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Old 05-05-2011, 07:19 AM   #21
Todd Dolfi
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Default Re: home built lift on cart - help!!

Here's what I did on the wifes cart .. Need stiffer shocks fro passengers thou..
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Old 05-05-2011, 08:32 AM   #22
donetheconversion
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Default Re: home built lift on cart - help!!

stuff4mason since you are going back to the stock shocks do you think you want to sell the 400ex shocks?
Im lookin for some!!
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Old 05-05-2011, 08:45 AM   #23
sho305
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Default Re: home built lift on cart - help!!

Quote:
Originally Posted by Todd Dolfi View Post
Here's what I did on the wifes cart .. Need stiffer shocks fro passengers thou..
Wow, how high is that lift!
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Old 05-05-2011, 01:48 PM   #24
shmo
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Default Re: home built lift on cart - help!!

Quote:
Originally Posted by Mike Mac View Post
The panhard bar (sway bar) is ok. It is suppose to be at a slight angle downward. It might be just a bit much, but I wouldn't change it if your getting a new lift. Mine is not really correct, but its a golf cart, so...
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Originally Posted by crash12888 View Post
Yea, that is the panhard bar not a sway bar.
Because this model cart has one pivot point up front instead of two it requires the panhard bar to keep the swing arm centered in the frame.
The closer to horizontal the more the swing arm will cycle straight up and down but it is fine how it is.
It looks as if someone has put a drop down plate on it already.

I have to disagree. I think that panhard Bar angle is a good portion of your problem. With the the weight of the cart and riders, the Panhard bar should be very close to level, give or take a slight amount. Yours is excessive. A general rule of thumb for panhard bar location is to use 10% of the length of the Panhard bar to come up with the maximum amount of height difference in your mounts. In other words, if you have a 24" long Panhard bar (like your Yamaha), the mounts should be no more than 2.4" different in height. Keep in mind, 2.4" different being the MAXIMUM, less is usually better.

Do this:
Measure from the floor up to each bolt location on the panhard bar, and let us know the measurement. I would be curios to see how much it is.

Personally for a golf cart, I would stick to very near level. That will have little effect on loading (or unloading) the rear axle while cornering or encountering bumps, which is one of the main reasons Panhard bars are used. Panhard bars effect roll center and the load placed upon the rear axle during articulation. As simple as the look and function, they are actually more involved than most people realize


It is really a moot point. Your new Jake's kit will have everything you need to make it right
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Old 05-05-2011, 04:23 PM   #25
crash12888
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Default Re: home built lift on cart - help!!

Quote:
Originally Posted by shmo View Post
It is really a moot point. Your new Jake's kit will have everything you need to make it right
"The closer to horizontal the more the swing arm will cycle straight up and down but it is fine how it is."

The new kit coming was the reason I didn't go into detail and said it was fine how it is.
We're all thinking on the same page
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Old 05-05-2011, 11:12 PM   #26
Mike Mac
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Default Re: home built lift on cart - help!!

Both you guys know more about suspensions than I do. But somewhere I read that you tune the panhard bar to track conditions using small adjustments up or down. On a golf cart, I would think you would want it to be flat/horizontal in the center of the suspension travel/stroke. I think on a golf cart, its only function is to keep the rear axle somewhere under the car!
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Old 05-06-2011, 12:13 AM   #27
shmo
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Default Re: home built lift on cart - help!!

That's pretty much it on a golf cart.

However, a Panhard bar can be tuned by length, height and angle. It is used for adjusting a vehicles roll center and how the rear axle is loaded during cornering.

With the Panhard bar in a nuetral position (completely parallel to the axle) the rear of the car experiences no downward or upward force when cornering. It is basically there to locate the axle.

With the bar angled down (which is the case with most carts, ever so slightly), the rear of the car experiences down force while cornering. The down force plants the rear harder and causes additional traction to be placed on the tires.

With the bar angled up, you lessen the traction on the rear of the car during cornering.

Changing the height of the bar, changes the roll center and how tippy or planted the rear of the car feels.

That is basically what they are there for

SHMO
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Old 05-06-2011, 07:16 AM   #28
stuff4mason
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Default Re: home built lift on cart - help!!

Yea, that all makes sense. With my steep angle, its putting tourqe on the rear end, thus each time I hit a bump, its trying to throw the cart to the opposite side from where the bump came from.

I can't measure it currently, as the carts loaded in the truck, getting ready to head for the lake and is straped down tight. I'll throw a tape on it when I get back. Maybe my lift will be at the door by then!

(I should'a painted the cart RED.....)
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Old 05-06-2011, 07:21 AM   #29
Mike Mac
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Default Re: home built lift on cart - help!!

So, what would the effect be if I were to switch places with the Jakes triangular piece and the bar. Meaning, if I put the triangle on the swing arm (inverted) and the bar up high just under the bumper?

I have seen this on carts before.
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Old 05-06-2011, 07:30 AM   #30
Mike Mac
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Default Re: home built lift on cart - help!!

Good lookin rig, Jim! But I still like the blue!!
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