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View Results: keep original or like a change
original 3 60.00%
something different 2 40.00%
Voters: 5. You may not vote on this poll

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Old 06-15-2014, 06:04 PM   #1
tileman OP
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ktm 640 Adv fairing?

Hi all.

I've got a 640 adv and have replaced the rear end with one from a 05 smc. I prefer the look.

Thinking of making a new front fairing as well.

Hence I wondered what others who own one, have owned one, want one think and what they'd replace if with if they wanted to do it. The vast majority of 640 adv owners may choose to keep the original and fair enough, I'm just can't keep well enough alone and before I replace it with another bike I was asking around.

Since I'm 6'3" the screen doesn't really work that well. Its easy enough to make a longer screen with the standard fairing but I am considering changing it for something different, mounts and all.

Thoughts/opinions brains trust?
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Old 06-16-2014, 09:36 AM   #2
bmwktmbill
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T-man,

I'd extend the screen and widen the bottom to round out the airflow, think aesthetically.

Make something that bolts/attaches to the existing small screen.

The look of the 640a fairing is classically beautiful.

Being old school I always thought any motorcycle faring should remind you of a naked woman and all the best tank-fairing combinations do.

Just saying.
Guess it all depends on what you like?

This is beyond beautiful.



And this...



In the beginning a German created heaven and Earth...




b
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bmwktmbill screwed with this post 06-16-2014 at 10:30 AM
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Old 06-17-2014, 06:36 PM   #3
tileman OP
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Quote:
Originally Posted by bmwktmbill View Post
T-man,

I'd extend the screen and widen the bottom to round out the airflow, think aesthetically.

Make something that bolts/attaches to the existing small screen.

The look of the 640a fairing is classically beautiful.

Being old school I always thought any motorcycle faring should remind you of a naked woman and all the best tank-fairing combinations do.

Just saying.
Guess it all depends on what you like?

b
Thanks for your well written thoughts. In regards to airflow I have wondered for some time if part of the issue with any fairing either the original or some kind of rally version is the lack of low pressure air behind the fairing. I'll attempt to explain (I really hope this makes sense )

If a fairing is built in such a way that it blocks a large amount of airflow from the rider then the air that passes around it will try to fill a kind of vacuum that is created. For example a semi trailer creates a turbulent air pocket behind the trailer. Aerodynamically it is more efficient to have the rear more of a teardrop (however un-practical), I think this is nothing new.

Therefore with a fairing if the bottom (e.g. above the front wheel but below the lower fairing section) was more open (in the case of the 640 getting rid of the plastic that holds the speedo etc) then maybe there would be more low pressure behind the fairing and then the airflow that was passing around it wouldn't try and fill the gap as much, hence there would not be as much turbulent air affecting the rider.

Now this doesn't effect all riders, e.g. height girth helmet speed etc.

Now with the aesthetics the curved nature of the fairing is part that keeps such great lines for no better term. If the fairing was going to be changed it would need to be in the same vain.

In the end I started this as much as anything as I have a 640, I swap bikes for no other reason than I do, but it would work for everything I do and plan to pretty much, I'd like to (in my eyes) bring it a little forward in the design and hang onto to it as any bike I swap it to would end up in the same boat down the track anyway.

As you say the design is classical, been around some time and is iconic to the 640 adv. Maybe I need a good slap really, takers?
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Old 06-18-2014, 12:32 AM   #4
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It's just my opinion FWIW that the KTM Adventure fairing and the KTM PD fairing came out of a wind tunnel with emphasis on rider protection and engine/radiator heat dissipation.

I believe the fact that you can run either machine at 100mph and not get sucked off the seat backs my supposition.

As for my aesthetics, this is my favorite picture of Jane Fonda...

http://s95.photobucket.com/user/bmws...85714367233585

I think she looks Austrian.

b
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Old 06-18-2014, 05:58 AM   #5
Dirty3
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Hey Tileman,

Have you seen this in Oz vendors?

http://rallyraid.weebly.com/ktm-640-...-products.html

They look the goods and Aussie made to boot.

I'm 6'5 and I don't really notice the wind buffeting around me except my helmet but with a visor catches the wind, but my upper body is well protected by the standard fairing.

Neil.
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Old 06-18-2014, 07:38 AM   #6
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I have seen the carbon ones, although not in person. They look well made and quite functional, I think I want something thats different. I have never had a major issue as commented with the airflow, I'd like to try a few things thats all.

Had a few ideas today so I'll see where that leads.
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Old 11-23-2014, 09:01 AM   #7
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Hi Tileman, how did you go on your fairing journey? I've always had a soft spot for one that combines a std 640A bottom half with the top half being identical to the on on the 660 Rallye. How it works from the point of view of the rider I don't know. They're a bit rare - let's see if I can find a pic. Here we go.



http://www.ukgser.com/forums/showthr...=1#post1626880

and



from http://www.advrider.com/forums/showp...&postcount=122

I wonder if there's a mould in Oz? I doubt it.
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Old 11-23-2014, 09:16 AM   #8
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Quote:
Originally Posted by overlandr View Post
Hi Tileman, how did you go on your fairing journey? I've always had a soft spot for one that combines a std 640A bottom half with the top half being identical to the on on the 660 Rallye. How it works from the point of view of the rider I don't know. They're a bit rare - let's see if I can find a pic. Here we go.



http://www.ukgser.com/forums/showthr...=1#post1626880

and



from http://www.advrider.com/forums/showp...&postcount=122

I wonder if there's a mould in Oz? I doubt it.
there is
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Old 11-24-2014, 07:46 AM   #9
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there is
Ok spill the beans...
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Old 11-24-2014, 08:18 AM   #10
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Thumb

990sm (?) windshield- works for good for me (178cm)
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Old 11-24-2014, 11:12 AM   #11
tileman OP
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I have progressed with something different to standard, although its "quite" a bit different. I've got some parts on version 2 that suit what I'm after, just waiting on a screen to be sorted that I hope is going to be possible.

In the end one of the major issues I had was the same as the DL650 I had some time back being that the standard tank being as big as it it is forced me into a riding position that was quite un-comfortable. Its something considering how many of these bikes that have been sold that may be just a me wierdness but still.

Hence to solve that one the solution may be overall "quite" different.
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Old 11-24-2014, 01:04 PM   #12
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Quote:
Originally Posted by tileman View Post
I have progressed with something different to standard, although its "quite" a bit different. I've got some parts on version 2 that suit what I'm after, just waiting on a screen to be sorted that I hope is going to be possible.

In the end one of the major issues I had was the same as the DL650 I had some time back being that the standard tank being as big as it it is forced me into a riding position that was quite un-comfortable. Its something considering how many of these bikes that have been sold that may be just a me wierdness but still.

Hence to solve that one the solution may be overall "quite" different.
Well, show us some pics already!!??
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Old 11-24-2014, 02:31 PM   #13
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This works.
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Old 11-24-2014, 03:19 PM   #14
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Quote:
Originally Posted by tileman View Post
I've got a 640 adv and have replaced the rear end with one from a 05 smc. I prefer the look.
I wanna see!
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Old 11-24-2014, 04:32 PM   #15
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Originally Posted by overlandr View Post
Ok spill the beans...

http://www.advrider.com/forums/showt...=917119&page=3
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