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Discussion Starter · #1 ·
I am trying to determine what the wind protection characteristics of a Dart on a Bonneville are. I am mainly concerned with helmet buffeting. I would rather put up with the strong, but consistant wind blast than buffeting. Can any of you using a Dart comment?
Thanks.
 

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You will experience a constant windblast on your face with a fly screen.
No buffeting.
I have one on my bike.
It only keeps a bit of wind away from the chest.
 

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Dart: Thumbs up

Evenin',

I do a mix of highway and back-road riding and have yet to experience buffeting at any speed. Perhaps it's mental, but I think you can feel the increased force on your head, but it's a constant force; your head doesn't bob around in the slipstream at all.

Cheers!
 

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Dart

I am 5'9'" and my experience is no buffeting of the head and little wind from the center of my chest down to the tank. I find it takes just enough pressure off your body and still you get the effect of a naked bike.
 

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Evenin',

I do a mix of highway and back-road riding and have yet to experience buffeting at any speed. Perhaps it's mental, but I think you can feel the increased force on your head, but it's a constant force; your head doesn't bob around in the slipstream at all.

Cheers!
My experience is very similar. The blast feels very smooth. But that little screen does a good job cutting thru the windblast. I can cruise for hours at 70-75mph, it would have been tiring without it.

However, I had trouble getting the dart+headlight to stay put where I wanted to, if I tried to put the flyscreen in a more vertical position , the windblast pushed it - and the headlight up and out of adjustment.
To solve it, I simply put the dart in the most rearward postion until it rested on the gauges , then adjusted the headlight beam.
 

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Discussion Starter · #8 ·
Thanks for all the info. It sounds like the Dart provides a stable capsule. I was concerned as a result of an aftermarket screen I had on a Kawa that created a real buffeting problem over 60mph. As bad as following a semi on the slab.
 

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I just went another direction on the flyscreen and ordered National Cycles one feom Bellacourse. They are on a closeout special...99$ including shipping.
 

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flyscreens at fasteddysports.com

I know this is an old post, but I was reading through some of these while looking for something for my 05 Speedmaster.

eddy at www.fasteddysports.com is getting some in soon for Speedy/Americas; Bonnies; Thruxtons; and Scramblers, so check him out!

His speed and service are second to none! :)
 

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I just bought and installed Dart Flyscreen on my 2008 T100. I love it. It doesn't stop the wind but it reduces it enough that I feel a lot more secure on the interstate.

I expected to have to adjust the screen angle closer to vertical because I'm 6' 2" but it seems to work fine in the standard position. Weird.

I don't like the looks of windscreens, except on big dinosaurs like ElectraGlides. But I have to admit the Dart Flyscreen does not look bad on a Bonnie.

I also bought a Bonnie gel seat and I hate it. I'm going to trade it for the dreaded K&Q, which everyone agrees is very comfy. Most people hate the looks of the K&Q but I don't think it looks bad at all. Anyway, I don't have to look at it when I'm sitting on it.

Between the buffeting reduction from the flyscreen and a better seat than the stock "plank" I should be ready for a two-tank ride on the twisties.

6K miles and counting.
 

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Took my Dart screen of the Bonnie the other day. Its been on since day one. Out for a test drive, and what a joy! I'm never putting it on again. The whole ride was so much quieter, without the screen there pushing all that air in your face. A tad more air flowing on your chest, but you just lean into that. And the bike is som much better looking without it. Goodbye Dart! You won't be missed.
 

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I had a Dart screen on my 2009 T100 until this weekend when I replaced it with a Triumph summer screen.

My reason was because the windblast and buffeting at anything over 60-65 mph for two or three hours was really tiring. I wear a Shoei TZ-R helmet and good earplugs but it wasn't terribly pleasant. Now, at speeds below that it was just fine, around town it had no effect other than looks. :)

The biggest reason I replaced the Dart was because of the experience of riding a Tiger 800 for a weekend. On the Sunday, I rode from 10 am till 4 pm at mostly highway speeds, 50-65 mph and didn't feel nearly as fatigued. The larger screen reduced the windblast enough to make it very enjoyable.

I did an hour long ride with the summer screen with and into about a 10 mph wind and the experience was excellent. I could still feel the wind around me but I was shielded enough that I could have my visor open at 40 mph.

And this may sound strange, it felt more stable when passing large vehicles. Could be just me but The bike didn't feel like it was moving around as much.

For reference, I'm 5'9" and ride with stock bars and stock seat.




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Bullet fairing, anyone?

I've had a good bit of luck with an old-school "bullet" fairing (Emgo Viper). It was cheap, I got mine from Dime City Cycles. I just checked and they have one for 63 bucks US (plus shipping). I've seen it other places for upwards of 70 bucks.

You can have any color you want, as long as you want black!

It keeps wind off my chest, my head is in fully in the wind. I would think that it flows the air better than a Dart or similar because of the shape.

The shield itself shook at speed because it mounts on the headlight, and there was some buffeting (maybe perceived). I wound up cutting an aluminum rod to fit between the topmost shield bolts.

I JBWelded two 5mm bolts on the ends (drilled out the ends) and used it to secure the shield in place of the topmost bolts. I then cut an old "barkbuster" mounting bracket so I could secure the rod to the handlebar. Now the fairing / shield is 100% stable.

I got the idea after seeing a pic of a racing Ducati that secured its fairing via steel rods. Since I don't have the facilities to fab up curved / shaped rods, I took a simple route.

If there's interest, I'll post pics. I haven't seen too much chatter about using bullet fairings on Bonnevilles, though.
 

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I have recently bought & installed a PUIG screen priced at nearly a 1/3 the price of a Dart screen , it seems to help a bit especially on major roads at 60-70 mph onwards.
Top gear acceleration feels improved as well so I won't change any sprockets to improve this ! The only downside of this screen is it tilts the headlight after a while even after repeated tightning , it could do with another fixing which i must look into .....
 
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