Recent content by cujet

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    Old Olight SR90, upgrade to SBT90.2?

    Yes, the LED was failing prior to falling off. The perceived brightness declined by 75% AND it was producing a big donut beam. When new, the thing was perfect. In my estimation, the light lasted about 30 hours of use. When in use, it was generally on for drives around the airport, and down the...
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    Old Olight SR90, upgrade to SBT90.2?

    Here is a picture of the LED before it fell off due to overheating. Years ago, Olight repaired the light with (I think) a new LED. However, it fell off again. I'm going to order a SBT90.2 from Alibaba and driver. I'll try it.
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    Old Olight SR90, upgrade to SBT90.2?

    My old SR90's SST90 LED was losing performance and then simply fell off. It got so hot the solder melted. I sent it back for repair, and Olight did solder the LED back on, only to have it fail the same way again, within minutes. I like the light, despite it's size, as it runs on High for a long...
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    SR-90 "donut" beam pattern issue

    Update: After the Emitter completely failed, I sent the SR90 back to Olight in late May, they got it back to me sometime in August. I was gone the entire month, so I can't say exactly when. I suspect about 2 months turn time. Anyway, they clearly installed a new LED emitter in it. The glass...
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    Experimental Aircraft Landing Light

    I'm a pilot, A+P and engineer. I've installed the Whelen Parmetheus in both PAR 36 and PAR 46. I even recently purchased a Parmetheus plus (supposedly 40% brighter) Taxi light. All of them have been underwhelming. I'm not happy with the light output, of approx 1200-1700 lumens, depending on...
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    SR-90 "donut" beam pattern issue

    Well, the LED finally completely failed. After reading about VOC's and what happens under the silicone dome, I do believe the problem was classic VOC related degredation, possibly creating hot spots and eventual failure. The light came with a 5 year warranty, and it's still in warranty. We shall...
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    SR-90 "donut" beam pattern issue

    I wrote the tech support folks at "luminus" and this is what they said: "Based on the pictures you sent it appears that the emitter in your system is an SBT-90. It also appears that it is exhibiting a transitory issue that we have encountered previously. What is likely occurring is some...
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    SR-90 "donut" beam pattern issue

    So, it looks like my LED is going bad. Where do I get a proper replacement, how to select bin and so on? If I remember correctly, this is an SST-90 LED (or something similar) But the specs I look up are not even close to the SR-90 specs and color temp.
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    SR-90 "donut" beam pattern issue

    Thanks for the tip, I'm trying Imgur. Here is a shot of the LED on full bright, with a #9 gold colored welding lens over the beam. You can clearly see the odd pattern inside the emitter. And, the lines of internal LED's Here is what was said about the SST-90 LED when I purchased the light...
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    SR-90 "donut" beam pattern issue

    I will try to take a pic of the LED through the welding lens. Also a pic with it off. I don't have a photo hosting service. Can I upload the pics to this site?
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    SR-90 "donut" beam pattern issue

    Just a quick observation. I looked at the LED emitter with a shade 9 welding helmet. The center of the LED looks darker than the edges. Possibly I have a bad emitter. Any thoughts?
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    SR-90 "donut" beam pattern issue

    Update: Olight repaired the light and it functions very well now. It took couple of months for them to repair it, however, it seems they did a fine job. It clearly has a new emitter. I'm very pleased with the focus, as it no longer has a donut beam pattern. I have to say that I am quite...
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    LED Driving lights for a motorcycle

    I ride a KTM 380EXC (dirt bike) and do a good bit of night riding. I'm currently using an "Orion" dual 30W HID (MR16 size) and it's not good enough. They are not full sized HID's. Plus they flicker annoyingly at times. I've been looking at all of the above products and a few others. However...
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    Olight SR90 Intimidator (Phlatlight SST-90) Review: BEAMSHOTS, RUNTIMES and more!

    It's been 2 years since my SR-90 purchase. It's still as bright as ever. I give it quite a workout at the local uncontrolled airport. As we drive around on the golf cart and look for animals once or twice a week. The light seems to last a full hour on bright without any problems. I've never...
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    Beamshots: Fenix TK70, TK41 vs Olight SR90, M3X vs 24W and 35W HID!

    I've got the SR-90 and it's incredible. In fact, I took it up at night in my Cessna 177 and used it as a landing light. It's WAY brighter than the 2 stock Par 46, 4509Q, 100 watt halogen landing lights I have. The Cessna has a crank out window that allows the SR-90 to get a farily straight...
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