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Formula One adjustable wings
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Source：Internet Author：Unknow Pubdate：2010-02-19
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sveglu (Automotive)
22 Apr 09 10:18
Hi,
I am wondering how the F1 race cars adjust their wings? Do they use hydraulics or servo activators? Or is it just a mechanical solution what I cannot imagine since the forces on these wings would be to strong for a solely mechanical solution.
Thanks
KR
Hannes
rb1957 (Aerospace)
22 Apr 09 10:28
i think they have mechanical adjustors (screw-threads) that are adjusted in the pits.
sveglu (Automotive)
22 Apr 09 10:43
well, with 2009 the teams are allowed to use driver adjustable wings, see
http://www.formula1.com/inside_f1/rules_and_regulations/sporting_regulations/8692/
for details
KR 字串8
Hannes
MiketheEngineer (Structural)
22 Apr 09 11:17
So why can't they change their suspension - loose or tight??
ENS2K (Mechanical)
22 Apr 09 20:36
I saw an article which suggested several teams were using neodymium stepper motors, but it did not cite a source. It sounds reasonable since there has to be an electronic logic system which allows the ECU to limit the driver to two adjustments per lap.
As for adjustable suspension components, the only adjustment which is allowed is the steering of two wheels.
crysta1c1ear (Automotive)
23 Apr 09 12:03
I'd go for the stepper motors sugested above, but I'm guessing.
One of the cars recently had it's nose cone replaced after an accident and the TV commentator mentioned that they have to align the connectors. That sounds electrical to me. 字串9
GregLocock (Automotive)
23 Apr 09 22:25
Ferrari and Honda use hydraulics, I think.
Cheers
Greg Locock
SIG:Please see FAQ731-376: Eng-Tips.com Forum Policies for tips on how to make the best use of Eng-Tips.
sveglu (Automotive)
24 Apr 09 2:53
Thanks for your inputs!
@ENS2K: could you please post a link to the article? Thanks
KR
Hannes
crysta1c1ear (Automotive)
24 Apr 09 11:59
Quote:Ferrari and Honda use hydraulics, I think.
I believe Barichello's Brawn GP (ex Honda) damaged his nose cone in the Australian GP and had it replaced. I don't recall any mention of leaks or spills on the track or in the pits.
I know that leak-proof clip on fittings are possible, for example that was the whole business of Oystertec PLC, but it still doesn't sound right to me that hydraulic fluids would be circulating inside the nose cone. 字串5
But we need someone who knows. I'm just guessing.
KENAT (Mechanical)
27 Apr 09 13:11
crystal, could be electro hydraulic, that way there aren't long lines leading all over the place. KENAT,
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swearingen (Civil/Environme)
28 Apr 09 7:16
The chief engineer on the Brawn GP team demonstrated the use of the adjustable blade during the "Inside F1" show this past weekend. The action suggested that it was a stepper motor and it appeared to have only two positions - up or down. He indicated that there was a switch on the upper right of the back side of the steering wheel to activate it, but said he didn't want to show the back side of the wheel on TV. 字串5
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