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flash968 flash968 is offline
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Join Date: Jun 2006
Location: O.C. CA
Posts: 4,587
i have done some of this testing on the 944 and the 968, and i can tell you that it will do nothing particularly positive below about 130mph, and even then, its benefits are questionable. we messed with this very thing on a salt flats car. in the end, the car was faster without the wing.

the 944 and 968 do not benefit much from rear downforce, and in fact, too much creates an even bigger problem. the 968 turbo rs wing comes into play at about 140, and helps it get to 175 without lifting off. neither the 944 nor the 968 have issues with rear lift below about 140. the 951 is slightly better at streaming, due to the rear diffuser. all 3 models would benefit from that kind of device, as it is the rear bumper cover that is the issue at the rear, not the air over the top of the car

most of the work needed is under the car, particularly in the front. porsche did a decent job with its belly pans, but there is room for improvement to be sure. that is a place where you may find marketable parts to be made, assuming the rules let them in. that is exactly why i designed and chose to manufacture the front splitter. i designed a set of belly pans, but belly pans are prohibited in many classes, as are wings. this limited marketability. consequently i scrapped the project. rules legality would be a critical consideration in marketability of any such product.

the question though is "why bother creating something that already exists, and is proven?"

go right ahead and build whatever you want. as somebody who has been at this for over 30 years, as a mechanical design engineer, owner of a race car design shop, and the owner of the largest performance parts manufacturer for the 968, and as somebody who has spent countless hours developing things for these cars, i applaud somebody else stepping up and bringing in innovation, and developing new parts. however, i would be remiss if i did not point out that some things are just not helpful, and likely a waste of money.

i would solve the problem, and cure the issues under the car. you will almost certainly find you do not need a wing, and that a wing is the wrong approach, and you will save yourself a lot of time and money along the way. but, what do i know? i've only done way over a half million dollars of sales of performance parts for these cars.

sigh - it's stuff like this though that makes me glad i am closing up shop. it would just be so much nicer if, when somebody asks if there might be interest in something, that they actually took a minute to listen to some sage advice, and then replied "thanks for that. you may be saving me a huge headache. i'll take another look before diving in"

Last edited by flash968; 12-23-2016 at 09:10 PM..
Old 12-23-2016, 08:47 PM
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