Spindle is one term used to describe the wheel bearing housing that the tie-rod, strut and control arm bolts onto in the front of most Volkswagen and Audi front MacPherson strut setups. Other terms used in place of "spindles" include hub carrier and steering knuckle.
For a MacPherson strut setup, good suspension geometry is achieved when the lower control arm (LCA) is parallel to the ground when the car is moving:
There's plenty of discussion over on the VWVortex boards, especially over in the Technical --> Suspension section. Here are two that attempt to discuss it in-depth - http://forums.vwvortex.com/showthread.php?621342 and http://forums.vwvortex.com/showthread.php?1363022.
I'm no physics wizz but the from all the threads I've read about and from conversations, the gist of it is that lowering a car on MacPherson struts will alter the suspension geometry in a way that effects handling detrimentally. What happens is, a result of lowering an A3, the LCAs, which are attached to the subframe, begin to point upwards, and this alters the aforementioned geometry of the control arms relative to the ground (see above pic too).
Filip of http://audittmk1.blogspot.com/ has made a great blog post explaining this using the concept of camber curve graphs.
So, with that background reading done, what can we do to maintain good suspension geometry when we lower our cars? Put simply, any hardware upgrade to level out the LCAs will help in this situation. One of the upgrades I know of that deals with this is to use drop spindles. These are different to standard spindles because of the lower mounting point of the ball joint (that connects the LCA to the spindle. What this does is lower the angle of the control arm - if one was to compare two lowered A3s with the same ride height, but one has a drop spindle and the other doesn't, then the car with the drop spindle will have a LCA sitting closer to parallel to the ground than the one that has standard spindles.
These are the current "off-the-shelf" solution for drop spindles currently:
- Audi TT spindles
- H2Sport drop spindles
Hi, great blog, great explaination.
ReplyDeleteI'm like you, I love to learn and share.
i'm french and i'm on vwwateraustralia, nonovw.
there is the language barrier but I understand it is better to use audi TT spindles for lowering a 8L?
thanks a lot, regards of the suburb of Paris....
Otr214428 INTERNATIONAL CONCEPT OF WORK FROM HOME Work from home theory is fast gaining popularity because of the freedom and flexibility that comes with it. Since one is not bound by fixed working hours, they can schedule their work at the time when they feel most productive and convenient to them. Women & Men benefit a lot from this concept of work since they can balance their home and work perfectly. People mostly find that in this situation, their productivity is higher and stress levels lower. Those who like isolation and a tranquil work environment also tend to prefer this way of working. Today, with the kind of communication networks available, millions of people worldwide are considering this option. Women & Men who want to be independent but cannot afford to leave their responsibilities at home aside will benefit a lot from this concept of work. It makes it easier to maintain a healthy balance between home and work. The family doesn't get neglected and you can get your work done too. You can thus effectively juggle home responsibilities with your career. Working from home is definitely a viable option but it also needs a lot of hard work and discipline. You have to make a time schedule for yourself and stick to it. There will be a time frame of course for any job you take up and you have to fulfill that project within that time frame. There are many things that can be done working from home. A few of them is listed below that will give you a general idea about the benefits of this concept. Baby-sitting This is the most common and highly preferred job that Women & Men like doing. Since in today's competitive world both the parents have to work they need a secure place to leave behind their children who will take care of them and parents can also relax without being worried all the time. In this job you don't require any degree or qualifications. You only have to know how to take care of children. Parents are happy to pay handsome salary and you can also earn a lot without putting too much of an effort. Nursery For those who have a garden or an open space at your disposal and are also interested in gardening can go for this method of earning money. If given proper time and efforts nursery business can flourish very well and you will earn handsomely. But just as all jobs establishing it will be a bit difficult but the end results are outstanding. Freelance Freelance can be in different wings. Either you can be a freelance reporter or a freelance photographer. You can also do designing or be in the advertising field doing project on your own. Being independent and working independently will depend on your field of work and the availability of its worth in the market. If you like doing jewellery designing you can do that at home totally independently. You can also work on freelancing as a marketing executive working from home. Wanna know more, email us on workfromhome.otr214428@gmail.com and we will send you information on how you can actually work as a marketing freelancer. Internet related work This is a very vast field and here sky is the limit. All you need is a computer and Internet facility. Whatever field you are into work at home is perfect match in the software field. You can match your time according to your convenience and complete whatever projects you get. To learn more about how to work from home, contact us today on workfromhome.otr214428@gmail.com and our team will get you started on some excellent work from home projects. Diet food Since now a days Women & Men are more conscious of the food that they eat hence they prefer to have homemade low cal food and if you can start supplying low cal food to various offices then it will be a very good source of income and not too much of efforts. You can hire a few ladies who will help you out and this can be a good business. Thus think over this concept and go ahead.
ReplyDelete