KaJu74 - I'm pleased to hear that you are satisfied with our service, thank you very much. I appreciate your understanding with the missed email topics and I'm glad that you and Eddy are getting each other's emails now.
Regarding some of the other comments - We give it our best effort day in and day out. We are not a big company (although it is flattering that some people think that), we are a small independent company that works hard and invests heavily into R&D to try to improve on an already awesome Model 3 platform.
There are two subjects discussed here that we'd like to provide response to:
1. Fitment in Bjorn's video it is unfortunate, we agree more than anyone on this. Unfortunately fitment can vary depending on how the installation goes. If the part is spread by the installer we usually see that it goes to the end and lines up nicely since the part is designed to be flexible (impact resistant) and it'll reach the ends we find if the installer spreads it outwards during install. For example Daerik's youtube video he installed one in his garage and it fits up on the sides much better than Bjorn's.
Here's Daerik's video, and I've also included a couple of cars below with both painted and raw unpainted/sanded before paint.
Generally speaking, when we developed this part we thought of it as two specific use cases/users:
Daily driven - part to be painted (it is a raw impact resistant urethane out of the box and intended usually to be painted body color)
Race use - A lot of drivers in TeslaCorsa (about a dozen TC drivers now) and other events choose to install without paint to get the front aerodynamic benefits (which reduce front lift). This is more of a budget solution by skipping the painting process and does not look as nice as painted in our opinion but it does give a functional sports/racing look. By the way, despite the incorrect information in Bjorn's video about painting, we do offer pre-painted spoilers for a few Model 3 colors which are easy to match (solid white, black (solid and metallic), silver are easy examples of colors that can be pre painted and match up well).
2. Aerodynamic testing. While we were excited by Bjorn's video and we were happy that it gained range (and never lost range while simultaneously reducing front lift), the reality is that his speeds in the test were never expected or advertised to show large gain below 70mph. CFD data is accepted by aerodynamic experts to be the most accurate form of information because it has controlled external variables. Therefore we stand behind the CFD data we have previously published. What we saw in Bjorn's video was the lower speed workings of the reduced Cd that the front spoiler offers. There is never a full 1:1 correlation between efficiency and Cd reduction but one does get closer to a 1:1 ratio as speed goes up to maximum speed (160mph). In Bjorn's video he was going under 70mph for his test. In our CFD whitepaper we studied this front spoiler and also our lowering springs and our trunk spoiler. His car used only one of those three and despite going under 70mph he still saw slight gains. At under 70mph that is a positive result in our eyes and we would not expect to see much at under 70mph. In Los Angeles where we are, average speed of traffic in the city is closer to 80mph (granted, at night when there is no traffic). As speed increases during interstate driving (over 80mph) the benefits will be increased, and in more extreme cases like in Germany where the car can see unrestricted speed there will be closer to a 1:1 ratio approached to our Cd. Long story short, Bjorn in some tests saw 3% gain and in other tests just slightly above zero. This is expected at under 70mph and nobody is being told to buy this front spoiler to make massive efficiency gains at under 70mph (nor should they). With just a front spoiler we might conservatively expect perhaps 2% efficiency gain at below 100mph and above 2% at more than 100mph...then when combining with our other aerodynamic parts that impact can be increased as illustrated with more accuracy and in more full detail at the link below. There is also a chart that makes effort to better link CFD aerodynamic efficiency to driving speed (special thanks to our friend at SpaceX who helped us with that equation):
Independent Aerodynamic Study of Tesla Model 3 by Unplugged Performance
Granted none of this is said to try to convince anyone, rather it is to give a reply from our point of view to the questions people have asked. The white paper was published and everyone is welcome to read it as it has a lot of data from the year long aerodynamic study. We are just grateful that we can invest into the development of specialized parts that can bring joy to our customers. We are also grateful that we can take aerodynamic liberties with our CFD team that Tesla cannot due since we don't need to deal with some of the crazy homologation standards like ferry loading that they have to. There are hundreds of clients running our front spoiler and we hear great feedback from them, which always makes us thrilled.
At the end of the day we are simply assembling the most dedicated team of engineers and support team we can. We want to succeed always and we will continue to try hard for everyone.
PS - Sorry we are infrequently on the message boards, our main priority with our small team is to respond to emails and follow up with our clients. We are happy that our customer here in this thread is satisfied and has been in contact with our team.
Sincerely,
UP