Motorsport for Newbies

tomo
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Re: Motorsport for Newbies

Postby tomo » Wed Jul 01, 2009 10:49 pm

Get a closed face helmet, no one wants to look like seton or dick. They offer more protection plus you can use them for motorbikes and go karting.

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Re: Motorsport for Newbies

Postby rickzta » Fri Jul 03, 2009 9:16 pm

3 A car that’s in good condition, ie working indicators, brake lights etc.

Nic


Dont forget the little things, like check your oil, your wiper blades, washer bottle fluid (a litte bit of "bars bugs" helps)

An "in car camera" if you have the luxury is always nice...

Get a CAMS L2S licence, the only VIC tracks that will accept AASA is Winton and Calder...

Sounds odd coming from a "tyre guy", but TYRES have a good close look at them, including pressures...

I will add more as i think of it...

cheers

ricky
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Re: Motorsport for Newbies

Postby MrEs » Mon Jul 06, 2009 1:11 pm

XTBoy wrote:Leave that to me.

I'll convince her that you were at greater risk driving the ocean road than on any of the tracks we compete at!!!

Cheers

hmmm that COULD backfire nervous


BTW great post nic!!
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Re: Motorsport for Newbies

Postby what_the » Tue May 11, 2010 11:12 pm

tomo wrote:Get a closed face helmet, no one wants to look like seton or dick. They offer more protection plus you can use them for motorbikes and go karting.

Who looks like a Dick or a Seton?

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Harbs
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Re: Motorsport for Newbies

Postby Harbs » Thu May 13, 2010 2:07 pm

tomo wrote:Get a closed face helmet, no one wants to look like seton or dick. They offer more protection plus you can use them for motorbikes and go karting.


Now I know why this man didnt decide to do Motorsport...

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cruisn
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Re: Motorsport for Newbies

Postby cruisn » Thu Aug 12, 2010 9:34 am

Very informative list. Cleared a few things up without the need to ask.

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Re: Motorsport for Newbies

Postby mikes » Thu Aug 12, 2010 9:39 am

:) and if there is anything your unsure of, dont hesitate to ask or shoot me a PM
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Re: Motorsport for Newbies

Postby cruisn » Thu Aug 12, 2010 9:42 am

Cheers. :thumbs:

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Re: Motorsport for Newbies

Postby scotland » Tue Sep 21, 2010 8:01 pm

Im keen to do track events.
But have a few questions...
What top speeds do people do at these different events?
i assume hill climbs arent as quick as circuits, etc.
Cheers.

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XT1337
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Re: Motorsport for Newbies

Postby XT1337 » Wed Sep 22, 2010 11:47 am

Interesting.. I cannot answer for Top speeds but I got the average speed for the "same" WRX from Natsofts archives
http://www.natsoft.biz/cgi-bin/results.cgi?2010

with these results.

Sandown 136
Winton 118
PI 156
Calder 127

Speeds in the straights at Sandown and PI are 220 km+ (or faster I have sat in a GTR :rice: doing 235 on the back straight at Sanday) :bowdown:

A comparison with Hill Climbs would be interesting, whilst they might be actually slower they certainly dont feel like they are.
A hill climb track is much less forgiving of mistakes.

I find the lower average speed at Winton interesting (i actually thought it was faster than Sandy being more open). Its also a good track for beginners as there is lots of space to run off.

Come to the next one to see its a nice drive over from where you live.
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Re: Motorsport for Newbies

Postby blackrex » Wed Sep 22, 2010 1:21 pm

Slower corners onto the straights at Winton equals lower terminal speeds at the end of the straight. Plus the cleavage section at the back of the track slows it down.
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Re: Motorsport for Newbies

Postby rexdriver » Wed Sep 22, 2010 1:50 pm

I haven't done physics for a long time but isn't terminal speed (or really your max speed for the track) got more to do with how long the straight is (given the same car)?
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XT1337
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Re: Motorsport for Newbies

Postby XT1337 » Wed Sep 22, 2010 5:08 pm

Actually its both :smart:

the formula is v^2 = u^2 + 2as

Ie terminal velocity in the straight squared = the speed at start of straight squared + 2*acceleration * distance traveled.

THerefore the speed carried out of corner is extremely important

http://www.tutor4physics.com/motion1d.htm
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Re: Motorsport for Newbies

Postby Lick the Knife » Wed Sep 22, 2010 5:17 pm

scotland wrote:Im keen to do track events.
But have a few questions...
What top speeds do people do at these different events?
i assume hill climbs arent as quick as circuits, etc.
Cheers.


Can't speak for all Hill climbs, but top speed for a standard Rex would be around 130k at Haunted Hills I think, I see a bit less than that when I get the chance to look. nervous
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rexdriver
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Re: Motorsport for Newbies

Postby rexdriver » Thu Sep 23, 2010 8:21 pm

ForesterXT1337 wrote:Actually its both :smart:

the formula is v^2 = u^2 + 2as

Ie terminal velocity in the straight squared = the speed at start of straight squared + 2*acceleration * distance traveled.

THerefore the speed carried out of corner is extremely important

http://www.tutor4physics.com/motion1d.htm


BUT given the formula changes in the initial speed hardly change the max velocity compared to acceleration.

Do this enter 800m for distance, 2m/s square for acceleration and 3 m/s for initial speed
you will get 56.66 m/s for final speed.

Now increase the initial speed by TWO factor 6 m/s you get 56.90 (not much of an increase).

Change initial speed to back to 3 and change acceleration to 4 (you just turn up the booooost) you will get final speed 80.06

QED :smart:


DON'T GET ME WRONG initial speed (entry speed) is very important to lap time ;) you get to very similar final speed but faster ;)
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XT1337
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Re: Motorsport for Newbies

Postby XT1337 » Thu Sep 23, 2010 9:59 pm

Yes my gut feeling agrees with you but I will plug some figures in


90 km = 25ms
235 = 65m/s

Ok want to do 235 from 90 over 800 km
25ms to 65 ms
Accelearation needed
A = 2.25 m/s/s
Average = 162.5 k

Time to end of straight
V= u + at
65-25 = 40/2.25 =
18 secs to end of straight (17.78)

Ok lets say exit corner at 20ms = 72 k
At end of straight at same accel = 63m/s = 228k
Average = 150k
V=u+at
63-20= 43/2.25 =
Now it takes 19 secs (19.11)

And in theory the acceleration is standard for a particular car .. you cant just turn up the snail.
It would already be flat out (or you arent really trying)

Now that’s probably an extreme difference

Lets make it a small difference lets exit corner at 86km = 24m/s
At end of straight doing 64.6 m/s = 232.5 km
It now takes 18.04 secs till end of straight

Yep agreed not much but I just beat you to end of straight by 0.25 secs. If it was similar cars on same track.

The situation between tracks is more like the first comparison (90kmh vs 72 kmh)
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scotland
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Re: Motorsport for Newbies

Postby scotland » Fri Sep 24, 2010 1:10 pm

Thanks for the info guys.
Very interesting.
Would love to do track days - may have to wait until i upgrade - not major fan of running a GC8 re potential safety issues.

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redrex
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Re: Motorsport for Newbies

Postby redrex » Tue Jan 25, 2011 1:28 pm

some very instreasting facts there!!
im very keen to start competing and track days i imagin being a member of the wrx club and if i get a cams licence i can compete anywhere in vic, but in the short term is there a link anywhere that i can see whats on every weekend and where in victoria just at a club level. i have just been goin through some pics of last years club days and reconised a few cars that were at the last winton fun day on the sunday just gone. my cars gutted and not regoed and i have no licence so im keen to drive when ever i get a chance :thumbs:

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Re: Motorsport for Newbies

Postby XT1337 » Tue Jan 25, 2011 9:55 pm

Hi
well If the clubs are CAMS affiliated and their event is covered by CAMS they will be listed on the CAMS site (if you can find them)

The other thing is that only a few clubs now run them (as they are very time consuming to organize).
No one club has enough interested members to run their own.
So there are probably 4 groups of clubs who either take it in turns to run them (Group 5 ...PIARC.HSSVC.FFCC..GCC? Mini?)
Or like us run them and charge other clubs members to come along. (Mazerati, WRX, AROCA)

There are also the purely commercial entities .. Tampered, Driver dynamics etc.

Some of these clubs run better days than others..
We run one a month, i reckon you can easily find a GOOD other club event on at least 1 other weekend a month.
I think more than that you will break yourself from the costs of tires and brake shoes.
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redrex
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Re: Motorsport for Newbies

Postby redrex » Thu Jan 27, 2011 7:18 am

yeah once a month i think would be great! only hastle is sundays is my only day off (dam retail) so any thing i can find on these sundays is a plus :thumbs:

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