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World Time Attack Challenge 2013 Sydney, Australia

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How did it go? I put the hankook semis on it for the guys. Dave was saying he was going to have a steer.

Hey mate, it ran pretty good. we did 5 sessions during the day, did about 25 laps. Engine ran faultless. We need a new battery for the car and made a list of things we think need to be addressed all are small / preventative. Biggest thing is get to the next test and turn the power up. After we get running well at power and doing a good lap count we are ready to put the expensive tires we would use for WTAC on and test them/do handling setup stuff.

Lap times werent even going for it, David Lenthall (engine tuner) was driving and spent most of the laps checking the vitals. the FPR warn kept going off because it was expecting the pressures from higher boost. Took a couple adjustments to get it right.

We long a lot of engine parameters closely on that car and we can see issues very quickly. Car was very clean on all the vitals.
 
Our third test will be at the Japanese Nationals at Queensland Raceway this weekend! Check out the new rear wing. I designed a triple element for APR and we are testing the prototype unit. We are also making a huge change to the new Haltech Elite ECU which has some really wicked boost control features we needed to help control the power and acceleration.
 

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Holy BatWing, Batman! I'd be curious to see the CFD images of that. Though the down force must be massive, Isn't the drag in straightaways too? Or do the slots help with the drag? Best of luck with your testing!

I know you know what you're doing, just curious how the balance plays out.
 
Holy BatWing, Batman! I'd be curious to see the CFD images of that. Though the down force must be massive, Isn't the drag in straightaways too? Or do the slots help with the drag? Best of luck with your testing!

I know you know what you're doing, just curious how the balance plays out.

Actually, if I remember correctly multi-element wings tend to be more efficient than even a single element 3D wing. At least that was the case when it came to Andrew's last dual-element wing that he designed. It made more downforce with less drag than just about anything else that APR makes. There used to be a link on AMB-Aero that had the CFD Analysis and everything comparing them, but that link seems to have disappeared...

Car is looking great though Andrew! I hope all of your hardwork pays off. I hope you let us know all of the results. By the way, how's your new Aero model working out?
 
Hey thanks guys. The triple element does in fact make less drag for the same amount of downforce as the dual element, that is correct! Here are some hi res pics from the test, which by all accounts was a big success. We got great feedback from the driver on the handling stuff and it is very promising. The guys are going to give everything a good once over top to bottom the next big test is a landmark for us as we will have Tom Sutherland back in the car.
 

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Heh heh, that rear wing must lift the rear of your tow vehicle at highway speeds, it being an open trailer. ;)

Talking with an owner of an A-MOD autocross car once, he said he had to switch to an enclosed trailer because the car created so much down force it flatted the tires of his open trailer. :cool:
 
Oo... Any chance that's Tom behind the wheel? Or is this from the previous test session?
 
Just to let everyone know - Andrew could use some more support, as I've been told the team is trying to gather funds to have Tim Zimmer (a Wiseman here on the site) flown out to help provide assistance for the team. If you're able to help out, consider donating some cash to help fund the effort:
http://www.dsmtuners.com/pages/wtac_andrew/

It's not very often we see a DSM in these types of events, so any and all support from the DSM community will be huge!
 
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