerook said:
    Anyone know what they are? are they a "found" item, or does someone have some casted up?


    I have something similar I whipped up, but they are a bit too large.

    They look like the "knurled" screw covers on the old time computer cases to me...
    I found something that looks close. I went to Lowes in the electrical section and bought some lamp sockets. The bakelite switches looked a lot like those parts in the helmet keyholes.

    Evan4218 has my helmet and those parts. PM him and see if he'll post a pic of them in the keyholes on my helmet.

  3. #3
    KidAkira's Avatar
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    Re: The two knobs on the back of the helmet vent

    I'm also trying to source those parts... Or something close....

  4. #4

    Re: The two knobs on the back of the helmet vent

    Ripcode,

    thanks for the lead! - will have to swing by and see what I can find.

  5. #5
    Ripcode's Avatar
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    Re: The two knobs on the back of the helmet vent

    I sent Evan4218 a PM. Hopefully he can post a pic soon.

  6. #6
    evan4218's Avatar
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    Re: The two knobs on the back of the helmet vent




    These are the what you are talking about. They are a special type of wire nut if I am not mistaken. Sadly the wire nuts at your local home depot are too large. (As were the ones that RIP sent me for his helmet) So I am casting some. I will post when I have them done.

  7. #7
    Ripcode's Avatar
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    Re: The two knobs on the back of the helmet vent

    evan4218 said:
    They are a special type of wire nut if I am not mistaken. Sadly the wire nuts at your local home depot are too large. (As were the ones that RIP sent me for his helmet) So I am casting some. I will post when I have them done.
    Wire nut? Has that been confirmed?

    You found something better than the parts I sent you? These I have to see!

  8. #8
    never_ending_fett's Avatar
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    Re: The two knobs on the back of the helmet vent

    stonerook said:
    Anyone know what they are? are they a "found" item, or does someone have some casted up?


    I have something similar I whipped up, but they are a bit too large.

    They look like the "knurled" screw covers on the old time computer cases to me...
    I was thinking something along the same lines...the post like screw thing that you use to screw in a monitor cable or a scsi cable to the back of the computer.

    so whatever they are are the glued onto the calculator circuit board?

  9. #9
    evan4218's Avatar
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    Re: The two knobs on the back of the helmet vent

    I will post more info on this sunday.

  10. #10

    Re: The two knobs on the back of the helmet vent

    Well, I went to Wally World and found light sockets that had the "bakelite" type switches on. (ripcode idea)

    About $2.67 USD.

    Snapped them off, put a little JB to make the dome top, (they had a flat top with a little concave surface) and tonight I will paint them up.

    They have the same length and width from what I can see on the pics, and with the dome, they are pretty close to looking like the prop knobs.


    I will be gluing mine straight to the circuit board with CA probably.

    All in all, they look good enough for my purposes!

    Thanks for the info guys!

    I thought perhaps they were wire nuts, but most nuts are flaired at the bottom, these are not.... Plot thickens lol

    (will post pics tonight)

  11. #11
    Ripcode's Avatar
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    Re: The two knobs on the back of the helmet vent

    stonerook said:
    I will be gluing mine straight to the circuit board with CA probably.
    How I had mine originally attached:

    Drill a tiny hole into the part (The hole is the size of a paperclip). Drill that same size hole into the circuit board where the part is going.

    Use CA to glue a length of paper clip into the part. Then glue the other end of the paper clip into the circuit board. This gave me a way to control how high the part sat off the circuit board and you could easily bend the part to get the correct looking angle.

    However... since Evan4218 has a hold of my helmet... this method may change...

  12. #12

    Re: The two knobs on the back of the helmet vent

    I failed to mention that,

    I always pin anything like this with clipped off nails/paperclips and drill holes,

    stuff is less prone to snap off like that.


    Works really good on resin model kits of people, I've dropped them, and where I had it pinned, it survived.

    However, unpinned items went spinning off into the carpet, never to be seen again....

  13. #13
    Ripcode's Avatar
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    Re: The two knobs on the back of the helmet vent

    stonerook said:
    I always pin anything like this with clipped off nails/paperclips and drill holes,
    Great minds think alike...

  14. #14

    Re: The two knobs on the back of the helmet vent

    Well, with the lead from Ripcode, I went to wally world and picked up two GE lamp sockets (52877) for $2.76 a piece.

    I ripped them out of the assembly:



    I added a few drops of JB weld to fill in the top, after it cured, I sanded it to the shape I wanted.

    Painted them up with red spray paint, then using dry brushing, put on the silver/chrome highlights.

    I then cut them a little pass the ridges, and added "pins" to them.

    Drilled two holes in the circuit board assembly, and used CA to hold them in place.

    I made the holes angled to the prop angles - makes it easier to mount.

    and this is what I came up with:





    I think they came out pretty darn close to the real thing!


    thanks for the help Ripcode - would of never thought to look at lamp assemblies for this.


  15. #15
    fettswatcop's Avatar
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    Indiana
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    Re: The two knobs on the back of the helmet vent

    great find!!! I'll be shopping this weekend.

  16. #16
    Ripcode's Avatar
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    Re: The two knobs on the back of the helmet vent

    stonerook said:
    thanks for the help Ripcode - would of never thought to look at lamp assemblies for this.

    Sweet! They look great! I knew they would!

    Evan4218 isn't using the ones I sent him... I gotta see what he is cooking up! (And he's making me wait until Sunday! )

  17. #17

    Re: The two knobs on the back of the helmet vent

    yeah...Justin( evan4218 ) is such a tease...

  18. #18
    Ripcode's Avatar
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    Re: The two knobs on the back of the helmet vent

    Gilmore of OK said:
    yeah...Justin( evan4218 ) is such a tease...
    You know it!

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