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rottmore
Well-Known Member
When I was scrolling through my phone, I was like… hoooly shit, this is a long write-up on a mediocre looking wing with a stupid vendor that used adhesive to bond it to the car, smart. Honestly didn’t think this wing deserved any recognition or comment. Looking at your post on the PC, The write-up doesn't look that long now lol.
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rottmore
Well-Known Member
Doesn't need anything, it's a good post. In the spirit of derailing threads, and shifting it away from this ridiculous copy-edit-paste wing, and if we're just spitballing here.
I'd like to see a fabricator design a race wing with active aero or DRS that changes the AoA based on speed, brake pressure, steering angle, lateral acceleration, etc... If this hypothetical fabricator could also make it interchangeable with their street style wing offerings at a standardized trunk mounting point *cough*verusengineering*. I'll start drilling holes right now for the wiring and potato cannon my money at them. My imagination says yes, but my wallet says no. Yes, I know... I'm better off spending money on fixing front, underbody aero and air pressure buildup.
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i3igpete
Well-Known Member
https://occamsracers.com/2023/02/11/active-aero-on-a-miata/
Could probably follow mario's method if you have a supra already built in OptimumLap
The supra's underbody is surprisingly clean compared to something like the Z. I believe Savage geese mentioned it in this video. It would take hours of work just to get most other cars to where the Supra is from the factory.
Could probably follow mario's method if you have a supra already built in OptimumLap
The supra's underbody is surprisingly clean compared to something like the Z. I believe Savage geese mentioned it in this video. It would take hours of work just to get most other cars to where the Supra is from the factory.
itzTang
Well-Known Member
why is the picture comparing front(supra) vs rear (Z)?https://occamsracers.com/2023/02/11/active-aero-on-a-miata/
Could probably follow mario's method if you have a supra already built in OptimumLap
The supra's underbody is surprisingly clean compared to something like the Z. I believe Savage geese mentioned it in this video. It would take hours of work just to get most other cars to where the Supra is from the factory.
razorlab
Well-Known Member
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You asked for it. Rated R for trash:why is the picture comparing front(supra) vs rear (Z)?
rottmore
Well-Known Member
You asked for it. Rated R for trash:
Yeah, the Supra’s underbody is really clean. I just have a bad habit of comparing it to a Porsche. I need to stop doing that.
I feel like a DIY DRS would be more practical to implement. I do like that NINTE lifting spoiler design, but I have a bad feeling it would rip off at around 120 mph. I thought electric actuation was the way to go, but I’m starting to think pneumatic would be better. Not a fan of those bulky motors hanging off the wing. This is a pretty cool DRS, though.
i3igpete
Well-Known Member
Agree, DRS is definitely a better use case than airbrake. Airbrake might make sense for endurance racing (less heat put into the brakes) but for sprint racing or time attack, the magnitude of downforce at max AoA (and therefore the tractive force limit) is larger than the drag that can be generated by airbrake.
Strych9
Well-Known Member
I can fabricate anything aside from forming sheet metal. If all goes well, that'll change soon.
I have a good friend in Indianapolis that spent ~20 years at Williams F1 before moving to the states. He was an aero engineer upstairs when I was at Rahal. He was on the Indy side while I was on the BMW side. He would know precisely the route to go for pretty much any aero scenario.
I also have a lifelong friend that is an electroncis engineer that could slap a package together for any budget from Temu to Motec. He is infatuated with car technology. We speak 2-3 times a week.
What we all have in common is that we'll do it for free because it's fun or we won't do it at all. Shoot me a pm if you're interested.
Strych9
Well-Known Member
Shouldn't be an issue. Just need to know where to mount it first lol
Best place I can imagine is the edges of the license plate box and go chassis mount. Hang it with clamping screws and half-turn receivers and you'll only have to drill 4x 3/4" holes. Make a set of aluminum plugs with paint matched tips that lock in using the same receivers and it'll look just like 4 more parking sensors.
Strych9
Well-Known Member
We used them on the BMW prototypes and the Indy cars. I know the Cadillac LMDh uses the same design and I believe Porsche and Acura do as well, though I'm only sure about the Dallara chassis stuff.
4 of them on each end. One half turn lock for the left pair and one for the right pair. Two of us and one tool could remove the front and rear of the prototypes in about 20 seconds. They'd hold up at 215mph with a LOT of downforce. I only remember minor scuffing on them after Sebring (which is famous for being rough as shit).
The only issue with mounting that wing significantly more inboard is that the stiffness will drop off pretty hard. That long of an upright mounted that close together will make it want to twist on the polar axis. It isn't anything that can't be solved but it's still a factor. Luckily, 2d CAD and sendcutsend exist so it won't cost too much no matter what you do.
Edit: It isn't as much of a difference as I thought. It's absolutely doable.
