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Thread: Atten, Tom Cotton and Tommo

  1. #11
    Join Date
    Jun 2001
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    Central Illinois, USA
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    I can cut you a PEEK blank, Cam,

    But its pricey.

    If you are going this far, why not hone away the last bit of wear?
    You might not feel it, but it will be daylight when you cut a disc. And daylight is hard enough to cure.
    *Ideally*, it should only be at the end of the idle screw. (Figured out how to cut the disc's notch?)

    I feel the domed thrust washer is essential. And its the hardest part to cut.
    (Linkerts and DLXs have a thrust collar at the bottom of the shaft.)
    Although PEEK is great for many things, if you are going to the trouble to cut one, why not use brass?
    It takes solder a whole lot better.

    And yes, I cut 'horseshoes' of course!

    .....Cotten
    PS: I just lathe-cut the manifold flanges on two HXs this morning, and now hope to get them honed before it snows,.. again.
    Last edited by T. Cotten; 04-13-2019 at 02:45 PM.
    AMCA #776
    Dumpster Diver's Motto: Seek,... and Ye Shall Find!

  2. #12
    Join Date
    Nov 2009
    Location
    Reynolds,ND/Queen Valley,AZ
    Posts
    129

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    Tom, Thank for the reply, LOL, I guess pricey is the name of the game in this hobby. You can PM me prices for blank and horseshoe if you like or post here your choice. Pretty sure I will break a sweat machining the air valve. Yes, I definitely plan to hone the bore on my Sunnen rod hone. It should not take much at all which is good. As for the domed thrust washer I will try and make one, I had thought they just floated but understand they will be soldered. Any idea on the diameter of the widest part, I have nothing to go by on that. Thanks again, Cam

  3. #13
    Join Date
    Jun 2001
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    Central Illinois, USA
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    All of my Scheb floats are $50, Cam!

    I'll have to review my scrap for 1.4"X.190" candidates before I can quote PEEK.
    (But it will be cheaper than https://www.mscdirect.com/browse/tn/...earchterm=PEEK)!
    You could use teflon, too...

    Cutting airvalve seals are elementary, compared to the evil thrust washers.
    I do them in one set-up, and part them off.
    (It makes it easier to roll-peen the nut, too.)

    Original thrust washers vary greatly, from ~1/2" to ~9/16", but I'm not afraid to put a little one in a big carb if its a sweet fit.
    The disc need a flat cut too, and that's when solder helps avoid more daylight.

    Got a radius-cutting tool post?
    Or cheat with CNC?

    ....Cotten
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    Last edited by T. Cotten; 04-13-2019 at 03:12 PM.
    AMCA #776
    Dumpster Diver's Motto: Seek,... and Ye Shall Find!

  4. #14
    Join Date
    Aug 2013
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    1 mile east of the Rocky Mountains.
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  5. #15
    Join Date
    Nov 2009
    Location
    Reynolds,ND/Queen Valley,AZ
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    Tom, Float price is certainly reasonable, put me down for one. And let me know on part for airvalve. I have no access to a CNC, I only have a few "period correct" old lathes. Also no radius cutter but can look for one or maybe improvise something. I will obtain enough brass to allow for the inevitable production of some "high grade scrap" until I get one right. Thanks, Cam

  6. #16
    Join Date
    Jun 2001
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    Central Illinois, USA
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    I've about twenty-five pounds of PEEK scrap, Cam!

    But very little is large enough (or I would have already used it..)
    I have a 1.420" by hack-sawed 3/8" for $20 if you want it; postage to ND with the float should be about $3.94

    Its a shame this forum's search function doesn't, because I thought this was discussed a long time ago..
    Measuring what is cut is difficult to reproduce.

    ....Cotten
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    AMCA #776
    Dumpster Diver's Motto: Seek,... and Ye Shall Find!

  7. #17
    Join Date
    Nov 2009
    Location
    Reynolds,ND/Queen Valley,AZ
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    Tom, That all sounds good. Let me know the particulars on payment etc. Note: I am still in AZ so it will be shipped here to zip 85118. As for a radius cutter, one can never have enough tools, right? Thanks, Cam

  8. #18
    Join Date
    Nov 2009
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    Reynolds,ND/Queen Valley,AZ
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    Quote Originally Posted by Steve Swan View Post
    Cam, i sent you a pm.
    I sent you a reply Steve.

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