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Cheap simple tiny DIY iambic paddle

Discussion in 'Straight Keys - CW Enthusiasts' started by K2CAJ, Mar 7, 2018.

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  1. K2CAJ

    K2CAJ XML Subscriber QRZ Page

    I'm pretty psyched at how easy this was. It's just a bit from an old wiper blade, a clothespin, and some foil tape:



    No drilling, no screws, just making a bend with a pliers and soldering in three wires. You adjust sensitivity by layering the foil tape.

    That being said, I haven't really finished it. I need to fix it to a base, attach paddles (maybe guitar picks) and probably add a piece of tape so the wiper blade says in place. Still, pretty cool for a few minutes of bumbling, and I could get it assembled with a K2CAJ level of skill and patience.
     
    W4KYR and HB9FXW like this.
  2. N3HEE

    N3HEE Ham Member QRZ Page

    Clever. Trim the long ends flush with end of close pin ? Great source for spring steel. I find old street sweeper tines laying on the streets. They are great for projects requiring spring steel.
     
  3. K2CAJ

    K2CAJ XML Subscriber QRZ Page

    I ended up trimming the ends a bit longer and then epoxying on a couple guitar picks. It's screwed down to an extravagant marble base I got for $1.75 in a surplus store years ago---I never had any idea what I'd do with a 3" square of marble, and I'm not sure why I ever bought it, but getting into amateur radio has had me completely reevaluate my junk bin.


    IMG_3522.JPG
     
    AI6KX, W4KYR and KC3RN like this.
  4. N3HEE

    N3HEE Ham Member QRZ Page

    Nicely done ! You can never have too much junk lying around. ;)
     
  5. K8JD

    K8JD Ham Member QRZ Page

    I prefer a large heavy key/ paddle/ bug to use on the air. I got a mini straight key kit and found the little thing very hard to use.
     
  6. KL7KN

    KL7KN Ham Member QRZ Page

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    Some wire and a few screws. I've seen variations for Cootie keys and so on. I get a kick out of these kids of homemade keys - the Ham sprit lives on.

    Thanks for the photos and your time to post!
     
    K2CAJ and US7IGN like this.
  7. US7IGN

    US7IGN Ham Member QRZ Page

    [​IMG]
     
    KA5GEX, K2CAJ and KL7KN like this.

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