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Jrfish007, I'm not disputing that the older civics didnt have double wish bone rear suspensions... what I am trying to get at is that a "Double wishbone" Suspension describes Many Variations of suspensions... From a True Double wishbone, To a multi Link double wish bone which the civics have had, and whats on the Accord.... So you see, The older civics have double wishbone suspensions, that are of a very similar design to the current moddels Multi Link double wishbone type suspension.
SO what was the great use of the double wishbone suspension then?
What true double wishbone then?
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Last edited by Jrfish007; 02-07-2005 at 06:47 PM.
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Well, The front suspension on the older civics is almost a "true double wishbone" but it's still a Multi Link double wishbone.. marketing and people just call it a double wishbone because its easier. and it effectively does the exact same thing. (some times better). the only place you'll find a "true" Double wishbone suspenison would be on Formula cars and specialty cars...
See, This is the rear suspension out of the Accord.. and you can see that although Honda says its a "Double wishbone" its acutally a Multi link Double wishbone.
This is the suspension out of an Elise... As you can see its made up of Two A Shaped Control arms... Hence its a "True" double wish bone suspension
Compair that to the "Double wishbone" suspension found on the front of the civic (Pre 01) and you'll notice that there is acutally only one A shaped Control arm (The upper one) the lower one is acutally a multi link.
Any way... all I'm saying is that all of the civics since the late 80's have all shared similar rear suspensions and the 7th gen is no exception.
Autocross: Because Life is more fun on three wheels......
"I know Solo only comes one minute at a time, but what an intense, non-stop, fast-forward car control exercise minute it is. Sure, the velocity is higher in road racing, but inside the car it is slow-motion in comparison. In Solo, the turns come like machine-gun rounds. "
Randy Pobst
So aren't civic's (pre 2001) more like a single wishbone? Looks to me they are actually a wishbone suspension with a multilink system. Does this do the same thing as a double wishbone where it adjust it's self to keep the entire tire on the ground during cornering? Do the 7th gen do this?
So aren't civic's (pre 2001) more like a single wishbone? Looks to me they are actually a wishbone suspension with a multilink system. Does this do the same thing as a double wishbone where it adjust it's self to keep the entire tire on the ground during cornering? Do the 7th gen do this?
No, pre-2001 Civics are modeled after a double wishbone suspension in the front. Theyre actually not true wishbones or a-arms but similiar enough in design that most people call it a double wishbone since it works roughly the same. Basically any suspension that uses two a-arms or wishbones are labled double wishbone for simplicity purposes.
We use Mcpherson struts in front, which has its advantages and disadvantages. Google Mcpherson struts and you can read about them all day. Keep in mind that alot of true sport car makers use Mcpherson struts.
McPherson struts.... they're spring dampers, off the top of my head:
F=ma
Spring travel distance
Fs=-k(L+u)
damping
Fd=-yu'
Blahhhh... that's mechanical Engineering, anyway I'm sure I know more about springs and damping than most people on here, or at least I have a book that tells me all about it about 2 feet from me. I am very aware that car such as the EVO 8 and Porsche use McPherson struts.
My question is, double wishbone (from what I understand in my little world) actually adjusts the alignment as you corner and change the load on the car to keep the a full contact patch of your tire on the pavement, how does this system on the older civic's work for the rear end? Is it better than true double wishbone? Why? And how does the current civic compinsate for not having this in the front?
The main advantage double wishbone (or its dirivitives) have over a strut type suepsnion is simply with Camber Gain... (The bane of Street tuners, the Joy of actual race drivers...)
See, as a double wishbone suspension compresses, it increases negitive camber. This is a great thing for racing, because it means when ever the car turns, the side of the suspension that compresses gets extra negitive camber giving you better traction. This in turn allows you to run Less Static negitive camber overall. were as a Strut type suspension gains Very little if any negitive camber as it compresses, which forces you to run More static negitive camber to compinsate, wich can bite in to your acceleration and Braking Traction. (The tires end up angled while driving in straight lines, giving you a smaller contact patch for braking and acceleration).
Autocross: Because Life is more fun on three wheels......
"I know Solo only comes one minute at a time, but what an intense, non-stop, fast-forward car control exercise minute it is. Sure, the velocity is higher in road racing, but inside the car it is slow-motion in comparison. In Solo, the turns come like machine-gun rounds. "
Randy Pobst
I'm really doubtful they have info in the certified section on those. 
