I already expressed interest in Post #41 but I just wanted to add that if the price is right, I may want as many as three units. Iām curious when we will get more details here.
Hank said about a week, that was only 4 days ago. Feels longer lol.
Looks good definitely interested
Also, as others have said, a 21700 sized tube would be better, if it can be pulled off in a reasonable time. It would have better aesthetic proportion with the head and it would allow much more capacity (up to 5000mAh ATM). 18650 cells would still fit, maybe with a thin sleeve.
Maybe Iāll make myself a 21700 tube as an experiment on the lathe at workā¦.BITDā¦I had access to materialsā¦ano servicesā¦
Make something, drop it in a batch going out, get it hard coated
Billet hard coated socket set holder
Interested. Extremely interested. 
Got my first D4 just a few days agoā¦ time to fuel my growing Emisar habit even more.
Interested.
I am interested
In for 2 when this gets going.
I really need a smooth green D1S
You really do Chinooker, you actually owe it to yourself. 
I want a D1S+ with 21700.
After some more test, we decide not to provide the D1S+ due to the issues below:
1. With the D1S original driver, when you use the 3.6V cell, you can get 320kcd without a doubt.
2. But when to limit the driver current, the driver simply can not give desired 5A current
to the LED, thus the LED is either over-driven more than 5A, or under-driven below 5A.
That is why we are not able to offer D1S+, sorry for the problem and initial hype.
But we will still offer this LED on the Noctigon MCPCB.
Regards,
Hank
Ouch
Bummer
That is unfortunate Hank, but I still want to thank you for the update on the issues. It is why you are a valued member of the community and a vendor Iām happy to support when possible.
Thatās a shame, Iām very picky about the lights I buy these days and this was one I was definitely keen on.
Nevertheless, thanks for trying and for providing the update. Maybe I will just buy one of these LEDs and try using it in something else.
Thatās sad to hear. Maybe you can work with Lexel or Richard at Mtn to develop a 5A regulated driver?
Can you let us know what tint and flux bin of this LED and if you can sell the centering rings to us? Many would love to mod our own D1S with this emitter. Thanks.
Ouch!
Guess I will have to order another D1S and make my own. Is anything over 5 amps concidered over driving this LED?
Really wish someone would make a centering ring. Hoping Hoop will get them going soon. The demand could bring a decent price. Iād be willing to pay a couple bucks each for a few.