The buffeting is bad - Page 3 - VTXOA
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post #21 of 42 (permalink) Old 03-14-2010, 08:45 PM
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I don't think there is any angle or height adjustment on the factory 1800T
windshield. I can use my hand to find the air flow. The windhield is directing it above my helmet. It is clear as I said earlier and the previous poster also said, the strong airflow is coming up right in front of your knees at the sides of the gas tank. No doubt for me. I just want to know if anyone has had any help with the Hondaline deflector.

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"If you think you can or can't you're right ! "Henry Ford"
08 VTX1800T " Big T "
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post #22 of 42 (permalink) Old 03-14-2010, 09:18 PM Thread Starter
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Learned alot

Quote:
Originally Posted by venarius View Post
Yes Lowers will help. Here are mine.



That said, its all about position of the windshield to create the proper windflow.

If your getting buffeting really bad, try first lowering the angle (towards your bike) of the windshield a bit. Then try increasing its angle (away from rider) to make it taller and more flat. See if that helps.

If its a smaller windshield, you might have to lower the angle so the wind will rise over it and flow into your head. If you angle a smaller shield (and bigger one as well) more upright, to cover a broader area, the wind eddys around creating lots of turbulence circling behind the shield (IE your back, and head), ever wonder why sometimes you can get bugs stuck on the back of your jacket? This is why.

Remember, the shield wants to lay flat for the least resistance.


Its easier to see than to explain.

Look at this crudely drawn example I just quickly drew up.

Black = Sheild Position
Yellow = Air Flow



Shield too 'high', lots of buffeting immediatley behind sheild.

Sheild too low, less resistance and buffeting, but also less wind protection (defeating the point of the shield)

You have to find a good medium that will not create too much turbulence immediately behind the shield (on you), and giving the air a more efficient (less turbulent) route to travel over/past you. In the middle pic, the rider has good protection, and, the air flows at least PAST his head before starting to eddy around. This is what you are looking to achieve. However, variables such as Rider Height, Seating position, Windshield height, and bike type (or placement on forks) make that perfect combination different for everyone.

Also note, if you are riding two up, your 'perfect position' may put excess buffeting on the passenger behind you. You very well might have to adjust it for the passenger as well.

Just Sayin'

This is very helpful. It gives me a direction to go with a solution thanks
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post #23 of 42 (permalink) Old 03-14-2010, 09:20 PM Thread Starter
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factory equipment

Quote:
Originally Posted by davemack View Post
Bingo we have another winner.

I also have a adjustable shield & brackets with no buffeting at all without lowers.

If you have a fixed shield & or a fixed brackets (quick release),
dumb move IMO.

You will need lowers.
Yes this is a fixed shield. It came like that.
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post #24 of 42 (permalink) Old 03-14-2010, 09:22 PM Thread Starter
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Just ordered them

Quote:
Originally Posted by coastie72 View Post
I don't think there is any angle or height adjustment on the factory 1800T
windshield. I can use my hand to find the air flow. The windhield is directing it above my helmet. It is clear as I said earlier and the previous poster also said, the strong airflow is coming up right in front of your knees at the sides of the gas tank. No doubt for me. I just want to know if anyone has had any help with the Hondaline deflector.
I just went online and ordered the hondaline lowers. I will et you know how it works out
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post #25 of 42 (permalink) Old 03-14-2010, 09:31 PM Thread Starter
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Answers

Quote:
Originally Posted by Gonzo1970 View Post
I think it would be prudent to ask how tall he is, how tall the windshield is, bike, type of helm.. first. I dont have lowers and Im fine..

Full Face
1300R
6'1"
MS Fats 21"
No Lowers
Very little buffeting with windshield adjusted.

-Gonz
6 ft tall and factory shield i guess 19 in. And the bike is 1800T all stock
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post #26 of 42 (permalink) Old 03-14-2010, 09:32 PM Thread Starter
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great pix

Quote:
Originally Posted by Scooter Geezer View Post
I use Memphis Shades Lowers.



Geezer
Thanks for the pic. They look great
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post #27 of 42 (permalink) Old 03-14-2010, 09:35 PM Thread Starter
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Hondaline ?

Quote:
Originally Posted by dminyard View Post
They helped tremendously for me. Still get some breeze, but not that head-rattling kind.
What brand did you get ?
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post #28 of 42 (permalink) Old 03-14-2010, 09:37 PM
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A friend has the exact same setup as mine, same size memphis shades windshield and we couldn't figure why mine was smooth and his would beat your head until it was numb. Then it dawned on him that the problem started when he installed the hard bags. He put on the lowers and it is better, but not fixed. sb

Tolerance is the virtue of a man without principles. G. K. Chesterson
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post #29 of 42 (permalink) Old 03-15-2010, 03:17 AM
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Something else to consider: I had a 21 in MS shield on with lowers and had buffetting still. Called MS and they sent me some saeng window edging. It is black but is grooved so it wraps around the edge of the windshield. It angles the wind up and over and made such a noticeable difference that I removed the lowers and still no buffetting. I now have a fairing so no need for the shield with the edging on it.

Ride safe. I can't yet because of the 8" of snow the other day.



2003 Retro
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post #30 of 42 (permalink) Old 03-15-2010, 06:59 AM
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Quote:
Originally Posted by ELLWEL View Post
What brand did you get ?

No brand. I went the cheapskate route and made them myself.


David

2007 VTX1300R Titanium - Darkside, BadX seats, NC Paladin passenger backrest/luggage rack, US Saddlebags, Roadhouse slipons, FP Stage 3, Phat IIIx risers, Paladin crash bars, Madco throttle lock
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