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cowchaser
The Day Starts With OZATV !
Joined: 14 Feb 2006
Posts: 1618
Location: Warrnambool
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Postie
Roostin Away
Joined: 20 Feb 2006
Posts: 855
Location: Mitchell QLD
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 Posted: Fri Jul 07, 2006 7:18 pm Post subject: |
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It's got to be better than a rigid axle  Do you have any more pics  Has it been trialed on a MX track yet If it works it should be more advantage than more power by getting more power to the ground ,smotther ride /incresed stamina and better handling in theory. |
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PeteW
Moderator
Joined: 09 Feb 2006
Posts: 1877
Location: Doreen, Vic
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| Posted: Fri Jul 07, 2006 8:26 pm Post subject: |
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very interesting, it's hard to see from that pic how the lower subframe stays rigid when there is no support up too the frame from where the swingarm would have pivoted.
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Q67Dazza
4fiddy Racer
Joined: 17 Feb 2006
Posts: 299
Location: Safety Bay Western Australia
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| Posted: Fri Jul 07, 2006 8:38 pm Post subject: |
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for MX i don't think you'd quite get the same travel as conventional swing arm
which may be an issue on the big landings
+ it must be 10 to 15Kg's heavier
be interesting cornering hard around rough stuff
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guy over here raced an outlaw with the same set-up on a pretty rough track at a state round
looked pretty smooth,, and that polaris was gettin pushed big time
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007257 where are you???.... bring back the Bling |
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Postie
Roostin Away
Joined: 20 Feb 2006
Posts: 855
Location: Mitchell QLD
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| Posted: Fri Jul 07, 2006 10:11 pm Post subject: |
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| It looks to me like they are somehow gusseted to the rear of the engine in the centre for vertical rigiditity. This may not be strong enough for big air yet, it's hard to tell from this angle, although those shocks should have plenty of travel at that angle,and the rest of the design looks strong enough to be suitable for MX conditions to me. |
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ATV PRO
Roostin Away
Joined: 13 Feb 2006
Posts: 888
Location: Central Coast, NSW
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| Posted: Fri Jul 07, 2006 10:49 pm Post subject: Re: IRS LT-R |
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Hey Smitty ,
I think IRS is a definate way of the future and that looks a treat.
I am not sure if it is light enough yet and I feel you would need sway bars to give you decent cornerin..like in a race car,off road buggy,rally car...
Cheers Len
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Cheers
Len
ATV PRO Pty Ltd |
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Mad_Dad
50cc nipper
Joined: 09 Jun 2006
Posts: 46
Location: Adelaide
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| Posted: Fri Jul 07, 2006 10:50 pm Post subject: |
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maybe its me, but have the two shocks out beyind the centre of the rear sprokect looks odd, I'm sure theres a better way.
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Yamaha 700R -White/Silver-
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cowchaser
The Day Starts With OZATV !
Joined: 14 Feb 2006
Posts: 1618
Location: Warrnambool
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| Posted: Sat Jul 08, 2006 12:00 am Post subject: |
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I bolts on just the same as the swingarm and uses a solid strut where the rear shock goes. They claim its lighter than the stock Suzuki steel swingarm and axel but i don't see how. And they say it's been working well in mx but I'm not so sure. Those budget Fox rear shocks couldn't work to well with no ajustment. I just thought it was interesting but needs more development
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grub
50cc nipper
Joined: 19 Jun 2006
Posts: 42
Location: canberra
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| Posted: Sat Jul 08, 2006 2:03 am Post subject: |
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i can only see too thing wrong with it
1: it has no SPRINGS!!!
2: its going to need a sway bar or it will role like a tiny on the high see.
the new polaris outlaw is running IRS i found sone pic of the rear end just to compair a properly enginered set up.
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bike 1 justin 0
Last edited by grub on Sat Jul 08, 2006 2:52 pm; edited 1 time in total |
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grub
50cc nipper
Joined: 19 Jun 2006
Posts: 42
Location: canberra
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PeteW
Moderator
Joined: 09 Feb 2006
Posts: 1877
Location: Doreen, Vic
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| Posted: Sat Jul 08, 2006 9:34 am Post subject: |
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Needs good shocks on it for sure. I reckon with a good suspension setup that an IRS quad should handle pretty well on an MX track and certainly very well on an enduro track. with the rear end set up properly you shouln't need a sway bar. (and I reckon that a sway bar will only restrict the travel any way).
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froggy
Roostin Away
Joined: 17 May 2006
Posts: 664
Location: Adelaide
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| Posted: Sat Jul 08, 2006 11:02 am Post subject: |
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| grub wrote: | i can only see too thing wrong with it
1: it has no SPRINGS!!!
2: its going to need a sway bar or it will role like a tiny on the high see.
the new polaris outlaw is running IRS i found sone pic of the rear end just to compair a properly enginered set up.
[imghttp://atv.off-road.com/atv/data/articlestandard/atv/142006/317845/pict0015-800.jpg][/img] |
it doesnt need springs it has air shocks. |
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cowchaser
The Day Starts With OZATV !
Joined: 14 Feb 2006
Posts: 1618
Location: Warrnambool
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| Posted: Sat Jul 08, 2006 12:13 pm Post subject: |
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After comparing the two photos I rekon the aftermarket one is better than the Polaris one when you look at the shock angles and center of gravity. It just need to be better finished off
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Postie
Roostin Away
Joined: 20 Feb 2006
Posts: 855
Location: Mitchell QLD
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| Posted: Sat Jul 08, 2006 12:43 pm Post subject: |
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| Does anyone know if the irs can be adapted to other models or is it solely designed for the LTR. |
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froggy
Roostin Away
Joined: 17 May 2006
Posts: 664
Location: Adelaide
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| Posted: Sat Jul 08, 2006 1:10 pm Post subject: Re: IRS LT-R |
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$3200 seems a bit steep doesnt it? |
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Postie
Roostin Away
Joined: 20 Feb 2006
Posts: 855
Location: Mitchell QLD
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| Posted: Sat Jul 08, 2006 1:39 pm Post subject: |
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Depends if it works ,
Normally to beef up the rear end would cost around that if not more with
$800 wide axle 1600$ steel rear swingarm [although should be unnecaessary on new suzuki] then another coupla grand for mono shock. i guess what i'm trying to say is if this set up does prove to be better and that $3000+ is race ready personally i'd go for IRS. |
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grub
50cc nipper
Joined: 19 Jun 2006
Posts: 42
Location: canberra
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| Posted: Sat Jul 08, 2006 2:50 pm Post subject: |
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| PeteW wrote: | | Needs good shocks on it for sure. I reckon with a good suspension setup that an IRS quad should handle pretty well on an MX track and certainly very well on an enduro track. with the rear end set up properly you shouln't need a sway bar. (and I reckon that a sway bar will only restrict the travel any way). |
i think a sway bar wold make a big diff with those shocks, BUT if you put a set good coil overs on it you woulnt need the sway bar at all.
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PeteW
Moderator
Joined: 09 Feb 2006
Posts: 1877
Location: Doreen, Vic
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| Posted: Sat Jul 08, 2006 3:22 pm Post subject: Re: IRS LT-R |
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| froggyboy88 wrote: |
$3200 seems a bit steep doesnt it? |
not when you consider how much it costs to put a front end on most quads.
LT arms $1600
LT Shocks $2195 and you,re already up to $3795, if this system is complete with a choice of good shocks then it would represent reasonable value for the conversion that is being made.
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Q67Dazza
4fiddy Racer
Joined: 17 Feb 2006
Posts: 299
Location: Safety Bay Western Australia
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froggy
Roostin Away
Joined: 17 May 2006
Posts: 664
Location: Adelaide
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| Posted: Sat Jul 08, 2006 5:57 pm Post subject: Re: IRS LT-R |
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| froggyboy88 wrote: |
$3200 seems a bit steep doesnt it? |
after thinking about it and visiting their site i take that back. Looks good. Would be interesting to try. |
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PeteW
Moderator
Joined: 09 Feb 2006
Posts: 1877
Location: Doreen, Vic
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| Posted: Sat Jul 08, 2006 8:08 pm Post subject: |
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Yeah, obviously their pretty serious about it. making me think I want one for my YFZ........
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Linc
Roostin Away
Joined: 17 Feb 2006
Posts: 999
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PeteW
Moderator
Joined: 09 Feb 2006
Posts: 1877
Location: Doreen, Vic
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| Posted: Mon Jul 10, 2006 6:53 pm Post subject: |
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now thats a serious IRS Linc, I remember seeing somthing like this in DirtWheels last year.
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