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spartan lite upgrade. 1132

Jr. Member Posts: 82
Re: spartan lite upgrade.
« Reply #25 on: March 07, 2019, 09:37:18 PM »
1 battery mod is easy enough. Just bend the negative contact from the LED to touch the door contact. I have one that's bypassed like that for extra dim light.

Bend it over the battery (or side) if you want to keep one as spare.
Could you post a pic, as I'm trying to figure out the best way to bend it?
Thanks

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Craggus2000

"If it ain't broke, break it and make it better!
Sr. Member Posts: 393
Re: spartan lite upgrade.
« Reply #26 on: March 09, 2019, 05:40:52 AM »
Look like I modded it again after to use the other cell, but moved the switch side positive contact instead (outside of the red switch 'channel':



This way it works with 1 battery in either location. A spare can be carried, but MUST face the same direction (+ side up) or it will short when the switch is turned on.



Bend the negative tip up to touch the door contact. Make it go over the battery IF you want to store a spare batt there. I did not do that, just bent the neg contact up to touch the lid contact and could only use the outer battery location like that.

If you don't want to make it permanent, just stick a small ball of foil in there to make the contact. Just means you can't carry a spare.




Both lites are ON:


Light from my monitor about 2' away overpowers the light about 1' away from the wall.

Full Member Posts: 106
Re: spartan lite upgrade.
« Reply #27 on: March 09, 2019, 07:20:27 AM »
Glad it worked. Such a simple mod and it makes the tool soo much more usable. I feel like the light is very overlooked.

I put one in an explorer instead of the mag. It might be my favorite toolset.

No Life Club Posts: 4,196 Apparently it is possible to have too many tools;)
Re: spartan lite upgrade.
« Reply #28 on: March 09, 2019, 04:43:00 PM »
It is pretty common to run "3V" LEDs on 2 x 3V button cells in series, look at any "Fauxton" as an example.  When in use not many 3V button cells will supply a full 3V for very long, and over-driving the LED does give a lot more light.

Most reasonable quality LEDS will survive being over-driven for short(ish) periods.  They might not last the usual 40-50,000 hours, but that isn't a serious problem for most people.

If you want an LED that will work OK on one 3V battery look at yellow or red LEDs, these seem to work better on lower voltages than white LEDs.
« Last Edit: March 09, 2019, 04:44:45 PM by gregozedobe »

babola: "Enjoy your tools and don't be afraid to air your opinion and feelings here, but do it in courteous and respectable way toward others, of course."
Sr. Member Posts: 393
Re: spartan lite upgrade.
« Reply #29 on: March 09, 2019, 06:52:03 PM »
Glad it worked. Such a simple mod and it makes the tool soo much more usable. I feel like the light is very overlooked.

I put one in an explorer instead of the mag. It might be my favorite toolset.

I haven't modded the LED just yet!  I gotta order some for future builds...

And I agree with you on the Lite modules...I'd like to put one in almost every mod.  I have lots of Spartan Lites for donors. One with the new clear case, a few with the newer '12+ gray case and several with the original '04 type.
Jr. Member Posts: 82
Re: spartan lite upgrade.
« Reply #30 on: March 11, 2019, 10:39:34 PM »
I don't know why I didn't think of this before, but to use one battery you don't need to change anything apart from have both batteries facing positive upwards! No wire bending required.

 :facepalm:

The conductor on the door effectively uses the metal of the second battery as a conductor so only the battery nearest the led is actually used. The one furthest away isn't used as the negative is not connected to anything so that's the spare one.

Bingo, 3v instead of 6v.  :2tu:

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Craggus2000

"If it ain't broke, break it and make it better!
Sr. Member Posts: 393
Re: spartan lite upgrade.
« Reply #31 on: March 12, 2019, 09:34:48 PM »
I don't know why I didn't think of this before, but to use one battery you don't need to change anything apart from have both batteries facing positive upwards! No wire bending required.

 :facepalm:

The conductor on the door effectively uses the metal of the second battery as a conductor so only the battery nearest the led is actually used. The one furthest away isn't used as the negative is not connected to anything so that's the spare one.

Bingo, 3v instead of 6v.  :2tu:

 :D

Always nice when the light comes on!

 :tu: :tu:
Sr. Member Posts: 393
Re: spartan lite upgrade.
« Reply #32 on: March 12, 2019, 09:41:38 PM »
And just for those interested in the dates and history, The new case shows up in '12 , but the newer brighter LED shows up in '13 and the clear one I have is dated '17.
Absolutely No Life Club Posts: 7,508 Man of Multiple MultiTool Manufacturers
Re: spartan lite upgrade.
« Reply #33 on: March 12, 2019, 11:04:15 PM »
I don't know why I didn't think of this before, but to use one battery you don't need to change anything apart from have both batteries facing positive upwards! No wire bending required.

 :facepalm:

The conductor on the door effectively uses the metal of the second battery as a conductor so only the battery nearest the led is actually used. The one furthest away isn't used as the negative is not connected to anything so that's the spare one.

Bingo, 3v instead of 6v.  :2tu:
Awesome! :like:


Pontificating particularly pious positions pertaining to polymorphic paraphernalia. G-Man.
Newbie Posts: 9
Re: spartan lite upgrade.
« Reply #34 on: March 14, 2019, 02:07:11 AM »
I don't know why I didn't think of this before, but to use one battery you don't need to change anything apart from have both batteries facing positive upwards! No wire bending required.

 :facepalm:

The conductor on the door effectively uses the metal of the second battery as a conductor so only the battery nearest the led is actually used. The one furthest away isn't used as the negative is not connected to anything so that's the spare one.

Bingo, 3v instead of 6v.  :2tu:

Hi fellas,

So I have a Spartan Lite that I would like to mod as well.  I have plenty of 3.6v LED's to work with.  My question is more how to get the whole thing apart.  Do I have disassemble the entire knife to get at the LED bulb?  I've never taken apart a SAK before and it seems daunting.  Also, if I understand correctly I pretty much just have to flip the rear battery around and now the LED is running off just one battery and now there is a spare?  Thanks for any and all clarifications! 
Full Member Posts: 106
Re: spartan lite upgrade.
« Reply #35 on: March 14, 2019, 03:51:25 AM »
You have to take it apart to change the led.

One thing ive been thinking about. I wonder why victorinox hasn't done this themselves. Really they could keep eveything the same and change the led to a higer mcd and it improves the utility of the flashlight. The tool set doest have to change.

From what i have read of reviews of the spartan lite most complaints are weak light, and expensive batteries. I wonder if the batteries would seem so expensive if the light worked better..

Id like to see.
Climber lite
Compact lite (this was a mod I did)
Explorer lite
Sr. Member Posts: 393
Re: spartan lite upgrade.
« Reply #36 on: March 14, 2019, 04:40:22 PM »
You have to take it apart to change the led.

One thing ive been thinking about. I wonder why victorinox hasn't done this themselves. Really they could keep eveything the same and change the led to a higer mcd and it improves the utility of the flashlight. The tool set doest have to change.

From what i have read of reviews of the spartan lite most complaints are weak light, and expensive batteries. I wonder if the batteries would seem so expensive if the light worked better..

Id like to see.
Climber lite
Compact lite (this was a mod I did)
Explorer lite


The newer Lites starting sometime in '13 *are* brighter! I posted about that earlier. Not super bright, but definitely brighter than earlier models.

I agree with your suggestion for more models with the lite module.  There is sort-of a Climber lite with the late model Traveller (and older Voyager), but it also comes with electronic scales.  I love mine and do use them on trips.

I have a tendency to want Lites on larger models too. I modded a Troubleshooter with a Lite and think they should make a Champion and Champ Lite too.  I like my CT lite, but it's missing both saws and I think a CT41 Lite would be too big.  I'm working on another mod now that will be pretty big and include a lite.
Jr. Member Posts: 82
Re: spartan lite upgrade.
« Reply #37 on: March 15, 2019, 10:46:50 PM »
So I did the led mod a few days ago to fit in to a sak mod I've just finished (more on that in a few days  >:D ) and the results are astounding!

The 2 pics below were taken in an otherwise pitch black room. I forgot to take 'before' pics, but needless to say the original led was like a p***hole in the snow.

Also the new led runs on 1x 3v battery so I can carry a spare within the lite module now  :woohoo:

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Craggus2000

"If it ain't broke, break it and make it better!
Newbie Posts: 9
Re: spartan lite upgrade.
« Reply #38 on: March 16, 2019, 01:26:52 AM »
So I did the led mod a few days ago to fit in to a sak mod I've just finished (more on that in a few days  >:D ) and the results are astounding!

The 2 pics below were taken in an otherwise pitch black room. I forgot to take 'before' pics, but needless to say the original led was like a p***hole in the snow.

Also the new led runs on 1x 3v battery so I can carry a spare within the lite module now  :woohoo:

Wow, that is phenomenal!  So I really want to do this mod on my spartan lite.  I have plenty of LED's  (I work on circuit boards used in music equipment)  but I have never taken apart a SAK before.  Do I need parts to reassemble the knife?  From the little research I've done it seems I will need to drill out the brass pins.  Thanks in advance for the help!
No Life Club Posts: 2,340
Re: spartan lite upgrade.
« Reply #39 on: March 16, 2019, 02:38:41 AM »
Wow, that is phenomenal!  So I really want to do this mod on my spartan lite.  I have plenty of LED's  (I work on circuit boards used in music equipment)  but I have never taken apart a SAK before.  Do I need parts to reassemble the knife?  From the little research I've done it seems I will need to drill out the brass pins.  Thanks in advance for the help!

Nope, you don't have to disassemble it. I think every part of the LED light can be accessed by removing just the battery cover.
Full Member Posts: 106
Re: spartan lite upgrade.
« Reply #40 on: March 16, 2019, 02:58:48 AM »
Unfortunately I think this incorrect (at least on my model). You cannot remove the led without taking apart the housing as the led lip is secured by the housing...ie. you need to remove the pins to seperate the housing to change the led.

Newbie Posts: 9
Re: spartan lite upgrade.
« Reply #41 on: March 16, 2019, 04:09:31 AM »
I agree,  there appears to be no way to get the LED bulb out without taking the knife apart.

 

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