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#26 Re: IPRA Nationals This Sunday, Live streamed
D Posted on: 2016/12/7 14:12
Yes a new lease of life for otherwise worn & damaged on the edge 12a rotor + housings
pity only a rare R100 would be light enough for those 10a engines to hurt those hondas.

Great that budget pushies and boost are so successful in your setup did the spoilers
end up making the restrictor plate even more Asphyxiating in the last few years?

Also wondering, but with your peaky boost setup would a heavier fly store up more energy
and produce better torque curve than the superlight weight 5.5 inch rice cracker it has?
or is that only possible with very heavy flywheels that would negate racing requirements?


#25 Re: IPRA Nationals This Sunday, Live streamed
ANGE Posted on: 2016/12/7 11:46
Hey Simon,

interested to know if the green tyres or the scrubbed were quicker? looks like you were running a combination of the 2 by the final?
shame about the start, would have been good to see the datto closer to the front!


#24 Re: IPRA Nationals This Sunday, Live streamed
sikyne Posted on: 2016/12/5 20:40
The two rotaries running are narrowed down 12a's. The RX3 has a PP and the RX7 runs a BP. They are quite competitive.
The Current A12 is making enough power and is much cheeper to build and maintain than the twin cam will be. So I'll be sticking w push rods for now. I'll be working on suspension setup for the next little while, that is where a lot of lap time will be found.
I don't think there was any other pushrods engines in the under 2lts field.


#23 Re: IPRA Nationals This Sunday, Live streamed
D Posted on: 2016/12/5 13:51
Eons ahead of any clap on tv, awesome racing, great commentators and good effort from the 8 valver A series, prob the only pushrod engine there? or did any eskys run kents?
Pity the driver doesnt know your 1200 yet Simon or he would have been right up there.
Are the rotaries narrowed down 13bs to quality in the under 2ltr class I remember a chick in Nsw or qld running an 808 with chopped down 13b to 10b capacity and was reasonably successful. I love the machinery side and a shame there isnt some kind of interview going over the older cars as they just great to see. Simon will you run the CBR headed version one day?


#22 Re: IPRA Nationals This Sunday, Live streamed
Rallytwit Posted on: 2016/12/5 6:54
Simon if you make the clamp for the slider in two halves you could leave the standard end on it.

Tom


#21 Re: IPRA Nationals This Sunday, Live streamed
sikyne Posted on: 2016/12/5 6:09
That's the go! Im not allowed to modify the control arms but if I can make something that bolts to the ball joint mounts to make it adjustable will be fine. I have a similar style heavy bar. I may cut off the std style eye and have a lockable sliding tube that fits the ends.


#20 Re: IPRA Nationals This Sunday, Live streamed
Rallytwit Posted on: 2016/12/5 5:52
Simon because the Addco bars only have the one hole like the stock bar my fabricator made the mounting point on the control arm adjustable. There are two flat plates welded on top of the control with 5 holes; the middle hole lines up with the stock mounting point, the ones either side are in board or out board of that, moving the mount changes the leverage the control arm exerts on the sway bar. When I had him lengthen the control arms and when it was done added the the brackets for adjustability.

Tom


#19 Re: IPRA Nationals This Sunday, Live streamed
sikyne Posted on: 2016/12/5 5:07
The rear spoiler is maxed out for the rules. If anything, the front could be too effective. The only obvious aero thing to do would be raise the rear of the car to give it more rake, to try to reduce rear lift. Maybe try a shorter front splitter too.
Wards, I had a blade from Harrop eng to make the front bar in adjustable from in the car, but never got around to building the rest of it. Might have to go back on the to do list as well.


#18 Re: IPRA Nationals This Sunday, Live streamed
wards Posted on: 2016/12/4 20:26
Yes Tom , we noticed that the "locals " had very different rear spoilers than the visitors , little winglets at the front and max height at the back with directional veins or as I called them " Sprintcar sideboards" , and a decent wickerbill or gurney on the rear edge , must have been something in it


#17 Re: IPRA Nationals This Sunday, Live streamed
Rallytwit Posted on: 2016/12/4 19:39
One more thought; is,it possible or allowable to put a bit more rear downforce since it would seem that Phillip Island is the one place where the oversteer really becomes an issue?

Tom



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