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Thread: Battle in the woods II: SR51 vs. Firefox I vs. Fire Fox III

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  1. #1
    Flashaholic* ma_sha1's Avatar
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    Buttrock Battle in the woods II: SR51 vs. Firefox I vs. Fire Fox III --NEW FF4 info. added!

    Round II of battle for compact King of the Woods.
    (See original thread of battle in the woods I here:
    http://www.candlepowerforums.com/vb/...-Throw-vs-HIDs)

    The Lights:

    1. SR51:
    Since this is for battle of the compacts, I didn't want to bring in anything bigger than FF1. For the size, SR51 is the best LED thrower & is nearly identical shape & size as FF1. My SR51 scored 56,000 Lux@ 1 meter, more than CPF reviewed 40Klux & a German flashlight forum reviewed 50K lux. This is a super performer.
    Amazingly, the throw is from an OP reflector, making the spot much bigger & thus more useful in the woods than small spot led throwers.


    2. Firefox 1:
    Still World's smallest 35W HID, This is the ringing champion from battle in the woods I. This is from small custom run in 2009 before Firefox turned into a business & made much bigger FF2.
    More details of this light here: http://www.candlepowerforums.com/vb/...5W-amp-40W-HID


    3. Firefox 3:
    World's smallest 40W HID, only available in China & the latest masterpiece from fire-fox creator shinetop.
    This is insanely small for full power HID, I didn't think it's possible to make a full power HID smaller than FF1, Shinetop did it again. Custom ballast is wrapped around the reflector & thus takes no room , the height is pretty much reflector/bulb sitting on top of 4x18650 battery rack.



    FF1 & SR51 fit perfectly in SR51 Box:


    Opening the box of FF 3, the feeling is unreal!


    Group Photo:




    Fire-fox 3 Photo Shoot with my Point & Shoot camera:





















    Ceiling Bounce:
    SR51 115 kux
    Fire-Fox I: 235 lux
    Fire-Fox III: 505 Lux
    Last edited by ma_sha1; 02-28-2013 at 01:27 PM.
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  2. #2
    Flashaholic* ma_sha1's Avatar
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    Default Re: Battle in the woods II: SR51 vs. Firefox I vs. Fire Fox III

    Reserved.

    Battle ground is the Woods in the back of my house. Chopped bunch of trees to open up 200-250 feet. My saw a bear came to our yard. Logs are at about 130 ft, stacked as Bear barrier to stop "polite" bears

    Zoomed in, Big tree in the center is exactly 200 feet, the second tree, left from the center is about 250 feet.




    Beam Shots are up:
    Manual Exposure
    ISO 200, F3.3, 1" Exposure

    SR 51


    FireFox 1



    FireFox 3


    SR51 Zoom


    FF1 Zoom


    FF3 Zoom
    Last edited by ma_sha1; 05-30-2012 at 06:27 AM.
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    BVH's Avatar
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    Default Re: Battle in the woods II: SR51 vs. Firefox I vs. Fire Fox III

    Let's see those beam shots! I's got to be dark by now. I discovered there are up to 18 FFIII's available in other than China.
    WWII 60" Anti Aircraft Carbon Arc (Sold), Short Arcs: 1.6KW NightSun, 1KW VSS-3A, .8KW TrakkaBeam, 600 Watt M-134 Gun Light, 500 Watt X-500-14s, 500 Watt Starburst, 300 Watt Locators, Megaray, 150 Watt Set Beam & Communicator, Maxabeam Gen3, LarryK14@52V

  4. #4
    Flashaholic* ma_sha1's Avatar
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    Default Re: Battle in the woods II: SR51 vs. Firefox I vs. Fire Fox III

    Sorry , I spent whole evening at my table saw trying to make a SMO reflector for SR51...

    DX SST-90 SMO reflector vs. SR51 OP:


    Side View


    Finished SR51 SMO to the right


    Unfortunately, it didn't work out as I thought, I got 40Klux with the SMO, all the grinding has made the surface not as shiny. Epic Fail for all the efforts
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    Flashaholic* ma_sha1's Avatar
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    Default Re: Battle in the woods II: SR51 vs. Firefox I vs. Fire Fox III


    Improving upon FF3.


    The great FF3 also has a flaw, it has a loud high pitch sound. especially at start up, this is 5-10x louder than PWM whine that some times audible in PWM control flashlights.

    No one will get lucky & get a quiet FF3, this is because FF3 ballast is not potted.

    Edit: The whine is fixed in later production lights

    Here is the head opened up & ballast exposed:


    I potted the space between the double deck boards, arround the center opening hole. Hopefully, this will cut down the noise significantly.

    I also added a Mylar heat shield collar (car exhaust wrap, heat resistant to 2000F). This should reduced the heat radiated down from reflector and delay the thermo kick-down. (Stock FF3 can only run about 8 min before thermo kick-down to reduced power running at only 24W.). I want the light to be able to stay at 40W longer.
    Last edited by ma_sha1; 10-07-2012 at 05:35 AM.
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    Flashaholic* Lips's Avatar
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    Default Re: Battle in the woods II: SR51 vs. Firefox I vs. Fire Fox III

    Love the double mod ma shaw!

    Did it work?



    Kinda loud was a complaint I saw and also the lens is not AR coated. Can you get to lens, is it a standard size?



    How do you figure they got such a large increase in power output from version I to III. Around 7 watts more power in Ver III and yet 235 lux vs 505 lux. Any ideas? I do believe the ballast was redesigned...


    Ceiling Bounce:
    SR51 115 lux
    Fire-Fox I: 235 lux
    Fire-Fox III: 505 Lux

    .

  7. #7
    Flashaholic* Lips's Avatar
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    Default Re: Battle in the woods II: SR51 vs. Firefox I vs. Fire Fox III

    Quote Originally Posted by ma_sha1 View Post

    Here is the head opened up & ballast exposed:


    I potted the space between the double deck boards, arround the center opening hole. Hopefully, this will cut down the noise significantly.

    I also added a Mylar heat shield collar (car exhaust wrap, heat resistant to 2000F). This should reduced the heat radiated down from reflector and delay the thermo kick-down. (Stock FF3 can only run about 8 min before thermo kick-down to reduced power running at only 24W.). I want the light to be able to stay at 40W longer.





    I have some regular automotive ballast that are potted in standard epoxy resin. They are modified to go from 30 watts to 115 watts to bulb. At 115 watts the epoxy will tend to melt after some time. 85 watts they are fine all day long. Not sure what epoxy would do for sound but probably a permanent mod though!





    .

  8. #8
    Flashaholic* mvyrmnd's Avatar
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    Default

    Quote Originally Posted by ma_sha1 View Post
    Thanks, Lips!
    It did work for the sound but only a little bit, still pretty audible, especially at start-up.
    If it gets too much for you, I'll take it off your hands

  9. #9
    Flashaholic* ma_sha1's Avatar
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    Default Re: Battle in the woods II: SR51 vs. Firefox I vs. Fire Fox III

    Quote Originally Posted by mvyrmnd View Post
    If it gets too much for you, I'll take it off your hands
    Hahaha, my friend, you are too kind, I can't let you bear this burden
    Last edited by ma_sha1; 05-28-2012 at 04:17 PM.
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    Flashaholic* mvyrmnd's Avatar
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    Quote Originally Posted by ma_sha1 View Post
    Hahaha, my friend, you are too kind, I can't let you bear this burden
    It's a bullet I'm willing to take!

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    Flashaholic* archimedes's Avatar
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    Default Re: Battle in the woods II: SR51 vs. Firefox I vs. Fire Fox III

    Any mention of a release date for this ( 24-60W switchable! ) FF4 ? ...
    Last edited by archimedes; 02-04-2013 at 07:28 AM.
    IF 2 = 1 THEN 1 = 0

  12. #12
    Flashaholic* ma_sha1's Avatar
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    Default Re: Battle in the woods II: SR51 vs. Firefox I vs. Fire Fox III

    No dates, he mentioned need a few more month for development.
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    Default Re: Battle in the woods II: SR51 vs. Firefox I vs. Fire Fox III


  14. #14
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    Default Re: Battle in the woods II: SR51 vs. Firefox I vs. Fire Fox III

    Count me in for the FF4 group buy!
    SPY 007 XM-L2, BVH 150w Vec192 HID, Gen III Maxabeam, Barn Burner, FireFox III, Mac's Customs 3840L & Damascus/Cu/Al Tri-EDCs, ma_sha1 FrankenMag, Drake, MF Scorpion 4x XM-L2, Tri-219 EYE10, XP-G2 X10

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    Default Re: Battle in the woods II: SR51 vs. Firefox I vs. Fire Fox III

    I'll probably be in for one too, sounds sweet!!
    ampdude

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