Logan QTC 17500 Adapter

Lumenz

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Nov 24, 2005
Messages
344
Location
Bay Area, CA
Will the adapter that eventually comes out for the Logan be something that stays in the flashlight and allows AA, CR123A and 17500 to be inserted into the light, or will it be a separate item that needs to be inserted or removed from the light whenever the battery type is changed?
 

Curt R

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Joined
Mar 22, 2009
Messages
486
There will be individual adapters for each size battery.
The 17500 battery is the only one that will not have an
adapter. You will be able to use AAA, 10440, AA, 14500,
CR123A, RCR123A and 17500 batteries in the same battery
compartment. For a total of three adapters.

The Logan head uses a solid optic and is the same diameter
as the body. The old Caribbean head with a 17 mm reflector
and the Mediterranean head using a 20 mm reflector can also
be used with the 17500 battery compartment. The direct
drive Rainier head with the P7 LED will also work.

This may become the best survival light to have when you need
something, and with the QTC a long run time even with a AAA.

One other battery compartment will work with the four different
heads, it uses 2 AA size batteries, limited to 3.5 volts total. Using two
14500 or two of the new 3 volt Lithium batteries would destroy the light.

Including the three metal types of Aluminum, Brass and Stainless, how
many combinations are there? Don't forget to mix and match head
and body materials. And the Rainier head requires a minimum of 3 volts.
:huh:

Curt
 
Last edited:

Beacon of Light

Flashlight Enthusiast
Joined
Dec 9, 2005
Messages
2,047
Curt when will Bob be getting these 17500 battery adapters to sell? I'm looking forward to owning a 17500 and the versatile battery inserts. Survival light is right and one of the reasons I am looking forward to it so much.
 

Curt R

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Joined
Mar 22, 2009
Messages
486
Limit the McKinley heads and all 5 mm LED heads to 3 volts
maximum, even then the life of the 5 mm LEDs are short.

Curt
 

manoloco

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Joined
Dec 29, 2006
Messages
690
Location
Lima, Perú
There will be individual adapters for each size battery.
The 17500 battery is the only one that will not have an
adapter. You will be able to use AAA, 10440, AA, 14500,
CR123A, RCR123A and 17500 batteries in the same battery
compartment. For a total of three adapters.

The Logan head uses a solid optic and is the same diameter
as the body. The old Caribbean head with a 17 mm reflector
and the Mediterranean head using a 20 mm reflector can also
be used with the 17500 battery compartment. The direct
drive Rainier head with the P7 LED will also work.

This may become the best survival light to have when you need
something, and with the QTC a long run time even with a AAA.

One other battery compartment will work with the four different
heads, it uses 2 AA size batteries, limited to 3.5 volts total. Using two
14500 or two of the new 3 volt Lithium batteries would destroy the light.

Including the three metal types of Aluminum, Brass and Stainless, how
many combinations are there? Don't forget to mix and match head
and body materials. And the Rainier head requires a minimum of 3 volts.
:huh:

Curt

This is what makes this flashlight so attractive to me, even if i dont mix and match the Logan with QTC 17500 compartment is extremely versatile WITHOUT having to exchange parts at all!, granted, without the adapters AAs will rattle inside when off but its not a problem.

My use would be primarily a 17500 for runtime, output, and recharging, and in case of emergency just put ANY AA in there.

I would beat ANY 123 light i have, my SF L1 is great, but its uncomfortable in my pocket, and the runtime limits it use, specially with rechargeables (not recommended btw) even though i have modded it with an XPG.

This slimmer light might be the ticket, with more runtime, more output, and smaller but easy to grip. the momentary also seems more reliable than my L1 switch.

I would still get the adapters because i have some RCR123 protected and some 16340 IMR around although i have read that IMR should be restricted to be used for less than a minute.

Curt, what output (lumens) could we expect from this Logan fed with a 16340 IMR and also compared to a regular protected RCR123 or a protected 17500?

Thanks for doing such interesting work on flashlights and not sacrificing reliability while innovating.

Mine is on the way.
 

Curt R

Enlightened
Joined
Mar 22, 2009
Messages
486
Started working on the adapters today. I'll make about 100
of each, that would be 500 parts total with 5 set-ups. I will
try to get them done as soon as possible between other operations
and tending the Emco lathe that is making Logan heads. After
the heads get done I'll do 17500 HA and SS bodies. There is also
the FR and SR heads that need to be put on one of the mills.

And then there is something special that I need to do some
experimentation on before I can announce it.:sssh: :) :popcorn:

Curt
 

manoloco

Enlightened
Joined
Dec 29, 2006
Messages
690
Location
Lima, Perú
That something special must be really interesting for you to be having such fun teasing us!

is that something special going to be compatible with current lights too? :popcorn:
 

jabe1

Flashlight Enthusiast
CPF Supporter
Joined
Apr 25, 2008
Messages
2,803
Location
Cleveland,Oh
I think I'll check my Paypal account.

Maybe I can get in some overtime at work.

I hope it is relevant to the mountain/ocean series!
 

sassaquin

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Joined
Mar 10, 2011
Messages
510
Location
Massachusetts
Hello Curt and Bob
I just ordered a Logan 17500 and am very interested in purchasing these adapters also. Could either of you post here when the adapters are available? Thanks.:)
 

Curt R

Enlightened
Joined
Mar 22, 2009
Messages
486
Plastic parts are now done. The copper contacts are up next.
Another day or so, and then into the mail.

Curt
 
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