Rennlist - Porsche Discussion Forums

Notices
996 Forum 1999-2005
Sponsored by:
LN Engineering

How does the rear wing on 996 work?

Thread Tools
 
Search this Thread
 
Old 08-23-2007, 12:29 AM
  #31  
SMR996
Burning Brakes
 
SMR996's Avatar
 
Join Date: Dec 2005
Location: Mission Viejo, CA
Posts: 866
Likes: 0
Received 0 Likes on 0 Posts
Default
Uh.................... mine just sits there.....












OK............... just being a smarta$$..............

It's late.... and yes...I've been drinkin'







Sorry all....... I couldn't resist...
SMR996 is offline  
Reply Like
Old 08-23-2007, 10:35 AM
  #32  
Riad
Chandler!
Rennlist Member
 
Riad's Avatar
 
Join Date: Dec 2003
Location: Monroe, NY
Posts: 52,995
Received 34 Likes on 20 Posts
Default
Originally Posted by 02 Carrera
Wings can create negative lift, i.e. suck the car to the road. Spoilers can negate lift by not allowing air to accelerate over a surface and create downforce. Negative lift is far better than downforce as downforce is created by increasing aerodynamic drag. Lift (positive or negative) is created by accelerating air over a surface, i.e. Bernouli's law.
Nice explaination.

The term "positive down force" should be used, and not only for cars.
Riad is offline  
Reply Like
Old 09-02-2007, 10:13 PM
  #33  
JonesnSince78
Advanced
 
JonesnSince78's Avatar
 
Join Date: Jun 2007
Location: Virginia's Blue Ridge
Posts: 62
Likes: 0
Received 0 Likes on 0 Posts
Default
Originally Posted by krisd
I have a 99 cab originally delivered in Canada. The spoiler goes up at 50 mph and back down at 19 mph. Not sure why this is different than the others I have read about here.
I installed one of those spoiler indicator light kits today on my 1999 C2 cab. I was stunned to see the spoiler going up at 50 MPH and down at 20 MPH. So I've been searching for info on this subject. So far I have found this post about a 99 cab in Canada doing the same thing and in a post on RennTech, Eric the Bumperplug Guy, reported that the 99 C2 cab that he used to own deployed the spoiler at 45 MPH.

So what's up with this? The 99 owners manual states up at 75 MPH, down at 37 MPH -- no conditional info for a cabriolet.
JonesnSince78 is offline  
Reply Like
Old 02-03-2020, 09:41 AM
  #34  
Analog 996
8th Gear
 
Analog 996's Avatar
 
Join Date: Jan 2019
Location: Chapin, SC
Posts: 8
Received 3 Likes on 2 Posts
Default
Like the missile switch. Where would one get these? Thanks.
Analog 996 is offline  
Reply Like
Old 02-03-2020, 09:51 AM
  #35  
808Bill
Rennlist Member
 
808Bill's Avatar
 
Join Date: Dec 2016
Location: Kauai
Posts: 8,053
Received 807 Likes on 545 Posts
Default
Originally Posted by Analog 996
Like the missile switch. Where would one get these? Thanks.
Might try a Google search for a quicker response.
808Bill is offline  
Reply Like
Old 02-03-2020, 10:00 AM
  #36  
Analog 996
8th Gear
 
Analog 996's Avatar
 
Join Date: Jan 2019
Location: Chapin, SC
Posts: 8
Received 3 Likes on 2 Posts
Default
Thanks, tried that. But my search terms must need something to be desired as no luck.
Analog 996 is offline  
Reply Like
Old 02-03-2020, 10:08 AM
  #37  
808Bill
Rennlist Member
 
808Bill's Avatar
 
Join Date: Dec 2016
Location: Kauai
Posts: 8,053
Received 807 Likes on 545 Posts
Default
Originally Posted by Analog 996
Thanks, tried that. But my search terms must need something to be desired as no luck.
What exactly are you looking for?
Did you read the link posted in #15?
808Bill is offline  
Reply Like
Old 02-03-2020, 10:18 AM
  #38  
Analog 996
8th Gear
 
Analog 996's Avatar
 
Join Date: Jan 2019
Location: Chapin, SC
Posts: 8
Received 3 Likes on 2 Posts
Default
Yes sir, however that is the spoiler switch. I was looking for the "missile" switch as depicted in 2nd photo on # 14.
Analog 996 is offline  
Reply Like
Old 02-03-2020, 10:31 AM
  #39  
808Bill
Rennlist Member
 
808Bill's Avatar
 
Join Date: Dec 2016
Location: Kauai
Posts: 8,053
Received 807 Likes on 545 Posts
Default
Originally Posted by Analog 996
Yes sir, however that is the spoiler switch. I was looking for the "missile" switch as depicted in 2nd photo on # 14.
Got it, lol!
808Bill is offline  
Reply Like
Old 02-03-2020, 10:34 AM
  #40  
808Bill
Rennlist Member
 
808Bill's Avatar
 
Join Date: Dec 2016
Location: Kauai
Posts: 8,053
Received 807 Likes on 545 Posts
Default
Originally Posted by Analog 996
Yes sir, however that is the spoiler switch. I was looking for the "missile" switch as depicted in 2nd photo on # 14.
PM the poster
808Bill is offline  
Reply Like
Old 02-03-2020, 10:58 AM
  #41  
Evolution
Pro
 
Evolution's Avatar
 
Join Date: Feb 2006
Location: Philadelphia
Posts: 505
Received 124 Likes on 51 Posts
Default
Is the lift mechanism hydraulic like the Turbo? Or is electric? I've been through the full process servicing my Turbo, which is notorious for hydraulic failure. Curious if I should look for a similar issue with my C2?
Evolution is offline  
Reply Like
Old 02-03-2020, 01:55 PM
  #42  
exthree
Racer
 
exthree's Avatar
 
Join Date: Dec 2014
Location: Marco Island
Posts: 307
Received 30 Likes on 22 Posts
Default
Have your GF take a front-facing photo of the spoiler deployed at 75 MPH! /X3

75+ MPH, San Marco Rd. & US 41 near Goodland, FL
exthree is offline  
Reply Like
Old 02-03-2020, 01:57 PM
  #43  
sasilverbullet
Rennlist Member
 
sasilverbullet's Avatar
 
Join Date: Aug 2002
Location: San Antonio, Texas
Posts: 3,331
Received 791 Likes on 415 Posts
Default
Originally Posted by Evolution
Is the lift mechanism hydraulic like the Turbo? Or is electric? I've been through the full process servicing my Turbo, which is notorious for hydraulic failure. Curious if I should look for a similar issue with my C2?
My C2 is electric, drives plastic gears/tooth actuator.
sasilverbullet is offline  
Reply Like
The following users liked this post:
Evolution (02-03-2020)
Old 02-04-2020, 01:20 PM
  #44  
Mark Hubley
Addict
Rennlist Member
 
Mark Hubley's Avatar
 
Join Date: Nov 2001
Location: Dunkirk, MD
Posts: 1,217
Likes: 0
Received 13 Likes on 7 Posts
Default
Originally Posted by a911driver
Is there a way to lock the spoiler in the up position so that it does not retract if you set the high and low speed triggers?
When I raise the spoiler using the button in the footwell it will remain up until I turn off the car (and remain up until the next drive). When I am driving on a track, I typically raise the spoiler with the button before I grid the car. I'm not sure if there are any tracks where my speed drops below the low-speed threshold, but I figure I don't need the spoiler going up/down during a track session. When I return to my spot in the paddock, the spoiler will still be up. If I turn the car back on, and just start driving, it will stay up until the first time my speed drops back below the threshold, then it goes down. For my next session at the track, after I fire up the car, I cycle the spoiler back down and then up again, using the footwell button.

So, if you raise the spoiler with the button, it should stay up for the drive.
Mark Hubley is offline  
Reply Like
Old 02-04-2020, 06:26 PM
  #45  
808Bill
Rennlist Member
 
808Bill's Avatar
 
Join Date: Dec 2016
Location: Kauai
Posts: 8,053
Received 807 Likes on 545 Posts
Default
Originally Posted by Mark Hubley
When I raise the spoiler using the button in the footwell it will remain up until I turn off the car (and remain up until the next drive). When I am driving on a track, I typically raise the spoiler with the button before I grid the car. I'm not sure if there are any tracks where my speed drops below the low-speed threshold, but I figure I don't need the spoiler going up/down during a track session. When I return to my spot in the paddock, the spoiler will still be up. If I turn the car back on, and just start driving, it will stay up until the first time my speed drops back below the threshold, then it goes down. For my next session at the track, after I fire up the car, I cycle the spoiler back down and then up again, using the footwell button.

So, if you raise the spoiler with the button, it should stay up for the drive.
You just answered a question asked 13 years ago...
But here we are. I would think keeping it up on the track would be of benefit since it's running cooler air when up?
808Bill is offline  
Reply Like



Advanced Search
Quick Reply: How does the rear wing on 996 work?


Reply Closed Thread Share
Forum Jump

All times are GMT -3. The time now is 07:30 AM.