308 17" wheel design | Page 2 | FerrariChat

308 17" wheel design

Discussion in '308/328' started by velocityengineer, Jan 17, 2007.

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  1. Mike C

    Mike C F1 Veteran
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    #26 Mike C, Jan 18, 2007
    Last edited by a moderator: Sep 7, 2017
    Your second series, closer to a QV wheel in 17" would be GREAT. A true replica-ish lightweight QV wheel in 17" would be even better. If someone makes these and price doesn't turn out to be too outrageous, I'm in for a set!!!!

    QV wheel close-up (mine):
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  2. hank sound

    hank sound F1 Veteran

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    Hey Bubba,

    Some of those moments in high school engineering classes, jump to the fore - - don't they.?

    The first thing (OK, second) I did in 1956, my senior year at Van Nuys High--------was to blow the rear end in my hot rod. Problem: HP - big tires - and 4:55 rear end (seriously quick).

    Cheers,
    Hank
     
  3. velocityengineer

    velocityengineer Formula Junior

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    #28 velocityengineer, Jan 19, 2007
    Last edited by a moderator: Sep 7, 2017
    Hi Mike,

    OK the 308 troops have spoken, and so I have made the wheel to mimic the QV very close.

    The spokes are a touch thinner in front view to save a bit of weight. The rim design and connection to spoke are is a bit smoothed. As an 8 inch version currently, there is a touch more lip, which gives the wheel some depth. The offset is correct to keep the scrub radius same as OE. there would not be detriment to the steering feel.

    I have drawn it as a one piece wheel. Could be 2 pc as well.

    I also added color to it in a dark chrome with 225 section tire for show.

    Enjoy.

    Eric
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  4. barcheta

    barcheta F1 Rookie

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    #29 barcheta, Jan 19, 2007
    Last edited by a moderator: Sep 7, 2017
    Very nice!!! Can I make a suggestion? How about thinning out the spokes a bit more? Sort of like a cross between the present style and the the ones on the 360. Leave the elements that you have in place in regards to the general look. I like the idea of a unique design that pays homage to the original. Sort of like the Cragar S/S and S/S 980 below.
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  5. Mike C

    Mike C F1 Veteran
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    Ackk -- no! Stick with the classic QV design... the amount the spokes are thinned in Eric's last iteration is just right (in my opinion).
     
  6. barcheta

    barcheta F1 Rookie

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    What Mike no adventurous spirit? :) I'd like to see... just for s**ts and giggles!
     
  7. Mike C

    Mike C F1 Veteran
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    #32 Mike C, Jan 19, 2007
    Last edited by a moderator: Sep 7, 2017
    Regarding offset and fender clearance... I'm running stock wheels, but I've added 5/8" H&R spacers to the rears to fill out the fender wells. No clearance problems... been running that way for several years now, including on the track.
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  8. barcheta

    barcheta F1 Rookie

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    You've probably stated this before but did you drill your bumper shocks or replace with shorter supports? Car's looking nice BTW!
     
  9. Mike C

    Mike C F1 Veteran
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    The pics you show is a reversed spoke design... wider on the outside and thinner on the center of the wheel... I just don't care for that look compared to the stock style.
     
  10. Mike C

    Mike C F1 Veteran
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    Thanks! Front bumper shocks were drilled and I pushed them in. No setscrew necessary... it's been years and no movement. I left the rear bumper stock.

    Brembo front brakes, Girodisc rear setup, Varishocks with adjustable height, stiffer adjustable roll bars, poly bushings all around.
     
  11. barcheta

    barcheta F1 Rookie

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    LOL no no I wasn't saying to make them like that I was giving reference to the old style SS versus the NEW 980 style.... I tend to visualize my thoughts this way to make a point. I was saying that I'd like to see a QV style rim that has strong family resemblance to the original but was just different enough to not be confused with the old QV style. Since Eric has been so gracious to share his CAD/CAM skills with us.
     
  12. barcheta

    barcheta F1 Rookie

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    I need to do this to mine at some point...
     
  13. Mike C

    Mike C F1 Veteran
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    OK, *now* I understand your point. :p But in my opinion, he's done that by making the spokes slightly thinner already...
     
  14. barcheta

    barcheta F1 Rookie

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    You may be right.... possibly make the raised edge around the spokes and the center hub thinner then? To be the same thinkness as the raised rim portion at the outer edge of the spokes. Using your front rim as an example since the fronts are not dished like the backs are.
     
  15. barcheta

    barcheta F1 Rookie

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    #40 barcheta, Jan 19, 2007
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  16. BigTex

    BigTex Seven Time F1 World Champ
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    Man, just checked back in here,.....PM me when I'm getting slagged like this! LOL!

    My comment wasn't meant to be discouraging ...I've argued with a guy running 17"s before.....they work, they fit......I was joking about the fender lips....really!

    And you really have to say "street" or "track" at the start of these discussions..

    I run 14"s, 16" and 17"s ....wait, the karts are 12"s so put that number at the start there!

    I also realize the option for performance brakes etc.....

    Lessee, Greg328 has started how many "oh f_ck, help me!" threads since he went down the aftermarket wheels/brakes/proportioning valve/aftermarket shocks road, and don't forget the one wrecking the car!

    Laugh at me if you want to.....but I spend my weekend mornings in a MUCH different way...........;)
     
  17. BigTex

    BigTex Seven Time F1 World Champ
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    Look Greg328's broken his rear castings now.........makes those old Konis look better all the time!

    And you hit the nail on the head....I drive my old 1977s SLOWLY down the road......better to make eye contact at the intersections.

    The other problem I have with the +1, +2......+ whatever tire packages is rim damage...I am in the real world where everytime they lift my car in Houston it's..

    "Oh, you have a snapped sway bar support......."
    "Your frame rail uprights are cracking, wheel the welder over here....
    "Man, look at THIS dent in the belly panel!!!!"

    There's just too much major debris in the main lanes, even before you hit the side roads rolling over dogs and livestock........this large coyote disappeared into the front grill that one time...you could smell it, for DAYS!


    Roll on, guys....really.
     
  18. BigTex

    BigTex Seven Time F1 World Champ
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    Actually, Eric your last revision, looks very nice....

    In an appropriate diameter I'm sure you'd have a good niche market. I am not married to the OEM 14" or 16" rims......as to pricing, I pay $50 to $250 each for them.........used, of course.....;)
     
  19. Birdman

    Birdman F1 Veteran

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    Eric, your last revision is starting to seriously kick ass! Where can we get them made????

    Birdman
     
  20. velocityengineer

    velocityengineer Formula Junior

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    Hiya Bubba, sorry for the lecturing. I put my soapbox away.

    JB, the original two wheels I showed had more modern ideas and played with the idea of adding more 3d to the wheel. The preference shown in the thread is more towards a closer replica.

    The OE 14-16 wheels tend to look even smaller than they are as the spokes are very thick as is the rim section. This leaves little open space between spokes. I wanted to increase this space to open up the wheel a bit. I also agree that a 18" wheel is too much visually for the 308 wheel well. The wheel functions just fine, but it just doesnt look quite right to me. I think 17" is just about right.

    Birdman, check a few posts back, i talked a bit about making them. It is possible, but low production=high costs. I have done one-off rims before for concept cars, and the cost is staggering. For low volume production, the material and manufacture (cast/billet/forged/etc) needs to get worked out and cost analyzed. - and i am sorry to say that if there isnt a buck in it for me, i am not interested. Anyway, its still just an exercise for now.

    i will refine the latest design a little and give some weight estimations.

    Cheers
    Eric
     
  21. Mike C

    Mike C F1 Veteran
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    Yeah, we want to be able to show off those Girodisc rotors!! :p
     
  22. Birdman

    Birdman F1 Veteran

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    I read it, I was just working on getting someone to come up with a clever way to get them done. :D

    Birdman
     
  23. barcheta

    barcheta F1 Rookie

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    Eric you have done some amazing stuff in this thread. Thanks! My preference is also leaning more towards something resembling a replica, but more streamlined and less clunky than the original. You have clearly done this. If you don't want to do another rendering that's fine. It just would've been to satisfy my own curiosity anyway. :)
     
  24. velocityengineer

    velocityengineer Formula Junior

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    #49 velocityengineer, Jan 19, 2007
    Last edited by a moderator: Sep 7, 2017
  25. climb

    climb F1 Rookie

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    Hmm.. see what you mean about the fat spokes.

    This last version you designed looks good.
     

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