HDS Systems #23

Pi_is_blue

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May 13, 2003
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My NB35 finally arrived a few days ago, and it really is something special. Here's a comparison, left to right:

1. Peak Eiger Nichia 219b SW30
2. Emisar DW4 dedomed Nichia 519a 4500k (I'd estimate ~3200k after dedome)
3. Rotary NB35
4. Peak Eiger Nichia 219b SW40
5. DW4 dedomed 519a 5700k (slightly over 4000k after dedome)
6. Convoy M21F 4500k GT-FC40

IMG_1781.jpeg


The 219b SW40 used to be my overall favorite, but I think the NB35 dethroned it!
 

RCS1300

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Aug 31, 2012
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Stamford, CT
I am torn between two of the best, for me, HDS high CRI lights. I have two of each led. One rotary each and one Executive each and one of those executives is titanium.

The Nichia 219c 5700 200 lumen "high noon"
The Samsung 5400 300 lumen "high noon".

I like the slightly superior color rendition of the nichia "high noon" but I like the 300 lumens of the Samsung "high noon". I have found myself carrying the Samsung rotary daily for the last 18 months mostly for the lumens.
 

RCS1300

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Why are these common emitters $36 extra?

View attachment 29914

If I recall correctly, it goes to how the lights are manufactured. The LEDs have to be installed, there is a minimum cost per LED run, and with these emitters the runs are short. On the other hand, I believe there are two emitters HDS uses that have longer production runs so the cost per unit to mount the emitters is less.
 

kerneldrop

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If I recall correctly, it goes to how the lights are manufactured. The LEDs have to be installed, there is a minimum cost per LED run, and with these emitters the runs are short. On the other hand, I believe there are two emitters HDS uses that have longer production runs so the cost per unit to mount the emitters is less.

I thought I read that HDS reflows their emitters. Maybe not.
Nichia requires a sizable order qty to order direct, but there's reputable USA based resellers that other custom makers buy from.
 

Hogokansatsukan

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I thought I read that HDS reflows their emitters. Maybe not.
Nichia requires a sizable order qty to order direct, but there's reputable USA based resellers that other custom makers buy from.
For the standard configuration i.e. the 250 we get a ton... the others are ordered in small quantities. When we have them mounted, there is a lot charge besides being quite a bit more per piece as the number being mounted is relatively small. We have a pick-n-place company in Tucson do this for us. They also put together our electronics. They specialize in military contract electronics. The cost of having one panel (54) mounted is substantially higher per piece than having 20 panels (1080) mounted.
 

Dicaeopolis

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Nov 19, 2017
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I have a clicky that I use pretty much daily. It is my only HDS I use RCR123 in. I have noticed that it will turn on when it is just sitting by itself. I thought maybe the battery was low and that was a warning, but it was reading 4v. A few weeks ago I did change the setting to be able to do momentary on for first click and hold. I have the lumens probably about two thirds to high. Maybe it is a faulty battery. I was thinking about just going back to CR123, unless someone knows what is happening. Thanks.
 

LRJ88

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May 4, 2014
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Is anyone ordering from that one site with cutlery etc. that sells HDS in Europe? If so, have you been getting your Rotary SDR50 lights, or is it just a shift from Hogo to Henry weeks on the delivery of them?
 

WarriorOfLight

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Is anyone ordering from that one site with cutlery etc. that sells HDS in Europe? If so, have you been getting your Rotary SDR50 lights, or is it just a shift from Hogo to Henry weeks on the delivery of them?
I ordered a few times at kives and Tools. If the item you want is Green than it is shipped very fast. If it is in backorder than you need to wait until they have stock. For a HDS I really would wait till it is available, since they also needs to wait until they received their HDS order.
 

LRJ88

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I was mostly curious since it seemed like out of the lights that were previously en route some of them showed up as being available and some had a few weeks added to their travel time, if they'd managed to run out of those lights in that order completely and had them planned for the next instead. It's at least nice knowing we aren't looking at months worth of waiting time anymore.
 

LRJ88

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Hogo, i've been reading through a lot of the stuff regarding clips etc. on rotaries and their placement with the conclusion that you'd sooner get an honest politician than get the clip holes back on the main body. Henry seems to likewise be equally unhappy with people putting it under/over the reflector since that compromises the beam/water ingress security. All that being said, what would Henry's take be on making cutouts in the part of the reflector that sticks out between the reflector and head in such a way that a clip could be indexed/keyed into them and just be limited by the thickness of said part? Being at work and doing something that leaves you occupied but not busy isn't helpful, i'll submit a rough sketch as soon as i'm able to.
 

LRJ88

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EB077247-DA0D-44DB-8CD8-3B6869E59870.jpeg


You'll have to excuse the extremely crude sketch and the exaggerated dimensions on parts, but having experience with machining and prototyping i hope you'll see where i'm coming from, at least until i get hold of solidworks. Any kind of system to just use as a key or index for holding a clip in place would work, it wouldn't need to be more intrusive than a few notches or even some flat surfaces. Since people are already revving up their dremels it wouldn't be too hard for them to modify clips to fit that, alternatively that people just do this to their own reflectors if they aren't comfortable with the over/under reflector solution.
 

jon_slider

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Mar 31, 2015
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Dicaeopolis said:
I have noticed that it will turn on when it is just sitting by itself. ... I was thinking about just going back to CR123, unless someone knows what is happening.

A light that turns on by itself sounds like a switch issue, not a battery issue... I would replace the switch, not the battery.

Suggest you contact HDS for service.
 

turbodog

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Jun 23, 2003
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central time
Hogo, i've been reading through a lot of the stuff regarding clips etc. on rotaries and their placement with the conclusion that you'd sooner get an honest politician than get the clip holes back on the main body. Henry seems to likewise be equally unhappy with people putting it under/over the reflector since that compromises the beam/water ingress security. All that being said, what would Henry's take be on making cutouts in the part of the reflector that sticks out between the reflector and head in such a way that a clip could be indexed/keyed into them and just be limited by the thickness of said part? Being at work and doing something that leaves you occupied but not busy isn't helpful, i'll submit a rough sketch as soon as i'm able to.
Last time I checked, the material is still there for the holes to be drilled into. Shelf exists .41" back from edge of tube with plenty of meat to drill/tap 4-40 screw threads into. I've done this on several lights.
 
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