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-   -   Official "my latest HPDE experience" thread. (https://www.revscene.net/forums/695361-official-my-latest-hpde-experience-thread.html)

SumAznGuy 04-28-2015 06:31 AM

Quote:

Originally Posted by ncrx (Post 8630429)
you'll get the car in situations you'll never get to see on the street, and if u do at a track day, you'll end up with a very expensive repair bill.

It's true. After spinning out so many times in my S, I've mastered the spin, put her in neutral and drive the course backwards, away from the people.

Spun it on T9 at Mission, ass first towards the wall. :heckno:

http://www.quickmeme.com/img/54/542c...f4563d6359.jpg

Put the car in neutral and drove it back wards down the front straight. :fuckyea:

duy- 04-28-2015 07:27 AM

Quote:

Originally Posted by 320icar (Post 8630422)
i work every weekend. so that throws pretty much all of that out the window. and also on my motorcycle there aren't really autox. so that would be straight to novice track day events.

anywyas. good info

ubcscc is on a Monday
all ffdxtss events are on the weekend so you're shit out of luck anyways

trollguy 04-28-2015 07:41 AM

Quote:

Originally Posted by Deepstriker (Post 8630419)
https://fbcdn-sphotos-c-a.akamaihd.n...46449357_o.jpg

Whoa that ricer from the RS Spring meet was there? Surprised there wasnt any food leftover on that table top :heckno:

that car is clearly photoshopped.

who would do such a ridiculous thing :whistle:

underscore 04-28-2015 07:59 AM

Is the rear set lower than the front or is the wing really pushing it down that much?

kchan 04-28-2015 08:08 AM

Quote:

Originally Posted by underscore (Post 8630514)
Is the rear set lower than the front or is the wing really pushing it down that much?

that car is all functional

the angle of the wing was done specifically to generate more downforce than the angle of the curve of the wingblade itself can generate

the amount of downforce with this setup is tremendous and the improvement in laptimes show this vs last year with no wing (~8 seconds faster - a good chunk of that time can be a mixture of improved driver skills, confidence level, and extra downforce)

Traum 04-28-2015 08:11 AM

Dont forget that the car was almost certainly getting on the gas at that point, so weight transfer would also have pressed down on the back end as well.

trollguy 04-28-2015 08:18 AM

that car makes only 50hp with 2000lb springs.. no such thing as weight transfer on that

Expresso 04-28-2015 09:26 AM

Quote:

Originally Posted by Deepstriker (Post 8630419)
https://fbcdn-sphotos-c-a.akamaihd.n...46449357_o.jpg

Whoa that ricer from the RS Spring meet was there? Surprised there wasnt any food leftover on that table top :heckno:

LOL yea thats the one! I pushed the car like a shopping cart at the Spring meet. :whistle:

westopher 04-28-2015 09:45 AM

Hey 320icar here are some schedules that have some weekday first timer friendly events, but they are down in the States.
High Performance Driving Events, HPDE, Hooked On Driving - Event Listing
You'd want to do the one day HP school from the event calendar below
Events for April 2015 | ProFormance Racing School

320icar 04-28-2015 10:53 AM

Thanks man. Should be picking up an intercooler setup shortly (as even in stock form, the ST has a heat soaking problem). I gotta get my butt in gear for this studf

v67gsr 04-28-2015 01:21 PM

Quote:

Originally Posted by kchan (Post 8630517)
that car is all functional

the angle of the wing was done specifically to generate more downforce than the angle of the curve of the wingblade itself can generate

the amount of downforce with this setup is tremendous and the improvement in laptimes show this vs last year with no wing (~8 seconds faster - a good chunk of that time can be a mixture of improved driver skills, confidence level, and extra downforce)

I never saw this car up close but let me ask you one question. How did he mount his wing? Is it anchored to the trunk floor and support by the rear sub frame? If not then he is doing it wrong. I am no expert in aero. I only have a little more of that on my car than others. His wing position is typical time attack style but there are so many support element missing to make it safe. I suspect he merely mount it on gap between the trunk lid and the rear quarter panel. In general that is a good location to mount a wing to the chassis but his wing position (relative to the chassis) will generate massive amount of down force. Given the leg is at 45 degree there will massive amount of leverage apply to the mounting location. IMO, probably too much for that mount location to handle without additional support. On top of that, I don’t see a splitter. Wing of that size and position can/will upset the chassis balance BIG Time. It is possible to have too much aero.

I know you are a friend of him. I urge you to talk to him to revise his aero if my assumption of his mounting is correct. He may be able to walk away if his aero fail, but the one following him may not. I support aero upgrade but it has to be done in a safe and responsible manner.

trollguy 04-28-2015 02:34 PM

your assumptions are wrong.

his wing is mounted to his trunk and his trunk is mounted to the chassis

v67gsr 04-28-2015 02:59 PM

You mean like this ?

http://cdn.snappages.com/moyycs/asse...1410396905.jpg

If yes, then my assumption is still correct.

FYI, I mean this

http://sg-motorsport.com/wordpress/w...03-634x700.jpg

If he didn’t mount his wing similar like that, to the structural area, his way of mounting is wrong.

underscore 04-28-2015 04:13 PM

Quote:

Originally Posted by trollguy (Post 8630661)
your assumptions are wrong.

his wing is mounted to his trunk and his trunk is mounted to the chassis

The connection points between the trunk and chassis generally aren't very solid though.

belaud 04-28-2015 04:34 PM

For those having second thoughts because you might "destroy" your car on the track, it's very hard to do so unless you completely miss a gear or don't know what the brakes are.

Just know your car's weak points and bring some necessary equipment or spares.

There's a large variety of vehicles that go, like a Focus ST behind me, and FRS in front.

https://mgreviewsblog.files.wordpres...015-6-copy.jpg

My first group even had a Porsche Macan, so there is absolutely no reason not to bring your /insertsportscarhere along. I encourage everyone to come to the next one, it's a blast and I love putting names to faces also!

westopher 04-28-2015 04:47 PM

If thats the same macan that was at mission.....holy fucking shit he was a good driver, or his car is insanely setup from the factory, or both.

boatcaptain 04-28-2015 05:01 PM

thot ill see more hair dresser car on sunday :(

well heres mine.i was trying to chase a orange beetle :p

320icar 04-28-2015 05:24 PM

Quote:

Originally Posted by belaud (Post 8630706)
Spoiler!

*fiesta st

v67gsr 04-28-2015 07:08 PM

Quote:

Originally Posted by belaud (Post 8630706)
For those having second thoughts because you might "destroy" your car on the track, it's very hard to do so unless you completely miss a gear or don't know what the brakes are.

It is not that hard to do it on Pacific Raceway. I have seen too many car flipped up-side-down, in the trees, and up the hill.

Deepstriker 04-28-2015 08:06 PM

Quote:

Originally Posted by v67gsr (Post 8630628)
I never saw this car up close but let me ask you one question. How did he mount his wing? Is it anchored to the trunk floor and support by the rear sub frame? If not then he is doing it wrong. I am no expert in aero. I only have a little more of that on my car than others. His wing position is typical time attack style but there are so many support element missing to make it safe. I suspect he merely mount it on gap between the trunk lid and the rear quarter panel. In general that is a good location to mount a wing to the chassis but his wing position (relative to the chassis) will generate massive amount of down force. Given the leg is at 45 degree there will massive amount of leverage apply to the mounting location. IMO, probably too much for that mount location to handle without additional support.

I think you might be onto something, when I talked to the owner at the RS meet he told me he had calculated the load bearing force based on the amount of pizza that was stacked ontop of his trunk at the last track day. He said the approximate load on the wing with a safety factor of 2 should be approximately 70-80 pizzas or 110.4kg (1083.024N).

Someone once told me engineers make good assumptions are you in the industry v67gsr? Would love to hear more about your assumption and calculations on the load bearing force at 45 degree angle.

Do you think his setup is meant to handle the amount of pizzas he claims it can hold? :accepted:

https://scontent-sea.xx.fbcdn.net/hp...ca&oe=55D3CFE9

Lowered_Klass 04-28-2015 08:19 PM

Ok, now that my project car is coming along, I'm definitely itching to dip my feet into these track days.

Only issue is, where the hell do I start? lol

After reading through this thread, it seems there are a few different ways of going about it... I'm looking for the best way for a complete newb :lol

It seems like it would be a blast, but I want to make sure I go about this the right way :)

v67gsr 04-28-2015 09:35 PM

Quote:

Originally Posted by Deepstriker (Post 8630783)
I think you might be onto something, when I talked to the owner at the RS meet he told me he had calculated the load bearing force based on the amount of pizza that was stacked ontop of his trunk at the last track day. He said the approximate load on the wing with a safety factor of 2 should be approximately 70-80 pizzas or 110.4kg (1083.024N).

Someone once told me engineers make good assumptions are you in the industry v67gsr? Would love to hear more about your assumption and calculations on the load bearing force at 45 degree angle.

Do you think his setup is meant to handle the amount of pizzas he claims it can hold? :accepted:

https://scontent-sea.xx.fbcdn.net/hp...ca&oe=55D3CFE9

Please. If you seriously think your creation is worthy, at least admit it is your own car. Don’t give $hit like “I talked to the owner” unless you have Schizophrenia.

Your pizza example does not resemble what is happening to the mounting location. Do some study before you start arguing. I am no engineer but I do know a bit about aero because I paid a lot of attention in this topic in the past 7 years. I hate to say this but the way you do your aero resemble a lot of ricer and time attack wannbe. Do yourself a favor, redesign it, don’t be a joke and a ticking time bomb moving around town. Last thing we want is someone head got chopped off because you refused to accept some basic physic.

dared3vil0 04-28-2015 09:37 PM

http://i.imgur.com/NnoGhN1.gif

duy- 04-28-2015 10:09 PM

Quote:

Originally Posted by Lowered_Klass (Post 8630795)
Ok, now that my project car is coming along, I'm definitely itching to dip my feet into these track days.

Only issue is, where the hell do I start? lol

After reading through this thread, it seems there are a few different ways of going about it... I'm looking for the best way for a complete newb :lol

It seems like it would be a blast, but I want to make sure I go about this the right way :)

1. brake pads
2. tires
3. brake fluid
4. reliable car, free of leaks, loose parts, and rubbing
5. sign up for motorsportsreg

after all that just search mission events locally, mission is a great place to learn, very technical and its a great equalizer for cars that dont have 200+ hp. some good local clubs you can add to your motorsportsreg watch list are VCMC, UBCSCC, PDC, SCCBC. i personally always start the season off with a shakedown at mission, if anything were to go wrong, its local so theres less stress.

320icar 04-28-2015 10:24 PM

Quote:

Originally Posted by v67gsr (Post 8630839)
Your pizza example does not resemble what is happening to the mounting location.

its not bolted to the trunk lid. do you have any idea how miatas mount their GT and track wings.


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