Author Topic: Laminar Lip for ST1100 OEM screen  (Read 2444 times)

Offline Garry_Coates

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Laminar Lip for ST1100 OEM screen
« on: December 20, 2020, 03:09:47 PM »
Hi,
    I am considering a LL for my stock screen which has been refitted for Summer after 185,000 km with a 535mm tall screen.  I have done some testing with the OEM screen and conclude that I need at least 125mm of upward flow to be worthwhile. So my questions are:

1. Where is the lip optimum placement on an OEM screen to reduce buffeting and provide a smooth laminar flow? Is that with the lip level with the standard screen or 1 inch above or elsewhere? Is this provided in the ST1100 instructions?

2. With the lip set in 1. will it then move the air flow up at least 125mm(5inches)?

I have communicated with laminarllc.com without success in getting this information.

Regards Garry
 

Online Shiney

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Re: Laminar Lip for ST1100 OEM screen
« Reply #1 on: December 21, 2020, 08:51:06 AM »
Hi Garry,

I had a Laminar Lip on my old 1990 ST1100.
It came with the bike and was awesome for me (I'm 190cm tall).

See the below pictures for the positioning of it on the bike :thumbsup

   


Cheers
Shiney

My Ride: 2023 ST1800   :thumb
OzSTOC #104   STOC# 8512   IBA # 59142
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Offline Garry_Coates

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Re: Laminar Lip for ST1100 OEM screen
« Reply #2 on: December 21, 2020, 10:56:20 AM »
Hi Shiney, I am 196 cm tall so very interested in your feedback. Can you confirm

1. Where was the LL was located? Looks about 1.5 inches (4cm) higher than the stoc screen? Was that by instructions provided or you testing different heights?

2. How much upward flow did this position create? Did the wind flow clear your helmet?

Regards
          Garry
 

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Re: Laminar Lip for ST1100 OEM screen
« Reply #3 on: December 21, 2020, 01:23:21 PM »
I see you can buy the Laminar Lip on eBay...

https://www.ebay.com.au/itm/HONDA-ST1100-Smoke-Laminar-Lip-Windshield-Extension-H2126S-/254411662563

For the extra $50 - $60 bucks, I think I'd rather go for the extra tall (22") screen from Bike-Quip as it looks, in my opinion, much sleeker and less like an add-on but I guess that's very much a personal choice...  :popcorn

https://www.st1300-accessories.co.uk/product-page/st1100-screens


        2005 Honda ST1300A
 

Offline Garry_Coates

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Re: Laminar Lip for ST1100 OEM screen
« Reply #4 on: December 21, 2020, 01:39:25 PM »
Thanks Rusty. I am pretty sure that ebay seller is Australian Motorcycle Components which retails the lip. I can get tall screens in Melbourne but will try lower screens as the ST feels better on corner entry. Being so tall the stock screen air flow hits my Helmet chin piece which is ok.

When I bought the bike new I was into travelling large distances at relativley high speed (120 Kmh+). I have used a 535 mm screen for 185,000 km. But now 25 years later speed limits are enforced and I am older. I am not really interested in doing more than 600km in day.

If I can get the lip to work I will only use it on long trips and winter. If I cannot then probably reduce the oem screen to 360mm for a summer use and get a new touring screen of 550mm from Screens for Bikes. 

Regards
           Garry
   
 

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Re: Laminar Lip for ST1100 OEM screen
« Reply #5 on: December 21, 2020, 02:30:37 PM »
Cheers Garry, you could very well be correct re possibly being AMC as they seem to be selling pretty much the same stuff...

Re the Bike Quip screens, although not cheap, especially taking in account the postage from the UK, they are a very high quality item.
I have one on my ST1300 and I'm happy to recommend them.
The owner of Bike Quip is actually a member on here too...  :thumbs

Anyways, whatever way you end up going, here's hoping you end up with the result you're seeking...

Cheers  :beer


        2005 Honda ST1300A
 

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Re: Laminar Lip for ST1100 OEM screen
« Reply #6 on: December 23, 2020, 06:59:44 AM »
Hi Shiney, I am 196 cm tall so very interested in your feedback. Can you confirm

1. Where was the LL was located? Looks about 1.5 inches (4cm) higher than the stoc screen? Was that by instructions provided or you testing different heights?

2. How much upward flow did this position create? Did the wind flow clear your helmet?

Regards
          Garry

Hi Garry,
Unfortunately I can't remember the exact setup as I haven't had the old ST1100 for 8 years now but your guess sounds about right :thumbsup

When I brought the bike the lip had already been set up by the previous owner so I don't know how he came to the decision to set it up at that height or if he had followed any instructions.

As for the upward flow, I do recall that when riding on the highway in the rain the rain went over my visor.

I hope this helps :thumbs

Cheers
Shiney
My Ride: 2023 ST1800   :thumb
OzSTOC #104   STOC# 8512   IBA # 59142
Find me in The Who's Who of OzSTOC!

I like shiney things :grin
One of the Dave, Dave, Dave and Duncan crew 8)
 

Offline Garry_Coates

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Re: Laminar Lip for ST1100 OEM screen
« Reply #7 on: December 23, 2020, 07:29:54 AM »
Thanks Shiney
           Regards Garry
 

Offline pricemob

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Re: Laminar Lip for ST1100 OEM screen
« Reply #8 on: December 30, 2020, 02:15:14 PM »
Hi Garry

I have been looking at the LL extensions for some time and finally bit the bullet in November and ordered one for my ST1100. It arrived today and although the add stated it would fit all models, that is not the case. I did some searching this morning and it appears that the earlier model ST1100 stock screens are narrower than the later ones and the later ones flare out at the top. Mine is a 2003 (ex police) and it flares out at the top, so the LL I received this morning wont fit. I have emailed the supplier (Australian Motorcycle Components) to discuss.
If you haven't ordered one yet, keep this in mind as there is a brand new one here in Cairns and depending on the outcome from AMC, they or I would be in a position to supply you with one if it is suitable for your bike.
I have attached a few photos of my screen and the LL screen measures approx 350mm inside to inside where it mounts to the stock screen.

Hopefully this helps
Peter

ST1100P
 

Offline Garry_Coates

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Re: Laminar Lip for ST1100 OEM screen
« Reply #9 on: December 30, 2020, 03:28:15 PM »
Hi pricemob,
            I just looked at partzilla and there is definitely multiple partnumbers for the windscreens: one for 1995 onwards, others before 1995. I haven't checked which the police models got. My 1995 flares out at the top with cats eyes. I think we will need clarification from AMC and/or the Laminar Lip company themselves as they claim it fits all years. Refer: https://laminarlip.com/st1100.php
The owner's photos show a motley collection of fitments so I wouldn't be surprised.

Are you saying that the lip is not wide enough to cover the entire screen at the top? I am betting they will tell you to live with it or buy the Laminar Windshield / LIP Combo. Pics from Shiney seem to show a narrow screen. Here is an example with someone who has the same problem: http://imagemeister.blogspot.com/2010/08/does-laminar-lip-fit-my-st.html

Regards
            Garry
« Last Edit: December 30, 2020, 04:00:40 PM by Garry_Coates »
 

Offline pricemob

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Re: Laminar Lip for ST1100 OEM screen
« Reply #10 on: December 30, 2020, 04:01:01 PM »
Hi Garry

the LL is too narrow for my screen. Its about 350 where it should fit and my screen is around 430.
I noticed that the LL site says fits all models, obviously not quite on the money. There are a few ST1100's left up here and I will have a look and see what their screens look like.
I am fairly sure the screen on the ST1100P is the same as the Pan European but will try and confirm.
The screen in Shiney's photo does look narrower than mine and doesn't have the flare.
Peter

ST1100P
 

Offline Garry_Coates

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Re: Laminar Lip for ST1100 OEM screen
« Reply #11 on: December 30, 2020, 06:02:37 PM »
Hi pricemob,
                 thanks for the reply. My OEM screen is atleast your size or bigger. It is possible that you have just been sent the wrong Lip. Either for the ST combo or a different model entirely. Did the item come with a partnumber attached? Was there any useful info provided with the lip like instructions or specification?

Regards
         Garry

 
 

Offline pricemob

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Re: Laminar Lip for ST1100 OEM screen
« Reply #12 on: December 30, 2020, 07:21:19 PM »
Hi Garry

The only part No/Model info on the package is
Honda ST1100 Stock windshield
PN H2126.
An A4 sheet came with the lip and there are instructions on the package as well. The mounting position is from level with the top of the windshield to a max of 1/3 of the lip above the top of the shield. From there it s trial and error using duct tape to hold in place while you go for a slow ride. It then goes into a bit of detail of how the screen should be cleaned and how to install the Dual Locks with the aid of a "buddy" for visual alignment. Nothing too complicated. It does say that "in mounting you may bend the LIP more open if needed" But bending it out by 80mm is a bit much and the Dual locks don't sit well. My interpretation of "more open" would be up to 20mm.
I will give AMC a call in the morning and let you know how I go.
The 430mm in my previous post is about where the LL would/should fit, however, the base of the side flare is about 467mm side to side.
Peter

ST1100P
 

Offline Garry_Coates

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Re: Laminar Lip for ST1100 OEM screen
« Reply #13 on: December 30, 2020, 07:35:35 PM »
Hi pricemob,
             this review gives some specs for the st1100 lip: https://ridermagazine.com/2009/06/22/laminar-lip-motorcycle-windscreen-extension-review/

"It is a long piece of clear, scratch-resistant acrylic, pre-curved to fit the ST, with a length of about 25 inches, a height of 4 inches". 25 inches (630mm) is roughly my OEM screen curve just above the cats eyes.

I note that AMC sells lips for aftermarket screens for the ST as well. Might be worth trying to get the dimensions for those as well. Then you can choose best fit.

Regards
           Garry
 

Offline pricemob

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Re: Laminar Lip for ST1100 OEM screen
« Reply #14 on: December 30, 2020, 08:11:52 PM »
Hi Garry

I will see what AMC have to say tomorrow.
Will let you you the result.
Peter

ST1100P