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Useable downforce

I honestly don't have the problem of overstear unless I jerk the steering too hard. And then I think it is more a case of inertia loading of the front suspension and not lack of downforce on the rear causing oversteer.

I've been able to get a slight drift in smoothly executed, hard cornering. I don't have a problem with the rear moving before the front does (which would be the oversteer you're talking about).

The only place I'd like to see more downforce is at launch, or when at high speed in wet conditions (to reduce hydroplaning).

But really, in this aspect I think the Spyder it is what it is and, for the most part, we need to learn to ride within the parameters it gives us. Done correctly, you can really get all there is out of this machine in most cases.
 
If you have the money to throw at something, sounds like you may prefer a G&G Quadster or T-Rex Scorpion Turbo, maybe an Ariel Atom or KTM X-Bow.
 
....

But really, in this aspect I think the Spyder it is what it is and, for the most part, we need to learn to ride within the parameters it gives us. Done correctly, you can really get all there is out of this machine in most cases.

^this.:2thumbs:
 
Replace those hard skinny front tires with some wider much softer rubber and the oversteer really starts to shine
 
Keep us posted!

So the wing project begins:



I ordered a kewlmetal luggage rack


http://www.kewlmetalstore.com/product_info.php?cPath=5_42&products_id=109


This is the frame interface

Next I'm ordering this wing 36" wide


http://www.pro-werks.com/partlist/831/

According to the data sheet

http://www.pro-werks.com/common/support/SolutionDetail.aspx?SolutionID=25


I should be able to get
32 lbs @ 50 mph
130 lbs @ 100 mph

At 80-90 mph that's about 10 percent of total weight
This will be a must see :chat: :ani29:
 
I really like your idea here and wish you luck, my only concern is do we have enough power at 100 mph to add the drag to create the 100-220# down force?:dontknow:

Jim:thumbup:
 
So the wing project begins:



I ordered a kewlmetal luggage rack


http://www.kewlmetalstore.com/product_info.php?cPath=5_42&products_id=109


This is the frame interface

Next I'm ordering this wing 36" wide


http://www.pro-werks.com/partlist/831/

According to the data sheet

http://www.pro-werks.com/common/support/SolutionDetail.aspx?SolutionID=25


I should be able to get
32 lbs @ 50 mph
130 lbs @ 100 mph

At 80-90 mph that's about 10 percent of total weight
I wouldn't expect anywhere near those specs, the airflow is too dirty by the time it gets there. Those specs are most definitely direct, clean airflow. Things would be a little different if you were shaped like a vertical stabilizer
 
Gonna put it as far back and up as feasible .
Lower the bars some more to get me more horizontal

Also can change endplates and use a dual element wing

As far as drag Its not that bad check out the specs
 
Less than 2 lbs of drag at 100 mph at 12 degrees angle of attack


As far as looks hey I like the way they look
 
If your serious about faster cornering speeds a wing is not going to help much.

Better shocks, better swaybar, a 4th wheel would help a bunch, even a set of training wheels would probably help more than a wing.

I think it would look cool though so I am all for what you come up with. Good luck with your project!
 
Every one seems to doubt I can produce down force

A formula one car's rear wing can only be a meter wide the same width I'm using

It's more a matter of how much hp I'm willing to devote to it
 
BTW I already have the stiffer sway bar penske racing shocks and hankooks softest street tire in 225/45 r 15 all the way around

I also added 3 inches of track and an inch of scrub radius
 
Go For It.

I say go for it and have fun doing it! I always appreciate someone trying something new. There are a lot of smart thinkers in this forum who enjoy a challenge. :popcorn:
 
A formula one car's rear wing can only be a meter wide the same width I'm using
Looking at a F1 car, the entire thing is streamlined to produce the least amount of wind drag and puts the wings (front and rear don't forget) in the best possible location for down force. Plus they don't do much at all at low speeds, regardless of design. You have to have airflow to create the lift/drag. Airplanes don't fly at 40 mph unless they have large corded wings and lots of curve (flaps, slats, slots and other lift producing devices).
But all that being said, it is an interesting project to tackle and I'm interested in the progress and outcome....mainly from a student of aerodynamics perspective.
But if you want wings, there is always the Moller Skycar...

index.php
 
I will be very interested in what the outcome of this project will be. I have wondered myself how we can get a bit more "useable" downforce for our Spyders, of course the key word being "useable". But I like how you are going to attempt to actually get the wing in the air and make it effective.

The GG Quad is a good example of aero massasging and it's a great look!

picture.php


Of course they attack the whole downforce issue differently with ground effects and shaping. I would love to see a pic of the wing before you mount it just to see what configuration you have decided on. I think the side plates are going to be important. Angle of attack is obvious of course... anyway, good luck! I'm rooting for you! :2thumbs:
 
BTW, I was curious of the goal here. Are you looking for more top end, more stability for cornering or both? I would think the top end would be more of a benefactor here...:popcorn:
 
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