BMW K bikes (Bricks)


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1Back to top Go down   RS windscreen Empty RS windscreen Mon Feb 05, 2024 8:02 pm

Jordan53

Jordan53
active member
active member
Is it possible to improve the protection from wind blast?
The windscreen does work, but only if I crouch down. Otherwise it is quite turbulent, felt mostly as noise.
I tried adjusting the small deflector at the top with little improvement.

Jordan


__________________________________________________
1989 K100 RS

VIN: xxx0149621
    

2Back to top Go down   RS windscreen Empty Re: RS windscreen Mon Feb 05, 2024 8:06 pm

Two Wheels Better

Two Wheels Better
Moderator
Moderator
Read this and perhaps it'll suit your needs:

Laminar Lip

I used one on my red RS for many years and kilometres. It may still be on the bike if Charlie99 likes it.

You can also search the forum's main page search box for other member's threads about windscreen height and the available options.


__________________________________________________
1977 R75/7-100, 1995 R100 Mystic, 1993 & 1996 K1100RS, 1993 K11/K12 Big Block, 2 x 1998 K1200RS, 2006 K1200R & 2009 K1300GT
    

3Back to top Go down   RS windscreen Empty Re: RS windscreen Mon Feb 05, 2024 8:22 pm

duck

duck
Life time member
Life time member
In my experience the factory deflector works best if tilted all of the way forward.

I've tried the K100RS Laminar Lip and it didn't seem any better than the factory defector - but I'm fairly tall: 6-2. (188cm)


__________________________________________________
Current stable:
86 Custom K100 (standard fairing, K75 Belly pan, Ceramic chromed engine covers, paralever)
K75 Frankenbrick (Paralever, K11 front end, hybrid ABS, K1100RS fairing, radial tires)
86 K75C Turbo w/ paralever
94 K1100RS
93 K1100LT
91 K1
93 K75S (K11 front end)
91 K75S (K1 front end)
14 Yamaha WR250R
98 Taxi Cab K1200RS
14 K1600GT
http://www.ClassicKBikes.com
    

4Back to top Go down   RS windscreen Empty Re: RS windscreen Mon Feb 05, 2024 8:25 pm

Two Wheels Better

Two Wheels Better
Moderator
Moderator
duck wrote:In my experience the factory deflector works best if tilted all of the way forward.
I've tried the K100RS Laminar Lip and it didn't seem any better than the factory defector - but I'm fairly tall: 6-2. (188cm)
It worked well for me at 5'9", but my pillion enjoyed it a lot, saying it didn't 'bobble head' her as much at Aussie motorway speeds - 100 to 110 kph.



Last edited by Two Wheels Better on Tue Feb 06, 2024 3:14 am; edited 1 time in total


__________________________________________________
1977 R75/7-100, 1995 R100 Mystic, 1993 & 1996 K1100RS, 1993 K11/K12 Big Block, 2 x 1998 K1200RS, 2006 K1200R & 2009 K1300GT
    

5Back to top Go down   RS windscreen Empty Re: RS windscreen Tue Feb 06, 2024 2:31 am

RS Rider

RS Rider
Gold member
Gold member
I’m 6’ and was disappointed with the Laminar Lip. I found it only marginally better than the stock air deflector tilted all the way forward, but still didn’t get rid of the noise caused by turbulent air no matter where I put it. I should also mention that I have C bars on my bike and a Corbin seat. The C bars do sit me more upright than stock RS bars.

I’ve had an AeroFlow on my bike for the last 2 riding seasons and am completely satisfied. Mine is the Standard size which is 7.5” taller than stock and 6” wider (3” each side). It also provides the added benefits of protecting the headlight glass and the forward-facing area of the fairing. It also keeps all the bugs off me.

They aren’t cheap, but I was extremely fortunate to have a fellow offer me his that he never used for only the cost of shipping from Idaho to Alberta.



RS windscreen 6jxKKO


__________________________________________________
1985 K100RS
    

6Back to top Go down   RS windscreen Empty Re: RS windscreen Tue Feb 06, 2024 8:03 am

Jordan53

Jordan53
active member
active member
Thanks for the reports.
I think I'll experiment.

Jordan


__________________________________________________
1989 K100 RS

VIN: xxx0149621
    

7Back to top Go down   RS windscreen Empty Re: RS windscreen Wed Feb 14, 2024 3:16 am

Jordan53

Jordan53
active member
active member
I made a simple flat deflector to try.
It adds 100mm vertically, following the shape at the rear of the original screen.
RS windscreen Deflec12
RS windscreen Deflec13


__________________________________________________
1989 K100 RS

VIN: xxx0149621
    

8Back to top Go down   RS windscreen Empty Re: RS windscreen Wed Feb 14, 2024 7:18 am

Dai

Dai
Life time member
Life time member
I'm 5' 10" and exactly that setup worked for me. I guess you've used alumin(i)um for the uprights: I used 15mm x 2mm stainless steel because that's what I had handy! You may find that the downside is the wind blast is no longer strong enough to remove rain from your visor. I also fitted naked bars which pushed me further back from the screen because the RS bars were too painful (I didn't know back then that I'd developed arthritis in my wrists - as a friend said: 'crash now, pay later').


__________________________________________________
1983 K100 naked upgraded to K100LT spec after spending time as an RS and an RT
1987 K100RT
Others...
1978 Moto Guzzi 850-T3, 1979 Moto Guzzi 850-T3 California,1993 Moto Guzzi 1100ie California
2020 Royal Enfield Bullet 500
    

9Back to top Go down   RS windscreen Empty Re: RS windscreen Wed Feb 14, 2024 7:46 pm

Jordan53

Jordan53
active member
active member
I'd heard about the loss of wind blast resulting in rain drops staying on your helmet visor.
A suggestion was to use some wetting agent to compensate.
I haven't tried my new extension yet - it's another rainy day.
That's good news that yours worked.


__________________________________________________
1989 K100 RS

VIN: xxx0149621
    

10Back to top Go down   RS windscreen Empty Re: RS windscreen Thu Feb 15, 2024 1:24 am

firstle

firstle
Life time member
Life time member
looks like the one i have on my LE velocette , works well at 45mph max  Crying or Very sad

    

11Back to top Go down   RS windscreen Empty Re: RS windscreen Thu Feb 15, 2024 1:54 am

jbt

jbt
Life time member
Life time member
Jordan53 wrote:I made a simple flat deflector to try.
It adds 100mm vertically, following the shape at the rear of the original screen.
RS windscreen Deflec12
I do not recommend adding such blades to the windscreen... they will slice you in case of frontal crash.
BMW paid attention to design the K's to avoid any source of injury caused by the bike itself. That's why, for example, the tank cap is not protuberant, there's a foam pad in the middle of the handlebar, and the fiberglass fairing can tear apart without creating any sharp pieces of plastic.


__________________________________________________
Let us enjoy the transient delight
That fills our fairest day.
    

12Back to top Go down   RS windscreen Empty Re: RS windscreen Thu Feb 15, 2024 6:15 am

Jordan53

Jordan53
active member
active member
Yes, but what about the wind roar?


__________________________________________________
1989 K100 RS

VIN: xxx0149621
    

13Back to top Go down   RS windscreen Empty Re: RS windscreen Thu Feb 15, 2024 7:29 am

Dai

Dai
Life time member
Life time member
@jbt: it's not going to cause a problem in the event of an accident that throws you over the handlebars. I accidently knocked my Mk.I version when turning around quickly in my garage and hit it with my forearm. It bent the upright; had I hit it a little bit harder I'm sure it would either have broken the Lexan screen or ripped the brass thread insert out of the fairing.


__________________________________________________
1983 K100 naked upgraded to K100LT spec after spending time as an RS and an RT
1987 K100RT
Others...
1978 Moto Guzzi 850-T3, 1979 Moto Guzzi 850-T3 California,1993 Moto Guzzi 1100ie California
2020 Royal Enfield Bullet 500
    

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