National Cycle V-Stream: Awesome, actually - Stromtrooper Forum : Suzuki V-Strom Motorcycle Forums
General V-Strom Discussion Talk about all things V-Strom not limited to just one of the above models

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post #1 of 30 Old 09-27-2009, 06:40 AM Thread Starter
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National Cycle V-Stream: Awesome, actually

I just wanted to throw in my 2 cents. I picked up one of these for a good price on Ebay. I figured it would be temporary until I could find something less hideous and I wanted it for a road trip.



Much to my surprise, when it's on the bike with a Madstad, it doesn't look bad at all! It helps if it's angle is not parallel to the bike's front end angle. When you're on it, the only time the shape of it is distracting is when it's raining or fogging, then the jaggedness is pronounced. But only from the driver's perspective.

Anyway, I've never ridden a Vstrom without a Madstad, but the windscreen my bike came with was even smaller than stock. I didn't have buffeting issues so much as I had turbulence issues. The wind force would push my helmet into my face in a way that would be uncomfortable after an hour or two. It was LOUD. I always rode with ear plugs, just because anything less and the noise would hurt.

The Vstream has no buffeting issues when you use a Madstad and the wind noise is severely cut down. In fact, the loudest things are now the engine and the roar of SUV tires when they're next to me. Also, tunnels. I can go sans ear plugs for most of the around the town driving. I'll put them in for extended freeway because of external noise, not wind noise.

I get the slightest bit of buffeting and overall noise when I'm doing 80mph-90mph blasts, but even then it's not even as loud as my previous setup was a 50 mph.

I can take my hand and "feel" the wind perimeter. It goes right over my head, gracing the top of my helmet a bit, and clears the sides of my head by maybe 4 inches. I'm 6 ft.

Overall, I'll say: less hideous in person. Very acceptable, even flows with the existing lines. Hey, the Strom wasn't the most handsome bike to begin with

Performance? Excellent. I'll have to try a Calsci someday to compare, but I don't imagine it getting much better.
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post #2 of 30 Old 09-27-2009, 08:32 AM
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Thank you for this post on first hand information. I have been looking and looking and reading on windshields and have yet to decide. It seems everyone thinks this is a good one, thought there is not a lot of information on THIS shield. Do you have pictures of your setup? What is your height?
Thanks
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post #3 of 30 Old 09-27-2009, 09:32 AM
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I run a Vstream as well, during the colder months up here in Maryland. Had a Madstad bracket with it, but didn't trust the sturdiness of it with the larger VStream. So I have the VStream mounted in it's highest setting on the front OEM windshield supports. Works well.

Kindest Regards,

-Will
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post #4 of 30 Old 09-27-2009, 09:44 AM
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Talking V-Stream on Madstad

Quote:
Originally Posted by willtill View Post
I run a Vstream as well, during the colder months up here in Maryland. Had a Madstad bracket with it, but didn't trust the sturdiness of it with the larger VStream. So I have the VStream mounted in it's highest setting on the front OEM windshield supports. Works well.

Kindest Regards,

-Will
I've had my V-Stream on a Madstad for over a year running mostly high speed interstate. No structural issues at all. the Madstad is very much up to the job.

Stan Henley

"Weef Strom-a-noff": 2007 Wee

Taiwanese Taxi Beads
Zuki tank bra
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Madstad
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Pat Walsh radar shelf
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Murph's 1" Lowering links
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post #5 of 30 Old 09-27-2009, 09:45 AM
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I've been saying this all summer, but some have to have stuff made in Germany (?) or use a expensive extra bracket, or the shield has to cost at least $300 or more???? These actually look better on the Strom than many others, they work well, but they are taller than stock, if you aren't tall this may not be for you. Mine is mounted in the second set of holes and I'm not sitting up straight, but my torso is more or less normal, just my arms and legs are long. cheers--BB

2012 Wee
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post #6 of 30 Old 09-27-2009, 06:54 PM
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So, do the jagged edges serve some aerodynamic purpose, or is that just to create a "Flash Gordon" look?

Thanks for the review ...
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post #7 of 30 Old 09-27-2009, 11:01 PM
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So, do the jagged edges serve some aerodynamic purpose, or is that just to create a "Flash Gordon" look?

Thanks for the review ...
I'm no aerodynamics engineer, but the first time I saw a picture of the V Stream, I thought the "points" may make some vorticees which would smooth things out. I thought that's what they were for until I read about the bar/ mirror clearance.

OP: thanks for sharing - this screen (and the calsci) have been on my short list for a while now.
post #8 of 30 Old 09-28-2009, 05:54 AM
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Quote:
Originally Posted by steve68steve View Post
I'm no aerodynamics engineer, but the first time I saw a picture of the V Stream, I thought the "points" may make some vorticees which would smooth things out.
Quite the contrary. Sharp, angular edges cause turbulence. Of course, theory doesn't mean squirt if it happens to work for you, which it apparently does for Mr. OompaLoompa!

-d
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post #9 of 30 Old 09-28-2009, 07:50 AM
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Quite the contrary. Sharp, angular edges cause turbulence. Of course, theory doesn't mean squirt if it happens to work for you, which it apparently does for Mr. OompaLoompa!

-d
Understanding you can't give me a four-year degree in a few words, why do some sharp, angular projections cause turbulence, and others cause vortexes? ... or is a vortex classified as turbulence (which would make sense if the only other choice is "laminar flow")?

IAC, my understanding is that a vortex smooths things out (more than random turbulence would, anyway) because the spin gives it some stability - makes it act sort of like a "cone of laminar flow."

...oh, and yes, I do realize how stupid I sound.

I noticed that this shield doesn't lie in one "curved plane". There's a bump which seems designed to throw air out to the sides at the first zig-zaggy part. I wonder if riders can feel a stronger "column" of air coming off at that point (which would be near the bar ends).
post #10 of 30 Old 09-28-2009, 08:27 AM
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The 'bump' in the VStream also helps increase the rigidity of the shield. I can't vouch for its primary purpose, just that it works well. Running my hand around it at speed, the air coming off it is clean right until it mixes with the air coming off the morrirs. Then, it rolls and tumbles.... Removing the mirrors results in a turbulence-free ride in all but the worst dirty air. IMHO, the root cause of the infamous 'buffeting' issue is the mirrors, not the windscreen, but neither one alone solves the problem.
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