Sorry, a technical difficulty in my mind.  I take a photo of my station periodically, usually when I change something.  I found the paddle in question, it was somewhat old when it was given to me.  It is *not* a hexkey, it has a trapazoidal base, narrower in back.  It does have the "yoke" arrangement of the BY-1 but it is more square-ish.  From the photo angle, I can't see if it had the spring looped around the post.

I also have a photo of my HexKey from Elecraft and it is *definitely not* a BY-1 mechanism.  I would still have it, and the $400+ wife spent on the ZN-SL single-lever for my birthday, were it not for my decreasing ability to manipulate the dual paddle with either hand.  It, and the two BY-1's I still have, were/are touchy to adjust.  I never became iambicized so I lost nothing going to the SL and regained the ability to send over 25 WPM.

I apologize for the mixup

73,

Fred ["Skip"] K6DGW
Sparks NV DM09dn
Washoe County

On 1/10/2018 11:49 AM, Lyle Johnson wrote:
[private]

Hello Fred!

I have a BY-1 as well as an Elecraft-branded Hex key.

The mechanisms on the two paddles I own are completely different.

The BY-1 uses a spring looped around a post for return force.

The Hex Key uses magnets for return force adjustments.  Unlike the BY-1, both paddle arms on the Hex key are independently adjustable for travel as well as force.

I agree with you that they botched it a bit by using coarse instead of fine threaded screws for adjustment, and on mine at least the magnets are not well-centered on the screws which makes the force adjustment even more difficult to fine-tune.

73,

Lyle KK7P

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