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Author Solid (no) suspension on road cars
Steve
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Registered: 30th Mar 02
Location: Worcestershire Drives: Defender
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23rd Mar 12 at 08:10   View Garage View User's Profile U2U Member Reply With Quote
http://www.projectpuma.com/viewtopic.php?f=138&p=201499

Guy in here thinks its a good idea, main argument being go karts dont have suspension, i disagree.

discuss..


[Edited on 23-03-2012 by Steve]
Matt L
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23rd Mar 12 at 08:15   View User's Profile U2U Member Reply With Quote
Hello bad back tbh.
ShEp
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Location: Dingwall, Highland
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23rd Mar 12 at 08:15   View User's Profile U2U Member Reply With Quote
Not a good idea for a road car.

Would need a very low centre of gravity, would need small wheels with big sidewalls to take the shock from any bumps.

I'd imagine all sorts of things would start to break and crack on a road car.

If it was a dedicated track car where the roads are smooth it might be okay.
FAZ
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Registered: 24th Nov 07
Location: Coventry
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23rd Mar 12 at 08:16   View Garage View User's Profile U2U Member Reply With Quote
go karts hardly have to exert the same forces / speeds / weight(s) etc a normal car would

guys a tool
Steve
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Registered: 30th Mar 02
Location: Worcestershire Drives: Defender
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23rd Mar 12 at 08:30   View Garage View User's Profile U2U Member Reply With Quote
Unsure if hes actually trolling, he doesnt have a history of it though, and he has quite a few puma projects on the go, seemed fairly intelligent up until that point..

[Edited on 23-03-2012 by Steve]
Stu
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Registered: 3rd May 00
Location: Madchester UK Drives: 2014 BMW M135i
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23rd Mar 12 at 08:56   View User's Profile U2U Member Reply With Quote
Karts dont weigh very much and are only used on smooth surfaces, I dont even think it would work on a track car!

Rose jointed cars are bad enough on the road never mind one without suspension!
rossnomore
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Registered: 18th Oct 06
Location: Fife
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23rd Mar 12 at 09:22   View User's Profile U2U Member Reply With Quote
Handling would be terrible, youd just skip across the road on any corner with a bump. What a twat
If it was that great then why wouldnt caterham etc do it ? Because his idea is fucktarded, like him, a fucktard
thegsi
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Registered: 3rd Feb 07
Location: Kidderminster Drives: Evo (you can't afford one)
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23rd Mar 12 at 09:33   View User's Profile U2U Member Reply With Quote
Is this a joke?
ed
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Registered: 10th Sep 03
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23rd Mar 12 at 09:39   View User's Profile U2U Member Reply With Quote
Go-Karts do have suspension - the chassis is made from chromoly steel (I think) and is designed to flex. If it was made totally rigid it wouldn't handle very well and the structure would eventually fracture (although they do sometimes crack anyway).
BarnshaW
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Registered: 25th Oct 06
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23rd Mar 12 at 09:44   View User's Profile U2U Member Reply With Quote
i turned up the dampening on my coilovers to full hard just to see and it was literally catapulting me out of my seat over any sort of hump, i cant imagine no suspension at all
R Lee
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Registered: 15th Aug 03
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23rd Mar 12 at 09:51   View User's Profile U2U Member Reply With Quote
Even the most extreme F1 cars have suspension.
What an utter tool.
JordyCarter
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Registered: 14th Mar 10
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23rd Mar 12 at 10:20   View User's Profile U2U Member Reply With Quote
Comparng a go kart to a car is idiotic. Its like comparing a bmx to a kettle. The whole design behind the two are completely different lol
Eck
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Registered: 17th Apr 06
Location: Lundin Links, Fife
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23rd Mar 12 at 10:22   View Garage View User's Profile U2U Member Reply With Quote
P1CK4D
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Location: Around Essex Somewhere
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23rd Mar 12 at 10:26   View User's Profile U2U Member Reply With Quote
Tell him its a great idea and watch him fail. Much more entertaining.
SportBoy
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Location: Retford, Nottinghamshire
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23rd Mar 12 at 12:30   View User's Profile U2U Member Reply With Quote
should join mclaren and show them how its done.
Jambo
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Registered: 8th Sep 01
Location: Maidenhead, Drives: VXR Arctic
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23rd Mar 12 at 12:56   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by Eck
Nic Barnes
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23rd Mar 12 at 13:03   View User's Profile U2U Member Reply With Quote
He must be the Steve of the puma forum
ed
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23rd Mar 12 at 13:04   View User's Profile U2U Member Reply With Quote
Perhaps you should tell paulob1 to take a look at the size of the tyres used in F1 too, and yes, the suspension travel is measured in millimetres on them, the same unit of measure that's used to measure suspension travel on most vehicles.

[Edited on 23-03-2012 by ed]
Adam_B
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Location: Lancashire
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23rd Mar 12 at 13:05   View User's Profile U2U Member Reply With Quote
When I set the coilovers on my car just a couple of clicks too hard you sort of jiggle down even the best roads. Solid suspension would be completely un-driveable!
ed
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23rd Mar 12 at 13:12   View User's Profile U2U Member Reply With Quote
Exactly, you've just got to remember what the individual components of the suspension do. The damper wastes energy and the spring stores it, you need to disperse energy from any bumps in the road/track with the damper otherwise it will send the car skipping all over the place and you need to keep the car at the right ride height with the spring. It would be great if you could have rigid suspension for cornering and then normal suspension for braking, accelerating and normal driving (Williams FW14) e.t.c. but that's not really realistic.
Jambo
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Registered: 8th Sep 01
Location: Maidenhead, Drives: VXR Arctic
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23rd Mar 12 at 13:34   View User's Profile U2U Member Reply With Quote
Does he have driving gloves?
Adam_B
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Registered: 13th Dec 00
Location: Lancashire
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23rd Mar 12 at 13:42   View User's Profile U2U Member Reply With Quote
Gauntlets are the new driving gloves

http://shop.goodwood.com/products/gauntlets-brown-leather
evilrob
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Registered: 16th Mar 12
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23rd Mar 12 at 13:45   View Garage View User's Profile U2U Member Reply With Quote
Dare you to suggest the ultimate conversion for the "on rails" handling he's after, Steve:
Steve
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Registered: 30th Mar 02
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23rd Mar 12 at 13:46   View Garage View User's Profile U2U Member Reply With Quote
haha
evilrob
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23rd Mar 12 at 13:56   View Garage View User's Profile U2U Member Reply With Quote
I can see where he's coming from, though - the cars on my Scalextric don't have any suspension and I can make them go round the corners almost holding the trigger fully in!

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