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30mm raptor spacers

  • Lambert
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14 Dec 2017 05:09 - 14 Dec 2017 05:16 #187430 by Lambert
Replied by Lambert on topic 30mm raptor spacers
All of which is right enough but none of which translates to the Jimny. The reason being the relationship between the transverse centre line of the axle and the roll centre of the car. In a normal road car the roll centre is as near as possible to the imagined centre of the axle both vertically and transversely so consequently any increase in track width has a much more pronounced effect on the stability of the car. With a Jimny the centre of roll is significantly higher than the transverse centre of the axle in order to make best clearance off road, and the suspension is also geared towards large articulation, between these two factors the stabilising effect of widening the track is significantly diminished. Adding a hundred millimetres per side, fitting much stiffer and shorter springs and larger wheels with low profile tyres would improve matters but that is hardly practical.

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Last edit: 14 Dec 2017 05:16 by Lambert.

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14 Dec 2017 08:57 #187434 by little boghopper
Replied by little boghopper on topic 30mm raptor spacers
caelite, iwas working on the tower at knockhill, westerglenn and stirling last week , bloody cold! my spacer post has really brought up some interesting physics factors on car setups, great reading, much learnt.

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  • GRAYWOLF
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14 Dec 2017 09:07 #187435 by GRAYWOLF
Replied by GRAYWOLF on topic 30mm raptor spacers
I think the jimny standard is so skittish without a steering damper...my last 4x4 was a cj5..and was obviously heavier..but jimster is half the wieight..
I fitted sightly bigger tyres and spacers for the look..if im honest , also fitting a snorkel, i doubt whether that will ever be used as intended, it will come in useful around my area, but i would say most people modify for looks and personal style,very seldom for actual necessity,( as a standard jimny will do far more than most realise). i always have, and always will, on my motorcycles and cars..cos i can..I dont particularly care if others dont like it..or think its done wrong..its mine, and i do as i wish.

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  • Lambert
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14 Dec 2017 14:53 #187440 by Lambert
Replied by Lambert on topic 30mm raptor spacers
Absolutely it is your car and up to no one else what you do to it. I am merely interested in why people think that a Jimny is unstable when that is about the last thing I would call mine. Just the more I here that they are the more I think that mine is somehow flawed as it doesn't seem to conform to the norm. I am also a firm believer in making good decisions. Just because everyone else does something doesn't have to mean it is a sensible thing to do.

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14 Dec 2017 15:46 #187441 by GRAYWOLF
Replied by GRAYWOLF on topic 30mm raptor spacers
Totally agree with you..if someone jumped off a cliff? well, ya wouldnt would you..I know what you mean about people saying they're unstable, about as unstable as the wifes audi a1..NOT..AT ALL.
Usually the media that create this crap, remember a few years back when the sj's got flack for falling over..if you drive these vehicles like a dick..well, things happen, like any vehicle.
Dunno if you know about bikes, but the Honda tl1000..was branded unstable, and dangerous..usually by novices who had never had that sort of power on tap..same as fireblades when they first came out..The only loose nut on most bikes to coin a phrase..is the one holding the bars..bit like cars again.!
I run a Suzuki 1255 sagt(sports tourer..full fairing etc..sidecases and topbox)..They actually restrict the torque in first 4 gears to keep the front down, as it was always the hooligans weapon of choice.and also extended the swingarm..But, if you hit the gas hard, it will still lift the front as i said, loose nut etc..An awful lot of crap gets bandied around and its usually down to novices, and , or media hype..
Take care out there..

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14 Dec 2017 16:31 - 14 Dec 2017 16:34 #187442 by TomDK
Replied by TomDK on topic 30mm raptor spacers
Honda tl1000?

The tl1000 was made by Suzuki :)

The tl1000 did have a suspension flaw which made it unstable.
Last edit: 14 Dec 2017 16:34 by TomDK.

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  • Lambert
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14 Dec 2017 17:43 #187444 by Lambert
Replied by Lambert on topic 30mm raptor spacers
Only bikes I know anything about are the k2 and 3 era gsxr and bandit and all i know is that they are terrible places to be on the back of when the driver is late for their dinner. I will keep 4 wheels under me thanks very much!

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14 Dec 2017 22:14 #187459 by Busta
Replied by Busta on topic 30mm raptor spacers
The bike I had tested was this CG125 I've built for greenlaning. It's small enough to get 2 feet firmly planted on the ground and slow enough to keep both wheels on the ground too!
Certainly nothing to be afraid of but great fun in the mud.
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  • Caelite
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15 Dec 2017 03:39 #187466 by Caelite
Replied by Caelite on topic 30mm raptor spacers
That CG looks great fun, I've always wanted to strip one down and go for a cafe racer look & see just how lightweight I could get it. Never found the time though, got my eye on one of the newer Honda Groms, have had various bikes in the past, all below 47bhp as I did my test when I was 21 (a year after bloody 3dld).

Also 11/60, I get that the effect of spacers will be greatly diminished on an off road bias vehicle, but surely some effect on grip will be present, as well as the slope stability advantage.

With that being said, I am wondering if anyone has tried the -15 offset 15x7 wheels that Jimny bits has recently come out with, they might strike the happy medium between wheel bearing life & appearance/handling effects.

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  • Lambert
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15 Dec 2017 07:35 #187469 by Lambert
Replied by Lambert on topic 30mm raptor spacers
I'm sure there is some benefit however small it is but if the rest of the suspension is sufficiently tired to make the car feel like it would benefit from more stability then I would argue that spending the value of a quality set of spacers on other aspects of the suspension, like dampers or bushings or even tyres, will have a much greater improvement on the stability of the car. If having refreshed the suspension and fitted appropriate tyres the car somehow still feels wayward then yes spacers may have a place. But that is part of a considered approach to vehicle dynamics and not as a spurious validation of an aesthetic desire. If you want them because they look good, go for it, equally if you have changed everything else and it is still not right, again, crack on.

Temeraire (2018 quasar grey automatic)
One of the last 200ish of the gen3s, probably.
ADOS Attention Deficit Ooooh Shiny!

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  • GRAYWOLF
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18 Dec 2017 09:30 #187593 by GRAYWOLF
Replied by GRAYWOLF on topic 30mm raptor spacers
My error..Suzuki TLthou....
It didnt actually have an inherent suspension flaw..but so many people complained about it, they revamped rear rise up side mounted shocker.
If you read any of the reports wheen it came out ..youd see what i mean, i have a mate at work who has had one from new, and a second which he uses for work, says he cant see what the fuss was about.
Basically a lot of riders are pussies nowadays..
Many years ago i used to run a 'Kettle'..Suzuki gt750 triple, anything over 95..it used to wag its head like the wife.!!lol.

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  • 1066Boy
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18 Dec 2017 17:16 #187603 by 1066Boy
Replied by 1066Boy on topic 30mm raptor spacers
Wow that brought back memories. The GT750 Kettle was one of the 1st bikes I ever worked on as an apprentice. :)

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