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IPRA 4 Door LX

Started by eyepeeler , May 15 2011 05:46 PM

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#701 _LXSS350_

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Posted 01 June 2014 - 12:06 AM

Would love to mate, that's what I would love to be able to do. Haven't seen that before though, you built that yourself?
Unfortunately the rules of IP won't let me modify that from standard. Will have a look again as it's been a while since I looked at that part of the rules.

 

Yes do it on most of the modified hatch's. Looking at the grandma tyres they stick you with it probably is against the rules, heaven help something that makes a race car get around the track faster. ...... LOL

MHDT never worried about rules (at least till Harry joined Cams and spilled the beans on what he illegally had done) ...... LOL

 

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PS: Just thinking you will be busy picking up and dropping off passengers in that racing taxi so I guess fast isn't needed ??  Must be at least 2 taxi ranks around the Barbs track so lots of stop starts.

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Don't forget to put a holder on the dash for your drivers photo id card


Edited by LXSS350, 01 June 2014 - 12:18 AM.

#702 355LX

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Posted 01 June 2014 - 09:56 AM

Hahaha, too funny!

Looking good Craig, I'll drop those tyres off this week mate.

#703 _LXSS350_

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Posted 01 June 2014 - 03:14 PM

Craig as you are doing the third link rather than me attempt to explain here are some threads I thought might help with your understanding of weight transfer. This especially true of the torana with its poor roll centres, excessive weight over the front and why people throw in massive heavy rate front springs to stop the front-end from wanting to hit the outside wall. It's also why std they limited suspension travel because of the poor geometry and mounting positioning.

 


 

Another view on anti-squat. Same information just stated slightly different.

Anti-squat is a measure of how much of the wt being transfered during acceleration is supported by the suspension linkages. The rest is supported by the springs.
Ie if you have 50 percent anti-squat your linkages will support 50 percent of the wt being transfered and 50 percent is being supported by the rear springs.


The rear suspension inputs a force at the SVIC. anything less than 100 percent the linkages are only able to hold up the that percentage and the springs the rest. When it is over a hundred percent the linkages are able to input enough force to actually over come the wt transfer.
IE at a 110 percent the suspension inputs 10percent more force than what is being transfered during acceleration resulting in the rearend of the car lift.

Also keep this in mind. The higher the anti-squat the quicker the force is supplied to the rear tires. This can in some situations cause the car to get upset. Because tires are basically rubber springs (think basketball) the FASTER they are slammed into the ground the more they will rebound. When this happens the tires will lose traction.
So remember you need to pay attention to the rate of force being applied not just the magnatude.

 

http://www.pro-touri...5660#post115660

 

Then again some decent stuff over at Jamaica.

http://www.wheelsjam...1948#msg2411948

 

Now Craig with all that sweating remember to put the cherry scent in that taxi so you get the old cherry BO happening.

 


#704 eyepeeler

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Posted 01 June 2014 - 09:29 PM

Here you go Col. Best I can do for you.

 

Attached Files


#705 eyepeeler

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Posted 01 June 2014 - 09:37 PM

Some of those article are pretty detailed on weight transfer and COG stuff. Very interesting to read it. To be honest I don't know enough to make good sense of it in a practical way, but the explanations were pretty good.

You know that I might as well put a sticker on the car when its done in tribute to all Taxi's, any one got a good design I could use??

 

Cheers Dave, will look forward to catching you sometime this week. I have sent the rims to the machinist to get the centers bored out to suit the hub on the diff, should be ready this week as well.


#706 _LXSS350_

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Posted 01 June 2014 - 11:14 PM

Craig it's not that heavy its just math and logic. For the best visual representation watch the tin tops launch at the drags in slow motion.  Of course that's F/R weight transfer set-up for no corners. All things being equal whatever form of racing such tuning flexibility can be the difference between winning or loosing.

 

 

 


#707 eyepeeler

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Posted 01 June 2014 - 11:31 PM

http://m.youtube.com...h?v=4e9CkhBb18E


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#708 _LS1 Hatch_

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Posted 02 June 2014 - 12:40 AM

The caliper is an AP Racing CP5200 and a CP3580 295 dia 28mm thick disc.

LOL, long studs they are.

Those wheel studs nearly poked me in the eye all the way over here , lol..

Looking good !!

#709 _LXSS350_

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Posted 02 June 2014 - 12:43 AM

Those wheel studs nearly poked me in the eye all the way over here , lol..

Looking good !!

 

Craig is just trying to make-up for his short comings in other area's !!! ..........   LOL


#710 _LS1 Hatch_

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Posted 02 June 2014 - 12:46 AM

no.gif

#711 _LXSS350_

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Posted 02 June 2014 - 12:53 AM

Viagra


#712 Potta

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Posted 02 June 2014 - 01:24 AM

Some of those article are pretty detailed on weight transfer and COG stuff. Very interesting to read it. To be honest I don't know enough to make good sense of it in a practical way, but the explanations were pretty good.

You know that I might as well put a sticker on the car when its done in tribute to all Taxi's, any one got a good design I could use??

 

Cheers Dave, will look forward to catching you sometime this week. I have sent the rims to the machinist to get the centers bored out to suit the hub on the diff, should be ready this week as well.

 

What about the prices on the door like most taxis have.

 

Just with the price of flagfall and price per k.

 

Subtle but obvious to anyone who gets the joke.

 

If you want to be less subtle you could put the swan taxis strip up the middle like they all have. Never know, they may sponsor you lol.

 

taxi.jpg

 

Or put one of these on the dash

 

069.jpg

 

Those wheels look pretty good on the car by the way.

 

Loving the build so far.


#713 A9X

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Posted 02 June 2014 - 10:57 AM

West Racing (Tim Slako)

94461913

Osborne Park W.A.

 

from an earlier conversation re twin points


#714 _mumbo_

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Posted 02 June 2014 - 08:27 PM

You guys should go up to Barbagalos on Saturday if all goes well Mark Jewel should have his new hatch up there it's been getting a tidy up and dry sump set up

#715 eyepeeler

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Posted 02 June 2014 - 08:48 PM

You guys should go up to Barbagalos on Saturday if all goes well Mark Jewel should have his new hatch up there it's been getting a tidy up and dry sump set up


Is that the white hatch that came from Victoria Kev?

#716 _mumbo_

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Posted 03 June 2014 - 07:15 AM

Yes , the engine didn't like all our RH corners so the decided to dry sump before it got damaged

#717 eyepeeler

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Posted 03 June 2014 - 02:15 PM

Good stuff, I will be out there for a look. I saw it at the last twilight meet at Barbs, but it wasn't running. I heard it went for a short spin earlier in the day.

 

You going??


#718 _mumbo_

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Posted 03 June 2014 - 04:12 PM

That was the oil issues , no im going on a cruise in the C10


#719 eyepeeler

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Posted 03 June 2014 - 06:46 PM

Fuel tank arrived.
bada4a4y.jpg

#720 N/A-PWR

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Posted 03 June 2014 - 06:49 PM

Wow, all the way from the U.S. of A. Craig,

 

Now is this Tank called a Fuel Cell?


#721 eyepeeler

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Posted 03 June 2014 - 08:24 PM

Wow, all the way from the U.S. of A. Craig,
 
Now is this Tank called a Fuel Cell?


Yes Dave, its a fuel cell. It's FIA approved. It does need an alloy or Sheetmetal box for it to sit in though, can't mount it the way it is.

#722 _Viper_

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Posted 03 June 2014 - 08:45 PM

Wow looks like some military grade shit there :D I like it


#723 eyepeeler

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Posted 03 June 2014 - 10:51 PM

Wow looks like some military grade shit there :D I like it

Yeah they look pretty purposeful don't they. ATL have a massive range of fuel cells.
http://www.atlinc.com/racing.html

Check it out, if you are after a good FIA approved item, can't go past these.

#724 _LXSS350_

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Posted 03 June 2014 - 10:51 PM

Aussie Aussie Aussie???

Anyone know if we make anything here in oz anymore??


#725 eyepeeler

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Posted 03 June 2014 - 11:00 PM

Aussie Aussie Aussie???
Anyone know if we make anything here in oz anymore??

Harrop make a good range, Adrad and PWR make good radiators, MSF make good stuff, Race Products made the diff albeit with O/S parts,
There are a few still left.
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