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Old 04-06-2013, 08:09 PM   #31
Racegun
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Eek

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Originally Posted by PaperBoy View Post
Obviously TT made changes over the years to their Dual Headlight Units.

Here's some additional TT Dual Headlight info ...more like Simon's.

You can read the posts here: http://www.ukgser.com/forums/showthread.php?t=44512
I guess one has to join to see the pics?
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Old 04-06-2013, 08:23 PM   #32
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Awesome job Gram! Please show us some pics of light at night when done!

Krell... Thanks for that, I was just looking at those. I bought the Hella FF 200 if memory serves, put those on my then R12GS, and they were way way better than the stock R12GS lights. I bet those you show, placed where the Square OEM light is, would be just perfect.

Hey Guys, I was wondering about that big square light. Does anyone know if this light would fit in the OEM hole? here> http://www.rallylights.com/detail.aspx?ID=2509 or here >http://www.rallylights.com/detail.aspx?ID=4794

or here>http://www.rallylights.com/detail.aspx?ID=64

these should work... what do you all think? http://www.rallylights.com/Hella_200...Headlamps.aspx

plus there are many more. Ralley Lights rocks!
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Old 04-07-2013, 11:21 AM   #33
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UKGSr

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I guess one has to join to see the pics?
Yes, I hadn't thought of that. They have different levels of membership. I joined for free, but there's also a paid membership to UKGSer that gives you more privileges.
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Old 04-07-2013, 11:25 AM   #34
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Question

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Yes, I hadn't thought of that. They have different levels of membership. I joined for free, but there's also a paid membership to UKGSer that gives you more privileges.
thanks Paperboy... so can one still join for free and see the pics?
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Old 04-07-2013, 12:16 PM   #35
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UKGSer photos

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thanks Paperboy... so can one still join for free and see the pics?
I believe so, been so long since I joined. There aren't a whole lot of pictures on this particular thread. I'll try and post here, hope that isn't a no no. You should try joining anyway just for all the great info available on our bikes. They refer to AdvRider posts a lot and there's lots of sharing between the two forums. The UK guys are great people to ask advice from too. If you do a Google Search on Convert R1100GS to dual headlights you'll find a couple of their members are working on some of their own projects, however they seem to peter out in 2010.

http://www.ukgser.com/forums/showthread.php?t=240975

From the other thread, Post #3 Photo:



is a side by side of a black R11GS bike w/ and w/out the TT Dual Headlight. He really liked the TT and said he got twice the light, I didn't find that until I installed a relay harness to take more advantage of the lights actual potential. Like I said, this mod would probably help with the stocker too. I've read that many people install a direct relay harness on all their bikes. I'm thinking of doing the same on my old Chevy Pickup one day too.

Post 5 photo:




Unfortunately he doesn't have pictures of his modification to the Honda lights, just talks about it.

Post 21 photo:



Looks like an old TT Catalog pic. Looks a lot like mine. Not near my bike now or I'd take a better head-on photo.

Post 23 photo:



Don't know who makes the one in the Post 23, might be one of the earlier versions of the Wunderlich Dual (according to Post 24.)
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Old 04-07-2013, 12:34 PM   #36
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Quote:
Originally Posted by PaperBoy View Post
....



Don't know who makes the one in the Post 23, might be one of the earlier versions of the Wunderlich Dual (according to Post 24.)
wunderich version




here you go http://www.wunderlichamerica.com/mot...e/8230010.html

Part Number: 8230010
Price: $335.00
Not currently in stock.
Typical delivery: 2-3 weeks.

R1100GS: Wunderlich Dual Headlight Install and Review (w lots o' pics)
A forum just for this headlight http://www.advrider.com/forums/showthread.php?t=715933
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Old 04-07-2013, 12:52 PM   #37
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Honda Headlights in TT Dual Headlight Frame:

Okay, if you join UKGSer, you will probably be able to see the photos from this rider who put Honda CBR 400 headlights into his Touratech Dual Headlight frame. For those that are handy*, you could probably design your own frame, like I said, LoneStar put the dimensions and a diagram of the Wunderlich front plate on his GSpot thread on converting to W'lich set up. Here's the UK thread:

http://www.ukgser.com/forums/showthread.php?t=143129


* "If women don't find you handsome, they should at least find you handy." Red Green
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Old 04-07-2013, 01:42 PM   #38
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[QUOTE=krellheat;21130150]wunderich version

here you go http://www.wunderlichamerica.com/mot...e/8230010.html

I know that's the current model, but as LoneStar, in his install and review thread, points out that's Version III, meaning two versions were out prior to it. The thread from which I got this photo is over six years old. The W'lich 3.0 has only been out a couple of years if I remember correctly.
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Old 04-07-2013, 02:15 PM   #39
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Here's Mine

Here's a photo of my bike w/ the TT Dual Headlights, an R1150 beak and blue & white tank. Also has the TT oil color guard form a R1150GS. I've got Hella fogs (halogens), PIAA 540s and Motolights on the brake calipers with for Auxiliary lighting. The Hellas were great for filling in for the high beam before I put on the relay harness for the dual headlights. The dual headlights were just as bad as the stocker (until I did the harness upgrade) and I was straining to see in the dark. The PIAAs are great for offroad and the amber Motolights make a great triangle pattern with the headlights to give my bike visibility.




Speaking of twins (headlights and boxers), that's my Goddaughter, she's one of a pair, but we didn't have enough people to wrangle them into a pose with one in each pannier.
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Old 04-07-2013, 02:44 PM   #40
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PB... very cool! Why do you think the harness made a difference... the old one did not supply enough voltage?
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Old 04-07-2013, 03:08 PM   #41
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Voltage Drop Explained

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PB... very cool! Why do you think the harness made a difference... the old one did not supply enough voltage?
Yes!

Can't explain it myself, but did a Google search and this is from Daniel Stern Lighting Consultancy and Supply

"WHY USE RELAYS? Power for the headlights is controlled by a switch on the dash. This is *not* a great place to tap into the system, for two reasons: The headlamp switch uses tiny, high-resistance contacts to complete circuits, and the wire lengths required to run from the battery to the dashboard and all the way out to the headlamps creates excessive resistive voltage drop, especially with the thin wires used in most factory installations.
In many cases, the thin factory wires are inadequate even for the stock headlamp equipment. Headlamp bulb light output is severely compromised with decreased voltage. The drop in light output is not linear, it is exponential with the power 3.4. For example, let's consider a 9006 low beam bulb rated 1000 lumens at 12.8 Volts and plug in different voltages:
10.5V : 510 lumens
11.0V : 597 lumens
11.5V : 695 lumens
12.0V : 803 lumens
12.5V : 923 lumens
12.8V : 1000 lumens ←Rated output voltage
13.0V : 1054 lumens
13.5V : 1198 lumens
14.0V : 1356 lumens ←Rated life voltage
14.5V : 1528 lumens"

With the harness and relays all the power is going to the bulb, and the original switch is only used to fire the relays as I understand things. The difference between the bulb getting only 10.5V and one getting the rated 12.8V is pretty substantial, nearly twice the lumens at 12.8V. You can read all about it here: http://www.danielsternlighting.com/t...ys/relays.html
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Old 04-07-2013, 08:21 PM   #42
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The mechanical is all complete except for a cover like the wunderlich one.

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Old 04-08-2013, 11:18 AM   #43
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I am in the process modifying an old tt dual headlight systm with cbr 400 lights and HIDs. I will post pics as the project moves along.
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Old 04-08-2013, 03:16 PM   #44
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I am in the process modifying an old tt dual headlight systm with cbr 400 lights and HIDs. I will post pics as the project moves along.
Rich, that would be great!

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The mechanical is all complete except for a cover like the wunderlich one.
And I am looking forward to seeing the results. Also looking forward to what Graham comes up with as surrounds for his dual headlight project. They're looking good so far, did you take any pics of the build?

I'm glad I revived this post -- this is turning into a great resource for information on making our R1100GS headlight better. Some like as is, and many say they're better than the 11-fifties, but I just couldn't stand the output of the (non-relayed) stocker on low beam on a dark and stormy night. Might have to ask moderator to change thread title from "R1100GS: Anyone w/ dual or twin headlight" to "What have you done to increase output from your R1100GS headlight?" There's lots of threads on adding auxiliary lighting, but improving, modifying, or converting the bus headlight is what I was looking for.
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Old 04-08-2013, 03:50 PM   #45
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I had these TT dual headlights on my 1100GS years ago. They were disappointingly dim and when I changed the bulbs to ones with the same wattage but higher output, the plastic reflectors melted. I ended up putting the square headlight back in and upgrading the bulb with much better results. If I had the 11GS now I'd go HID on the stock headlight and add some LED driving lights.
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