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Speedy11(at)aol.com Guest
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Posted: Thu Oct 15, 2009 4:10 pm Post subject: XeVision HIDs |
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Dan,
Please accept my apology. I thought XeVision was part of Lopresti. It was the LoPresti booth that I was referring to at SnF. Perhaps they marketed their own lights.
Sorry for the mistake. Let me reiterate that, from my study of various lighting systems, the XeVision product appears to be an excellent product.
I looked up the Precise Flight bulb after I emailed - it is Osram. I will likely change to a different color temperature when I change the power supply to 70W, but I will stay with the quality brands you recommended.
Stan Sutterfield
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Quote: | Stan, my name is Dan (Male).
Your comment is rather "interesting" in light of the fact that we have NEVER had
a booth at Sun N Fun, in fact we (nor I or any employee) have never even attended
Sun N Fun. So I am not sure how we could have been rude to you or anyone
else at "our booth".
Precise Fight uses Osram (Sylvania) brand D1S HID bulbs for their 35 watt applications.
This bulb is made in Germany.
Dan
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XeVision
Joined: 07 Oct 2009 Posts: 26 Location: Ogden, Utah
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Posted: Thu Oct 15, 2009 6:23 pm Post subject: Re: XeVision HIDs |
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Accepted,
Lopresti does market HID. It is called "Boom Beam"
Very unlikely 70 or 75 watt HID will ever be offered to the Aviation Public or light aircraft by XeVision or anyone else. A 600 watt incandescent equivalent light output is WAY "over the top" for light aircraft. 50 watt HID is about equal to 450 watt incandescent. 35 watt HID about the same lumens as 200 watt incan.
Optimal color temp for HID is 4000-5500 Kelvin. As the 4200K bulbs (as you have) age from new they color shift towards 5000K. This takes 50-100 hours burn time to occur.
What is wrong with the color output you have ???
Dan
[/quote][quote="Speedy11(at)aol.com"]
Dan,
Please accept my apology. I thought XeVision was part of Lopresti. It was the LoPresti booth that I was referring to at SnF.� Perhaps they marketed their own lights.
Sorry for the mistake. Let me reiterate that, from my study of various lighting systems, the XeVision product appears to be an excellent product.
I looked up the Precise Flight bulb after I emailed - it is Osram.� I will likely change to a different color temperature when I change the power supply to 70W, but I will stay with the quality brands you recommended.
Stan Sutterfield
Do not archive
[quote]
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_________________ LED still has a long way to go to compete with HID as a landing light. This is true in terms of total lumens and reach (distance). |
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longg(at)pjm.com Guest
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Posted: Fri Oct 16, 2009 7:17 am Post subject: XeVision HIDs |
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Forget about all this wattage stuff, I'm going straight to FLIR. There is a lower cost Exp solution available now. As technology improves and the price comes down, we become more stealth.
http://www.flir.com/cvs/americas/en/aviation/products/evsx/
Actually my best night landings are usually with the landing light off so as not to distort ground effect.
Glenn
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Speedy11(at)aol.com Guest
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Posted: Sat Oct 17, 2009 5:29 pm Post subject: XeVision HIDs |
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I agree that the 4000-5500K range is ideal because it is closest to "daylight," but I always like the "slightly "bluish" color temp of my Audi TT HIDs and that is likely what I will change to next time. As I recall those are about 6500K. I know the 4200K bulbs produce the most light, but my eyes like the blue tint. I do like the brightness of my lights - a number of people have asked me about them. The wig-wag LEDs add to the overall effect.
I was unaware of the color shift on the 4200K bulbs. I only have 20 hours on them, so I'll watch for the change. I may like them better after the shift.
Stan Sutterfield
do not archive
Quote: | Optimal color temp for HID is 4000-5500 Kelvin. As the 4200K bulbs (as you have)
age from new they color shift towards 5000K. This takes 50-100 hours burn time
to occur.
What is wrong with the color output you have ??? |
[quote][b]
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XeVision
Joined: 07 Oct 2009 Posts: 26 Location: Ogden, Utah
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Posted: Sat Oct 17, 2009 6:38 pm Post subject: Re: XeVision HIDs |
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If your car came with HID stock and you have not changed your bulbs to Chinese bulbs, there is no way your car has 6000 or 6500K bulbs.
All cars come from the factory with 4200K bulbs. Your headlight projector may be making it look bluer.
The highest DOT legal bulb color is 5000 to 5400K. These bulbs do not come in new cars but are for replacement only to match an older aged bulb color that has color shifted. Philips offers a 5000K, GE a 5100K and Osram a 5400K. Those are the highest color bulbs legal in the USA for autos. All cars in the USA come with 4200K bulbs.
The only TRUE 50 or 75 watt bulbs currently being made are about 4000K.
We have tested many of the Asian made (including Korea) bulbs, some TRY to handle 50 bulb watts but none do it very well. As for 70 or 75 watt, Only the Germans have a track record or results with that bulb power level.
| - The Matronics AeroElectric-List Email Forum - | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
http://www.matronics.com/Navigator?AeroElectric-List |
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_________________ LED still has a long way to go to compete with HID as a landing light. This is true in terms of total lumens and reach (distance). |
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Speedy11(at)aol.com Guest
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Posted: Sun Oct 18, 2009 6:38 am Post subject: XeVision HIDs |
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Interesting info from a subject expert.
Thanks,
Stan Sutterfield
PS - the 2000 TT was stock HID.
Quote: | If your car came with HID stock and you have not changed your bulbs to Chinese
bulbs, there is no way your car has 6000 or 6500K bulbs.
All cars come from the factory with 4200K bulbs. Your headlight projector may be
making it look bluer.
The highest DOT legal bulb color is 5000 to 5400K. These bulbs do not come in new
cars but are for replacement only to match an older aged bulb color that has
color shifted. Philips offers a 5000K, GE a 5100K and Osram a 5400K. Those are
the highest color bulbs legal in the USA for autos. All cars in the USA come
with 4200K bulbs.
The only TRUE 50 or 75 watt bulbs currently being made are about 4000K.
We have tested many of the Asian made (including Korea) bulbs, some TRY to handle
50 bulb watts but none do it very well. As for 70 or 75 watt, Only the Germans
have a track record or results with that bulb power level. |
[quote][b]
| - The Matronics AeroElectric-List Email Forum - | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
http://www.matronics.com/Navigator?AeroElectric-List |
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XeVision
Joined: 07 Oct 2009 Posts: 26 Location: Ogden, Utah
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Posted: Sun Oct 18, 2009 12:27 pm Post subject: Re: XeVision HIDs |
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According to my research your car has D2S bulbs. Most likely Philips but also possibly Osram brand. If those are the original bulbs you should consider to replace them. They are 9 years old and likely producing only ~70% of the original lumens. That is unless you have driven very little at night over the years. after 2000 hours of (on time) use you should consider to replace the bulbs. You will notice a brightness difference but your old ones will be at ~5000 K while new bulbs at 4200K.
Dan
| - The Matronics AeroElectric-List Email Forum - | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
http://www.matronics.com/Navigator?AeroElectric-List |
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_________________ LED still has a long way to go to compete with HID as a landing light. This is true in terms of total lumens and reach (distance). |
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