Recent content by FBsLights

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    Is there a brighter, drop-in bulb for 2-3 C/D Mags (that runs on the same voltage)?

    FM, Please provide more info on these bulbs. Bi-pin? Voltage? Current? etc I may be interested in them for a simple 4D or 4C. Thanks, FB
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    Sold/Expired *Final sale* $12.50 aspherical lenses

    Re: *Final sale* ALL MOST GO Glass Lens & Paypal sent for another lens. Thanks, FB
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    Sold/Expired *Final sale* $12.50 aspherical lenses

    Re: *Final sale* ALL MOST GO Glass Lens & Paypal payment sent for one lens. Thank You! FB
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    Philips L-Prize LED Bulb 93.4 lumens/watt - 910 lumen output

    The philips link says "Commercially available February 2012" in the Product Page link. I wonder how much $$ they will start at? This may be the bulb I've been waiting for but I'm scared of the price tag! FB
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    HOW DO I KNOW WHEN I OWN TOO MANY CELLS?

    How do you charge your cells to 40% (3.8V)? Do some chargers have a storage mode that only charges them to that level? FB
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    P7 LED driven by Buck driver and 4 x Li-ion 18650 cells in series

    This is a very big project for a first timer. You said that it is working with one P7 but not as bright as you thought it should be? Do you have a way to measure the current in to the LED? Now that you have a power source (car battery) and the driver is switching modes, you can hook two P7...
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    P7 LED driven by Buck driver and 4 x Li-ion 18650 cells in series

    I'm a little confused by what the goal here is. Placing 4 P7 LEDs in parallel and driving them with 3A total isn't much brighter than putting two P7s in parallel and driving them with 3A total. The P7 is spec'd to 2.8A, so would handle 3A with proper heatsinking, so one p7 driven at 3A would be...
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    Does WARM LED replace your Incandescent?

    I've tried a few "warm" emitters, including the high 90+ cri XPG. All I've tried have been too warm. They appear either brown or yellow compared to a good, hard driven incan. The warm emitters I tried were around 3000K. The emitter I have that appears the closest in color was technically tinted...
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    64458 6D Mag build... WOW!

    The A123 cells are very low resistance. The 64458 is 90W at 12V. At these voltages, it is >150W. That is enough power to get things HOT fast enough. You need a FET with a nice low Rds ON and high power handling. The part I used is rated to 75 Amps with an Rds of 0.009 ohms. If you are not...
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    64458 6D Mag build... WOW!

    BG, I live near Portland and have some of the cells that are discussed here. Maybe we are close enough to meet and you could borrow cells for testing. PM sent. FB
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    64458 6D Mag build... WOW!

    Battery Guy, I've read many of your battery tests/reviews and would not question your battery expertise! I have tested the batteryspace 3.3AH LiFePO4 cells and they do have more voltage sag than the A123 cells, but still performed OK. For best performance, it will be hard to beat the A123...
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    64458 6D Mag build... WOW!

    The cap across the drain to gate of the FET is a good way to do (negative feedback) it but with a bulb like the 64458, you have to be careful because the power dissipation in the FET during the soft-start turn-on can be HUGE! You wouldn't want >1sec soft-start. I got the A123 cells from ebay...
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    64458 6D Mag build... WOW!

    Suddenly a lot of interest in this thread. I'm using the Throwmaster VLOP head and it makes a great beam. There is so much output that it has great throw and flood. The filament is huge so the larger 3" head may have more throw. In my build, I used (6) A123 LiFePO4 cells in a 6D. The fit is...
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    Best quality Mag reflector replacement?

    I have a few Mag reflectors that I've tried with the ROP bulbs. I have the FM BiFocal, FM Deep SMO, FM Deep VLOP, FM 2.5" Throw Master, KD SMO, and KD OP. Of these, I recommend the FM Deep VLOP. It is by far my favorite with the ROP high. The Throw Master is very good but is big and expensive...
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    Little help with a 8D maglite

    Check out fivemega's "My Products" link at the bottom of his post. He has sockets and reflectors. Highly recommended. FB
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