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Originally Posted by cellulararrest
After reading this I still think that the lower the weight of a vehicle is, the lower it's center of gravity. Because of that I'm in support of dislocation cones. They allow the wheels and the rest of a vehicle's unsprung weight to be closer to the ground therefore lowering it's center of gravity.
...right?
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But if the spring is unretained and the axle hasn't yet reached the point of hanging by the fullky extended shock, then the weight of the axle is not counted as part of the vehicle weight and in effect you are raising the COG.
With retained springs, in a side slope situation as the body rolls you can reach the point where the axle weight starts to add to the body weight and limit body roll much sooner then with dislocated springs.
In the photo of the disco on opposite ramps with the rear spring dislocated, as far as the weight on the tire and breaking your foot, I have seen a video of a similar set up where someone went over and lifted up that free floating wheel with ease.
I don't think that using the shock as the limiting device for travel is very smart. If you are going to go with dislocated springs I would think that a retaining strap would be the better way to go.
Some good arguments on both side of the issue here, too bad some folks need to get all cyber tough. Funny how when someone runs out of ideas they result to name calling and insults.
Trying to compare the set up of a Rover and a rock buggy is a real stretch.
Whether you agree with cones or not, the fact is there are hundreds of vehicles running them and doing well. The only way to really determine which set up is better would be to take a single vehicle with unlocked axles, and set it up so you can go between fully retained or cones. Use a single set of shocks and single set of shocks for both set ups.
Then run it up an RTI until it can move no more...not to see what you get for an RTI value, but to see at which point the truck can not move forward any more. Do this with both set ups and see if either set up can move further.
Then use a strap and a couple winches pull the vehicle up onto two wheels until it reaches the tip over point. Do this on botht he left and right hand side. Fidn the point of no return for each suspension.
Set up a series of 12" tall piles of sand bags so that the vehicle gets cross axled as it drives though. For a Disco, 100" pile on left, 100" pile on right, 100" pile on left. Drive through the course with both vehicles and see if there is any difference. Might need to keep building the piles higher. Suggested sandbags because they are relatively uniform, and can be stacked and support the weight of the vehicle. Other thought would be to use 4x4x12 stacked and nailed together. Or pavers maybe? Anyway you get the idea. Build a uniform course that can be run through with both suspensions.
SCSL, thank you
