PD68 Review: Thorfire S70 - XHP70 Monster

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KawiBoy1428
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Huh, it wasn’t there when I last looked, don’t know if it’s on my end or BLF’s, but pic’s aren’t loading, or loading slow? Thanks, I see it now!

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pilotdog68
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bmcfiv wrote:
Does any here have experience with the Olight M3XS‑UT Javelot? If yes… how does the Thorfire compare in these categories:

Throw
Spill
Form Factor


Sorry I missed this question earlier.

I don’t have the Javelot, but my understanding is that they are totally different lights. The Javelot is more of a dedicated thrower, whereas the S70 is more of a mid-range light with a wide beam profile. I believe the S70 is much bigger than the Javelot as well.

My Favorite Modded Lights: X6R, S8 , X2R , M6, SP03

Major Projects:  Illuminated Tailcap, TripleDown/TripleStack Driver

bmcfiv
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Great, thx for responding pilotdog. Great review, I wish I had your knowledge.

bella-headlight
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Does this light require button or flat top cells (or either) ?
Also as I will have to buy new cells for this light as I presently don“t own any 26650“s any recommendations on good cells.

Ian

pilotdog68
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Short answer: button tops

My Favorite Modded Lights: X6R, S8 , X2R , M6, SP03

Major Projects:  Illuminated Tailcap, TripleDown/TripleStack Driver

bella-headlight
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Thanks for that pd.
Any recommendations on a cell.
If the Cometa group buy I am in also takes button tops then I will need to buy 4.
As both lights have low voltage warning & cut out features I imagine I don“t need protected cells.

Ian

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I’m not the best person to suggest a button-top 26650, I’ve never had one.

I plan to buy some of the Basen cells freeme is trying to start a groupbuy on, though I think they are flattops so I’ll add a button to one of them.

The Cometa should take flattops though.

My Favorite Modded Lights: X6R, S8 , X2R , M6, SP03

Major Projects:  Illuminated Tailcap, TripleDown/TripleStack Driver

cbrake10
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imrbatteries.com has the efest 3500mah batteries for $5 right now if you happen to be in the US.

-Clark

bella-headlight
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pilotdog68 wrote:
I’m not the best person to suggest a button-top 26650, I’ve never had one.

I plan to buy some of the Basen cells freeme is trying to start a groupbuy on, though I think they are flattops so I’ll add a button to one of them.

The Cometa should take flattops though.

Thanks for the info pd, they will be my first 26650“s also as at present I just have lots of 18650“s but would like to run the S70 & Cometa on 26650“s for the extra capacity (run time).

Ian

bella-headlight
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cbrake10 wrote:
imrbatteries.com has the efest 3500mah batteries for $5 right now if you happen to be in the US.

Unfortunately I am in the UK & think postage will probably kill the deal although I will have a look.
From what I can see good quality 26650“s are quite dear in the UK, probably the equivalent of around 14-18 dollars a cell !

EDIT:
Just checked shipping & the cheapest is over $50 dollars so it is a no go.

Ian

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Newly shaved LED

…………………..

Also, who knows how to do a resistor mod? Just throw on an extra sense resistor, or is there a way to dial it in with less guess-work? This driver has two R091 resistors in parallel and an extra empty slot.

My Favorite Modded Lights: X6R, S8 , X2R , M6, SP03

Major Projects:  Illuminated Tailcap, TripleDown/TripleStack Driver

freeme
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I have not tried that before. Bet it is a nerve-racking process. }:-)

pilotdog68 wrote:
Newly shaved LED

…………………..

Also, who knows how to do a resistor mod? Just throw on an extra sense resistor, or is there a way to dial it in with less guess-work? This driver has two R091 resistors in parallel and an extra empty slot.

1thedeals.comyoutubeAstroluxNealsgadgetsolight

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If I did it freehand it would have been more nerve-racking, but I used the centering ring as a guide

My Favorite Modded Lights: X6R, S8 , X2R , M6, SP03

Major Projects:  Illuminated Tailcap, TripleDown/TripleStack Driver

pilotdog68
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An update to the current readings: The first time I measured the highest mode was with my clamp meter on Panasonic BD’s at 4.1v, and I got 5.5amps. I just remeasured with the same meter on fully-charged Samsung 30Q’s, and got a max of 4amps. So something happened.

1. The driver is very inconsistent (unlikely)

2. I somehow mis-read the meter the first time (still pretty unlikely)

3. When I opened it up, re-wired, and shaved the LED, I messed something up (probable)

I just thought I would post this now in case other people start getting 4amp readings instead of 5.5amps.

My Favorite Modded Lights: X6R, S8 , X2R , M6, SP03

Major Projects:  Illuminated Tailcap, TripleDown/TripleStack Driver

Easyrr
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Isn’t the driver from that kind that pulls those batteries stronger that have higher internal resistence? Just like the Maxtoch BLF thrower.

jhalb
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I’ll need to purchase this light. Where can it be found?

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Freeme is currently doing a groupbuy on it for a great price, can also be found on Amazon.

My Favorite Modded Lights: X6R, S8 , X2R , M6, SP03

Major Projects:  Illuminated Tailcap, TripleDown/TripleStack Driver

martook
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jhalb wrote:
I’ll need to purchase this light. Where can it be found?

http://budgetlightforum.com/node/42364

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Easyrr wrote:
Isn’t the driver from that kind that pulls those batteries stronger that have higher internal resistence? Just like the Maxtoch BLF thrower.

You could very well be right, so I’ll add:

4. The driver is a buck, and doesn’t have to pull as much current because the 30Q’s are sagging less than the BD’s

My Favorite Modded Lights: X6R, S8 , X2R , M6, SP03

Major Projects:  Illuminated Tailcap, TripleDown/TripleStack Driver

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Thanks guys, I’m waiting for the code. This light is a good price and a real ball buster to be sure.
I should probably get two…

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RS.Freak bridged the Resistors and shaved the LED

he got 55.560Lux before and 108.400 Lux after the Mod (and a lot more Lumens)

-> his german review: http://www.taschenlampen-forum.de/threads/review-thorfire-s70-xhp70-led....

PLEASE NOTE
i do not work in "reviews, deals and codes" for the time being
maybe M4D M4X will return one day, but until then:

THANK YOU FOR YEARS OF YOUR SUPPORT AND FRIENDLY CONTACTS!

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M4D M4X wrote:
RS.Freak bridged the Resistors and shaved the LED

he got 55.560Lux before and 108.400 Lux after the Mod (and a lot more Lumens)

-> his german review: http://www.taschenlampen-forum.de/threads/review-thorfire-s70-xhp70-led....


Thanks for the tip Martin

…………………….

WOW!
If you haven’t gotten in on freeme’s groupbuy, do it.

First I bypassed both front/rear springs, then I re-did measurements of all modes with fully charged Samsung 30Q’s:

Low: 0.26amps
Medium: 1.28amps
High: 2.53amps
Turbo: 3.95amps

Then I took the driver out and simply dropped a blob of solder on some empty pads, bypassing the stock sense resistors, and remeasured with the same cells:

Low: 0.23amps
Medium: 1.29amps
High: 2.93amps
Turbo: 9.20amps

Now these are tail numbers on a buck driver, so the emitter isn’t seeing exactly that, but I would guess the emitter is probably getting about 8amps.

If you do this you will want to use top-rated batteries because the buck driver will pull even more as the cells go down. I’m also going to pot the driver because I am sure it is going to get very very hot in there.

My Favorite Modded Lights: X6R, S8 , X2R , M6, SP03

Major Projects:  Illuminated Tailcap, TripleDown/TripleStack Driver

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Could you take some pictures of the mods you did? I’m hopefully going to get this light and would like to be able to do these mods. Maybe some before and after pictures as well if possible. Thanks!

martook
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Yes, please take pictures of the mods, I have a ton of things to learn and pictures always help Smile

Also, any chance you could make some before / after beamshots? With such a big increase of amp draw, turbo should show some difference… Although I suppose it will hard to know what’s from this mod and what’s from the shave.

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Well I already potted the driver, so I can’t really get good pictures if it anymore, but I can maybe draw a picture of what to do, it’s very simple.

I only have the original beamshots I took of the stock light. I can take the modded light to the same place and do a new beamshot, but we don’t have snow anymore so that will skew it.

Sorry, before/after stuff didn’t cross my mind because I don’t normally do beamshots at all.

My Favorite Modded Lights: X6R, S8 , X2R , M6, SP03

Major Projects:  Illuminated Tailcap, TripleDown/TripleStack Driver

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What and how did you pot driver? Did you heat sink the FETs? Glop some thermal epoxy on? Inquiring minds need to know, how the pro’s heat sink buck driver’s?

KB1428 “Live Life WOT

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KawiBoy1428 wrote:
What and how did you pot driver? Did you heat sink the FETs? Glop some thermal epoxy on? Inquiring minds need to know, how the pro’s heat sink buck driver’s?

Whatever you think of my modding ability, I am the opposite of a pro at potting, mostly because I almost never do it. The only other times I’ve ever done it was for long-term physical durability, not heat.

I just know that buck drivers get very hot at high amperages, and I know that almost anything is better at moving heat than air. So I stuffed it full of Duct Seal. It’s probably terrible for this application, but still better than nothing.

My Favorite Modded Lights: X6R, S8 , X2R , M6, SP03

Major Projects:  Illuminated Tailcap, TripleDown/TripleStack Driver

Easyrr
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is there a way to mod this light in a slightly less aggressive manner? I mean no blobbing all the resistors together creating a huge hot rod but to exchange them for higher output but still descent battery time? Mine is on the way and I am already thinking of tuning it.
Thanks!

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Sure, you can add another resistor that has the same value. It should increase the current, though I don’t know the math so can’t say how much.

pilotdog68
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Try using the light first. Even in stock form it is very very bright. I would have also liked to de-tune it a bit from where I have it now, but I didn’t have any low value resistors.

My Favorite Modded Lights: X6R, S8 , X2R , M6, SP03

Major Projects:  Illuminated Tailcap, TripleDown/TripleStack Driver

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