Search results for query: Diffuser

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  1. rtj

    Internal Body Aerodynamics

    I heard one thing in this video that was new. That tire squirt vortices could upset the diffuser flow and strakes in the diffuser might help.
  2. phantomjock

    Internal Body Aerodynamics

    ...side panel and the fender. Some clever ducting there to focus what we see down the side of the vehicle. The "Tailored Notch" looks a bit diffuser-like, wouldn't you say? I'll bet there is some significant area-rule work they've done just in that section. The front view shows the wide...
  3. mfain

    C8 Z06

    ...of all the aero changes G-Speed made to Jake Latham's NASA ST2 champion C5, including a new undertray/splitter, full belly pan, new rear diffuser, and side mounted exhaust with explanations of their rationale for each change. It is in autocrossing/road section of the Corvette Forum...
  4. mfain

    Old Project Revitalized - 56 Track Car

    ...will have 4 tunnels, two of which dump behind the front tire ahead of "barge boards" that will help direct the airflow to the outer diffuser tunnels that run inside the outer rocker panel/side skirt and outboard of the frame rail. The undertray will be Kevlar (on the bottom for scuff...
  5. mfain

    Old Project Revitalized - 56 Track Car

    ...in the air dam to the 4X3" brake cooling hoses that are directed at the caliper and center of the brake rotor hat. In the center is a diffuser and outlet nozzle for the small Setrab power steering cooler. Working on the front splitter/undertray with diffuser tunnels that will terminate...
  6. bobs77vet

    Old Project Revitalized - 56 Track Car

    very nice, I like that idea. I noticed the same idea in a cool down fan in my pellet grill , which has a fan on for a cool down period
  7. phantomjock

    Internal Body Aerodynamics

    Pappy - Looking forward to seeing those. I'm on a slightly similar path and have shaped the upper surface, and the side walls. But, alas - rain so "glassin' the lower surfaces [of a sellig 1223 section] waits. Not just Tunnels - but an homage to the Lotus 78/79. Cheers - Jim
  8. mfain

    Internal Body Aerodynamics

    Hey Jim, I have the tunnels/belly pan/diffuser off the car right now doing some undercarriage work, but I was able to take a couple of photos to show how the diffuser tunnels are set up. The sketch shows how the tunnels blend into a rounded leading edge that is actually an extension of the...
  9. mfain

    Internal Body Aerodynamics

    Interesting. The side pod diffuser tunnels that they show as banned early in the video are what I have on my '56 - between the outside of the frame rail and the inside of the side body skirt. I have the rear wing adjusters on a bellcrank assembly with the future possibility of adding an...
  10. mfain

    Old Project Revitalized - 56 Track Car

    ...The new headers (built by a pro) will be stainless 2.25 inch tubes into merge collectors and a 3.5 inch X-pipe. BTW, did anybody notice the "up-angled" tail pipe exits on the C 8R? Looks like they are doing that to create a low pressure area above the diffuser to help its efficiency.
  11. mfain

    Internal Body Aerodynamics

    You also need to account for the velocity of the inlet air. Here is an inlet diffuser I helped design and my son built for a 300 mph Bonneville Salt Flat car. We were able to shrink the inlet down even smaller (2 inches vertical) to get 22% of the radiator surface area. This reduced drag and...
  12. mfain

    Internal Body Aerodynamics

    Here are a couple of shots of the exit air louvers in the diffuser that I mentioned in an earlier post. The larger openings are where the exhaust exits.
  13. mfain

    Internal Body Aerodynamics

    Some time back in one of the road race bodies (can't remember which) guys were dumping the exhaust into/under the diffuser with some success. It got outlawed because when you let off the throttle you change the exhaust pressure and ultimately the downforce which resulted in loss of control in...
  14. mfain

    Internal Body Aerodynamics

    Okay, more aero stuff. On my 56 I built carbon fiber "tunnels" - actually long diffuser tunnels - between the frame rails and the outer rocker panel. They start with a rounded fender well close-out fairing which blends into the tunnel. (note, there are a couple of pieces not installed in...
  15. mfain

    Internal Body Aerodynamics

    ...the vent. BTW, the duct work for the oil cooler starts with air taken from above the radiator (hard to do on a C-3) and runs through a diffuser of sorts to expand the volume prior to the cooler, and then "nozzle" duct work to the fender vent exit. This is the P-51 "Meredith Effect" that...
  16. mfain

    C1 Carbon Fiber Radiator Duct

    ...in the upper right is one of the brake cooling inlets inside the grill of my 56. The last picture is my brothers 51 Jag (with C6 suspension and a stout, injected LS) for which I am getting ready to build a complete carbon fiber duct/diffuser from the grill opening to the radiator. Pappy Pappy
  17. mfain

    C1 Carbon Fiber Radiator Duct

    I had the motor out of my 62 a while back to do some engine bay clean-up, and decided I would finish the carbon fiber grill-to-radiator duct/diffuser that I started last year. The purpose is to keep the airflow more laminar for engine cooling improvement (just in case a bigger motor ends up...
  18. mfain

    New Toy

    Hey Kid, It is a 2016 Viper ACR with the extreme aero package. 645 HP, big Brembo CCBs, and a big wing/splitter/diffuser. It has an even bigger splitter extension and vertical diffuser extensions that are not installed in these photos - not enough ground clearance for street driving. I...
  19. vette427sbc

    Rear Diffuser Project

    Ive been planning to make some kind of rear diffuser for a while now. Got most of my plans together and started yesterday... Heres what Ive got so far: One of the tunnels out of the mold and roughly shaped. Im going to add a few more layers of glass on it still. The rear valance is cut up about...
  20. 69427

    C3 front end lift (aero) question.

    ...reasonable that this area would contribute to the front end lift. Given that this area (actually, a volume) in front of the radiator is a diffuser, changing high velocity air into pressure (to increase efficiency of airflow through all the radiator fins), the slight pressure gain over a large...
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