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Single String Headless Tuner Design

I am working with the machinist to figure out a few small details, and it may take a week or two to get everything lined up. I am planning on pulling the trigger on a fairly significant number of them so that I have plenty on hand for anything I wish to use them for. The run will be 25% "silver" and 75% black. I will post updates once I get them in hand, and I would like to express my profound gratitude to everyone who has participated in or followed this thread.
 
These are excellent, and in the spirit of design ideas i have. Recently i have been a little obsessed by the idea of headstock mounted direct-pull tuners, of course these would need to be very narrow, so your design would work well mounted on a small tilt-back headstock of a conventional bass. Tuning by hex key is good for leverage, precision, compactness and lightness, and because thumb screws can be difficult to get a grip on when they're mounted close together, i had a Hohner Steinberger copy that became diificult to tune for that reason.
The only place i have seen heastock mounted direct-pull tuners is on this double-sided bass inspire! instruments

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I have had a bass on loan to me from Michael for a week or so. The bass is equipped with his tuners, the tuners that are the topic of this thread. Man, these tuners are great. No other way to say it. They adjust easily, they hold a tune... perfect. One thing I don't think most people get is just how tiny the tuners are, check out the pics I have laid a quarter, a nickel, and a dime next to the tuners to give an idea. When it is time to pull the trigger on my dual course I will certainly insist on these tuners.
Rondo
 

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I have had a bass on loan to me from Michael for a week or so. The bass is equipped with his tuners, the tuners that are the topic of this thread. Man, these tuners are great. No other way to say it. They adjust easily, they hold a tune... perfect. One thing I don't think most people get is just how tiny the tuners are, check out the pics I have laid a quarter, a nickel, and a dime next to the tuners to give an idea. When it is time to pull the trigger on my dual course I will certainly insist on these tuners.
Rondo
Thank you so much! Considering the fact that these tuners were originally designed for the dual course build you and I have been discussing that is great news!
 
Any more info on these?
I'm eager to know too! :D
I assume you mean is there an update on getting the production run machined. Unfortunately I am still waiting for the machinist to get back to me with a cost and ETA. I am hoping to have more information by Monday or Tuesday of next week.

I'm curious, especially in light of the small size, could these be used at the top of the headstock.
They are .375" wide and about 1/2" high, so I expect that they would work. For a five string you would need 1.875" of width to mount them, and a four string would need 1.5". I personally like 1.5" wide nuts for my five string basses, so they would not work well for me in this configuration.
 
I had another conversation with the machinist yesterday and am now awaiting a quote so that I can determine what quantity is reasonable for my order. It would be nice if I could afford to pickup up a sizable number of them to have on hand for the foreseeable future, but it will depend on the per unit cost. I expect that the anodized versions will be a bit more expensive than the plain silver ones. I am requesting quotes for both aluminum and stainless steel. Hopefully this week will get the "paperwork" out of the way and I can get an ETA on the production run.
 
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I am waiting on raw materials costs to be provided to the machinist, and then he will get me an official quote. My brother-in-law's shop has committed to producing these for me, and fortunately it's not a one time deal. I can buy what I need when I need them, with appropriate lead time of course, and not have to make a huge initial order. If the stars align I will be able to get the proverbial trigger pulled this week, and soon I will have actual units in hand.