Friday, October 1, 2010

Drift car setup and Tuning

For drifting you must have a rear wheel drive car or a four wheel drive car which has most of the power going to the rear wheels. Assuming you want to go into drifting on a budget you will need a car you can afford to break and repair easily. You will have lots of crashes, and mistakes when you are starting out so something like a Ford Sierra  or an older American car will have a ready supply of cheap parts.
The only essential modifications for drifting are the Diff and suspension. Obviously weight reduction and increasing the power output of the engine would be nice but on a budget and while you are learning these are unimportant.
Patience, steady control and very deliberate slow throttle and steering controls are the difference between hacking a car around and drifting.
Lets look first of all at the Diff (limited slip diff or LSD hereafter) and what it does. Imagine you have a pencil with 2 cotton reels on each end. When going in a straight line both cotton reels rotate at the same speed. But when on a curve the reel on the outside needs to rotate faster than the inner reel otherwise it will just be slipping over the surface and not gripping.

The LSD in a car sends the driven power proportionally to the wheels with more going to the wheel that needs to rotate a greater distance. The drawback of having a Slip Diff fitted is that when one wheel has no grip and spins all of the power goes to this wheel. It is something you'll notice if you have one wheel in snow or mud and the other on a grippy surface leaving you effectively stuck. On a fast road you can get a sharper turning circle and put down more power if you moderate the rate of power going to each wheel. An LSD is exactly that and is usually specified as a ratio. For drifting you need a locking diff which encourages the back to slide over the road helping to prolong the duration of the drift.

An adjustable diff will give the best of both worlds but can prove very expensive and is not something available for most cars so go with something like a 2 way diff with 4.788 final drive ratio. On a track or road the LSD will make a big difference to lap times and cornering speeds especially in low grip conditions like wet roads or when you are really hammering the engine so if you intend to do some track work get a slightly higher ratio diff.
The second area we shall consider is suspension modifications and setup for drifting and you will find detailed articles on Torquecars tuning pages if you want to go into more detail. For drifting you don't really negative camber, just lower it to get rid of body roll stiffen, unless your going into drifting seriously. As a rule, the more camber you roll on, the sharper the turn in will be.When you are starting out the body roll can actually give you a wider margin of error as well as reducing your overall control of the drift. Anti roll bar & sway bar stiffening, strut braces, poly bushes and firmer springs are worth considering but again not an essential. As you get better you will be able to set up the suspension to suit your personal driving style and preferences so if you go for an uprated suspension kit make sure it is adjustable or you will need to go out and buy another set of springs and dampers later on.
The Toyota Corolla AE86 is becomming the classic drift car of choice.They are a really good starter car for drifting the power band is just right, nicely balanced. They cost a fortune to buy now. I would stick fairly standard and go for lightening the car - this has better dividends in drifting. If you wanted to spend a bit of money we spoke with an AE86 drifter and asked about his AE86 setup.
Fantastic for drifting is the Toyota Corolla AE 86 (Hachi Roku - Japanese for eight six.) and speaking to a drifter we picked up the following tips and advice.He recommended a limited slip diff 2 way with a 4.778 final drive ratio.
He also added an APEXi SAFC II fuel controller too. Get more power from the car an engine swap was done and his selection of engine for drift competition use:- An AE92 big port engine (red top) Toda cams 304/288 duration 8.5mm lift.
Mated toToda adjustable cam pulleys, NGK R plugs, OER Quad throttle body kit with pipercross or K&N Filters.

Exhaust - Trust DD exhaust.

Tein coilovers at the front but on the rear use something like the TRD's blue SS 8 way adjustable shock.

Stick on some 9x14in rims with 185/60/14 Yoko A539 (Check the tyre size I'm not too sure of that for those rims but for drifting you certainly want a tight fit to the rim!)

You will also need a ready supply of tyres as you will get through them at an alarming rate. When you go to the track make sure you have a spare set of wheels and tyres so you can get home legally! The final word has to be PRACTICE, PRACTICE and PRACTICE. Patience, steady control and very deliberate slow throttle and steering controls are the difference between hacking a car around and drifting. Join the forum to meet up with our drift fanatic members and swap tips and ideas with them.

Tuesday, September 28, 2010

Getting started to RC Drift Car

Guide to getting started in the fun and exciting craze of rc car drifting. In Japan, car drifting is very popular. And now this popularity has spilled over to rc cars.
If you have ever watched rc cars drifting, you will be instantly hooked. So let's get started in building an rc drift car.

Building an RC Drift Car

For drifting, electric rc cars are better than nitro models. It is easier to control the throttle of an electric car during a drift. Nitro rc cars would probably burn out the clutch and overheat the engines if used for drifting.
RC Drift Cars
The Tamiya TL-01 as an rc drift car. Shaft, 4-wheel drive transmission with drifting tires and high torque motor. 
It is recommended that you use a shaft drive rc car rather than a belt driven transmission for your drifter. The shaft drive provides good throttle response, whereas the belt drive cars might give some backlash due to the belt design. 
Good news is a lot of people use belt drive cars for drifting without problems. But if you are starting from scratch, shaft drive cars may be the best drifters.
Also, use a 4 wheel drive machine if you want to go drifting. 4x4 is easier to control and drift.
For motors, you need high torque. The standard Mabuchi 540 works fine, and a lot of people also use 19 turn motors. Also gear your car for acceleration rather than top speed.

Drift Tires

The only item you need to convert your touring car into a drift car is to change the tires. RC drift cars use tires that are made out of PVC pipes. Other alternatives are ABS pipes (slightly softer than PVC material), or rubber tires wrapped in electrical tape.
Making Drift Tires
To make your own set of PVC tires, you can buy a 10 feet long, 2 inch diameter PVC pipe from most hardware stores. Just make sure you buy PVC pipes that are as round as possible, as some shops sell pipes that have deformed slightly to an oval shape.

Also note that even if you ask for 2 inch diameter PVC pipes, not are all exactly 2 inches in diameter. Some PVC pipes will fit exactly onto your touring car wheels or rims, while some pipes inner diameter are slightly larger.
For pipes that are slightly larger than the wheel diameter, simply wrap duck tape, 3 to 4 times, around the rim. This should provide a snug fit to the PVC pipe.
Here is a good illustration and step by step guide (with photos) on how to make drift tires.
You can also buy specially made drift tires made by Yokomo. These are rubber tires with grooves onto which you mount the Yokomo made drift rings.
Yokomo Drift Tires
Photo credit: Yokomo USA website.
Another cheap way of building drift tires is to use the plastic cap found on spray paint cans. These would usually fit perfectly onto a regular touring car rubber tire. And it's much easier than cutting and making PVC tires.

Making rc drifting tires using old plastic caps of spray paint cans, cut and glued over rubber tires.

RC Drifting Guide

Keep in mind that a lot of dust is generated from the PVC tires scraping against the cement or asphalt surface. Your rc vehicle will be covered with fine dust after drifting. So make sure your transmission is well sealed against small dust particles.
Also, some rc tracks do not like or allow drift cars to run. This is because the drift tires create a lot of dust which is left on the track. Be sure to check your local track if they allow drift cars to run.

How to Drift a RC Drift Car

How To Drift a RC Drift Car

  1. Buy an RC car. Preferably electric ((battery powered)most people start drifting with a tamiya TT-01 cheap because you will crash and reliable ) but nitros can work too just cut extra holes to make sure the engine gets cooled sufficiently. 4WD on-road car is a must.(No buggies, truggies or trucks)
  2. Choose tires. You can get special tires (Yokomo, Hpi, Tamiya, ect., ect.) make your own or wrap your tires in electrical tape.
  3. Make homemade tires. To make your own get PVC or ABS 2 inch inner diameter, ABS gives a better "grip to slip" ratio. Cut them to the size of your rim and fit them on. By freezing your rims and boiling the tires (PVC pipes) and take it out and slip it on and it should provide a tight fit.
  4. Go out in an open space.
  5. Drive forwards and build up speed.
  6. Turn sharply and floor the throttle.
  7. Follow through. The car should now be sliding, steer into the slide and use the throttle progressively to control the slide
  8. Power out of the slide.
  9. Practice, Practice, Practice

RC Drift Car

Drift Car Information Centre - Search Any info about Kereta Control Drift