The Malkoff Front Porch

etc

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Dec 19, 2004
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Northern Virginia
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I have the same complaint with Malkoff tailcaps - I really wish Gene would make a semi-shrouded version of his standard tailcap.

The shrouded versions are a safety thing, you don't want one of these turn on in your pocket and drain to zero when you most need it.
 

aznsx

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Apr 24, 2015
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Phoenix, AZ USA
You all get the email?
Yeah. Looks like some derating of SHO output level(s) v input voltage. Guess @timbo114 picked up on that yesterday, but I hadn't checked it out yet. Mine still looks the same (EDIT: meaning pretty darn good), but it's good that they want to get it right in the documentation. I respect that.
 

msr0407

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Nov 21, 2020
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Hi everyone, unrelated to the current topics but I am wondering if anyone can help with this issue. For some reason I can't get the VME head to work with the Lumens Factory bodies. The MDC heads work fine. Any ideas? Here are pics of the parts if it helps. Thanks!
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20230921_191652.jpg
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Sep 16, 2020
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If the body tube does not fully bottom out in some heads, the negative might not have a path to make it to the head. If the threads on the body and/or head are anodized, thread contact alone won't provide the pathway for the negative. Usually a tube with anodized threads and a bare surface right at the end will need to contact a bare surface inside the head for the circuit to complete.

IIRC, the inside of the VME heads are anodized, so the negative must contact the brass ring around the positive spring. It's possible the spacing isn't correct to allow for contact.
 

QMT93

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Jun 4, 2019
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Hi y'all,
Can I use the MDC TAC CR123 with AA or AAA in the 1CR123 body, similarly to the Streamlight 1L-1AA?
 
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Messages
967
Hi y'all,
Can I use the MDC TAC CR123 with AA or AAA in the 1CR123 body, similarly to the Streamlight 1L-1AA?
I don't believe a AA or AAA will fit in the CR123 body. The length of a CR123 is around 34mm. The AA is around 50mm and AAA is about 44mm. So the body is too short.
 

QMT93

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Jun 4, 2019
Messages
477
I don't believe a AA or AAA will fit in the CR123 body. The length of a CR123 is around 34mm. The AA is around 50mm and AAA is about 44mm. So the body is too short.
That's the trick up the sleeve of the Streamlight 1L-1AA. It can run a AA, a AAA, or a CR123, which makes me wonder if the MDC 1CR123 can do the same.
 

kerneldrop

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Apr 24, 2021
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That's the trick up the sleeve of the Streamlight 1L-1AA. It can run a AA, a AAA, or a CR123, which makes me wonder if the MDC 1CR123 can do the same.

As long as you can complete the circuit then you can get anything to work…stack enough washers and wrap with duct tape and you'll be full-sending lumens in no time
 

ilikeguns40

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Mar 8, 2022
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Dicaeopolis

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Nov 19, 2017
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275
3.7v li-ion 14500 will more than likely fry the TAC head considering max voltage is 3.2v

You would need this battery in the AA body to run the TAC head
That's right. Sorry. I knew there was a reason I quit trying that. I ended up putting an M31 on an AA body in a VME. I believe you can run a single 14500 with that. I think it is around 85 lumens or so on a single AA alkaline. The TAC will run on a AA NIMH, but won't get full power, but i did a time test on it before and it's not too bad.
 

LEDphile

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Mar 8, 2021
Messages
315
I ended up putting an M31 on an AA body in a VME. I believe you can run a single 14500 with that.
Nope. The M31 uses a boost converter, which means that the battery voltage must be lower than the ~3.2V of the LED. So a 14500 will fry the LED in an M31, but a CR123, or one or 2 AA batteries (a single L91 or a pair of NiMH work well) are fine. But for a 14500 in that same host, you could use an M61 (which uses a stepdown converter).
 

bigburly912

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Aug 12, 2015
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I have an MD2 with tricap tail and the smaller head that everyone goes nuts over that I'm not doing anything at all with. (Currently have an old surefire drop in in it just because I have a ton of 123s that need used.) Any recommendations? My 4L from the group buy a few years gets all the love around here. It's a shame I have no use for the MD2.
 
Joined
Sep 16, 2020
Messages
967
I have an MD2 with tricap tail and the smaller head that everyone goes nuts over that I'm not doing anything at all with. (Currently have an old surefire drop in in it just because I have a ton of 123s that need used.) Any recommendations? My 4L from the group buy a few years gets all the love around here. It's a shame I have no use for the MD2.
I'm relatively new to Malkoff and wasn't aware of a different smaller head. I'd love to see a photo of the light you're referring to.

But to answer your question, my most useful configuration of an MD2 was with an M61N and hi/lo ring. Also putting an M91T with two 18350s was a great compact high powered light.
 
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