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BillH | Open Wheel Build | ||
The Stig Moderator
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I found a couple rolls of film in the shop of the Formula E cars I was building in the rrace shop a couple years ago.
They are shipped from England with only the bellypan and wiring harness installed. The motor and transaxle are built but not installed. Everything else is in boxes. 2008 Van Diemen Formula E Hubs & Brakes [IMG]http://i830.photobucket.com/albums/zz223/Billhet/LastScan.jpg[/IMG] Transaxle & rear shocks (5 speed sequential) [IMG]http://i830.photobucket.com/albums/zz223/Billhet/1.jpg[/IMG] Frame [IMG]http://i830.photobucket.com/albums/zz223/Billhet/3.jpg[/IMG] Engine & Transaxle installed, unplumbed [IMG]http://i830.photobucket.com/albums/zz223/Billhet/2.jpg[/IMG] Wing and center bodywork installed [IMG]http://i830.photobucket.com/albums/zz223/Billhet/5.jpg[/IMG] [IMG]http://i830.photobucket.com/albums/zz223/Billhet/4.jpg[/IMG] On the scales before we got the scale platform. I used a trammel bar to build the wishbones and suspension links (like the Banskis), so all the measurements were dead on. The car was within 10 lbs. on the corners. [IMG]http://i830.photobucket.com/albums/zz223/Billhet/6.jpg[/IMG] [IMG]http://i830.photobucket.com/albums/zz223/Billhet/7.jpg[/IMG] Some of the pics didn't come out. I had one of the 8 inch aluminum flywheel and triple disc clutch. Weight on the flywheel, clutch/pressure plate is 10 lbs. |
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Posted on: 2010/12/8 23:22
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Ultraman | Re: Open Wheel Build | ||
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Tell me about the drivetrane. How much hp and tq does it make?
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Posted on: 2010/12/8 23:25
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BillH | Re: Open Wheel Build | ||
The Stig Moderator
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The motor's a 2300 Mazda, 4 cyl with headers and a different (race) ECU. About 185 HP. The trans is siquential 5 speed, just keep pulling back for the upshifts, no clutch used since it's a dogring trans. It has a cable operated lockout for neutral & reverse so you can't possibily hit neutral when downshifting.
Accereration in 3rd & 4th is equal to a Z06, 1st & 2ond is way faster than a Z06 due to the car's weight (1100 lbs.) In the corners it's well just silly, basically will be out of sight against a Z06 in 4 or 5 corners. |
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Posted on: 2010/12/8 23:31
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BrianCunningham | Re: Open Wheel Build | ||
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Formula E = Formula SCCA?
nice cars, I remember when they came out. |
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Posted on: 2010/12/9 0:04
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BillH | Re: Open Wheel Build | ||
The Stig Moderator
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Yea. Best bang for the buck (relatively) in racing. We were one of 2 SCCA CSA's (Customer Service Reps) on the west coast for these cars. |
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Posted on: 2010/12/9 0:14
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BillH | Re: Open Wheel Build | ||
The Stig Moderator
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Two of us on the racetrack.
Attach file: _0002.jpg (0.00 KB) |
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Posted on: 2010/12/9 0:56
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Ultraman | Re: Open Wheel Build | ||
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Injected or a power adder? Of course if you put the ZO6 engine in there it would be like those old rocket sled films from the 60's. |
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Posted on: 2010/12/9 1:15
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flyboy | Re: Open Wheel Build | ||
Elite Guru
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That is cool. Are they durable?
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Posted on: 2010/12/9 1:49
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BillH | Re: Open Wheel Build | ||
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Stock Mazda TB & injection. Of course you could up the motor, then you start breaking stuff and up your racing budget to $100k a year. |
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Posted on: 2010/12/9 1:59
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BillH | Re: Open Wheel Build | ||
The Stig Moderator
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Extremely reliable. The motor's sealed, so, you can't mess with it which is really good on your budget. The motor will run 4 seasons easily with maybe a 5 HP loss at the end. A season would be 12 race weekends and maybe 6 test days. Compared to my Formula Ford that needs the motor done every season @ $4,500, 5 years on the FE - $5,000 5 years on the FF - $22,500 Brake rotors - 2 to 3 seasons vs a Z06 that destroys the rotors in 8 hours of track time. Brake pads - 2 sets/season vs a Z06- 1 day. Just using the Z for comparison, I still want one and would take it to the track. Tires are a different story - $$$$$$ no matter what car. |
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Posted on: 2010/12/9 2:07
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bogus | Re: Open Wheel Build | ||
Grand Imperial Pooh-Bah
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that is the cool!
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Posted on: 2010/12/9 7:48
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rklessdriver | Re: Open Wheel Build | ||
Senior Guru
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5G's over 5yrs on an engine is darn good.
I personally hate the "crate engine" deal because it's bad for alot of engine builders - but I will admit that if ALL the racers followed the rules it would save $$$. About 5-6yrs ago we lost a couple local Late Model dirt customers who decided to go run CRATES... we had them back a year later. There is so much cheating going on with the GM 602/604 Crate Engines it's not even funny. Hell I have a box full of the bolts to "seal" them back up. They end up spending as much to cheat up a GM 602/604 so it will compete that they could have just built a real engine in some classes (not Late Model thou). Very popular local track allows 3 engines in their Sportsman class with a 100lbs weight break to 2300lbs and 12" spolier for the GM Crates... Even hampering a professionally built engine to steel 23* heads (unported), flat top pistons and flat tappet cams, with an 8" spoiler@2400lbs - unless the crate is cheated up your gonna get lapped running one. I know for a fact the Spec Miata guys are as bad as Dirt track Crate racers... How is it in Formula E? Can you really be competitive with a 100% untouched engine? Will |
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Posted on: 2010/12/9 21:59
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BillH | Re: Open Wheel Build | ||
The Stig Moderator
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Yea, Wil, I agree about the crate engine thing. But these motors go to a builder that's contracted by SCCA Enterprises (the subsidiary of SCCA that handles race cars) so some builder is getting the business. And all the motors dyno within 3 hp.
The nice thing about Formula E is it's a spec class, once you pay for the car, you can't throw money at it no shock upgrade, spec tires, etc. all you can add to the car is a radio and a bead seat. (I hate spec cars in Pro racing but for us amateurs, it helps the cash flow). BTW, the engine gets good life cause the rev limiter's set way low, soft cut starts at 6,300. Spec Miata is a whole different story, everybody said yea, a cheap class to race. Then the frontrunners got serious and started buying legal engines from Huffacre at Infineon for $7,500 each to be competitive. They now also have a Sealed Spec Miata class where you can't touch the engine. IMO, Spec Miata's suck, I've raced them in 25 hour endurance races and was bored as hell. |
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Posted on: 2010/12/9 22:42
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