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  1. phantomjock

    EXTERNAL AERODYNAMICS

    Pappy - Both your's and yer buddy's have some nice features. The serrated endplates make for nice wake management. That technique offers some interesting possibilities to add to quiver of "aeros." I note the thickness of your splitter - what is the core? Foam, Honeycomb, ply? Adding any rub...
  2. phantomjock

    EXTERNAL AERODYNAMICS

    Pappy - as always - Very Nice Work. Do you have a good source for the CF you can share? Looks as if the Viper piece runs just under the radiator and into the engine bay. I like how the forward tunnels appear to tie into the inner fender wells. All that pressure will be heading for your...
  3. viper panel.jpg

    viper panel.jpg

  4. phantomjock

    EXTERNAL AERODYNAMICS

    I'll add a few points. First found my chart: Then I had a bit of thinking and sketching: So I think worthy of a quick tuft test, short angle double stick tape and see. May not get the extra pressure at the base of the wind screen - depending on engine bay pressure difference. The...
  5. 1751812523769.png

    1751812523769.png

  6. Gurney Flap ht as h percent chord.jpg

    Gurney Flap ht as h percent chord.jpg

  7. BASELINE -STL VELOCITY PLOT + VECTORS 80mps.jpg

    BASELINE -STL VELOCITY PLOT + VECTORS 80mps.jpg

  8. phantomjock

    EXTERNAL AERODYNAMICS

    Two very good goals here: 1. Increase the air pressure at the windshield; " the extra pressure at the cowl might possibly improve the airflow into the L88 hood and engine output.." 2. More central downforce on the car, improved braking {more drag during braking) Goal 1. More Air Pressure at...
  9. c-3 wing belly.jpg

    c-3 wing belly.jpg

  10. phantomjock

    Internal Body Aerodynamics

    I haven't run any numbers. I see this: More Downforce yields more Grip. More Grip yields higher Cornering Speed. Higher Cornering Speed means there is less speed to loose before entry. Less speed to loose generates less braking heat. Two Car Thought Experiment: (Simplistic Assumptions: - no...
  11. phantomjock

    Internal Body Aerodynamics

    A LOT to be said about Anti-Dive and Anti-Squat too (touched on in the video). As I recall the SpeedLab Corvette - has Zero Anti-dive/Zero Anti-Squat. I like the idea of the forces through the CG. It would be an interesting ride. Cheers - Jim
  12. phantomjock

    Long Overdue Progress! Making New Door Panels 12/8/24

    Next step? Shaping these blocks for morphing the C-6 panels in? These are going to be interesting. Cheers - Jim
  13. phantomjock

    Plastic Fantastic 2

    Rule of Thumb - 10#psi per 1000 RPM? Only problem with that "rule" is there is no heat/viscosity factor included. May have to pick one up for the other vehicles. Thanks for the report. Cheers - Jim
  14. phantomjock

    RESTART UPDATE: Project XC-3 RR, Code Name: Elvira

    I have SO many pages of notes and scribbles on my desk - I had to do something. I also really need to catalog and purge my CAD files, Videos, YT, etc. But all that is time away from the "mission." Cheers - jim
  15. phantomjock

    The Tail of The Dragon

    Bet that made it all the more "enjoyable!" Cheers - Jim
  16. phantomjock

    RESTART UPDATE: Project XC-3 RR, Code Name: Elvira

    I wrote; “I too am going "Hammers and Tongs" on Elvira. Will start a post on my "restart". Pics won't be as nice as yours - my Garage is a Disaster area!” All of you with Active Projects provide me the inspiration to get my ass in gear. So here is an update on Project XC-3 RR, Code Name...
  17. phantomjock

    C3/4/5 frankenstein frame

    INSPIRATIONAL! I too am going "Hammers and Tongs" on Elvira. Will start a post on my "restart". Pics won't be as nice as yours - my Garage is a Disaster area! Cheers- Jim
  18. phantomjock

    The Tail of The Dragon

    Very Cool! Get some videos too? Cheers - Jim
  19. phantomjock

    Meme links

    PERFECT! BTW - it would "fit" there too. https://www.symscape.com/files/pictures/misc/elephant.png oops - I've cross-posted - hope that's not bad either!!!
  20. phantomjock

    EXTERNAL AERODYNAMICS

    Reference the post in meme links...
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