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Newsletter / Ezine

- RC Cars Ezine 9

RC Cars Ezine 9

RCCARTIPS.com Newsletter / Ezine

Reading Time ~ 3 minutes

Vol 1, Issue 9      Subscribers: 500      July 30, 2003


* Electric Touring RC Cars
* Shaft Drive vs. Belt Drive Transmissions
* Mechanical vs. Electronic Speed Controls
* Associated TC3 vs. HPI Sprint
* "Secrets of Nitro RC Cars" Free eBook
* Forward This Email to 2 Friends



These are 1/10th scale, usually 4wd cars that have car bodies
that resemble actual cars we see everyday.

This is a popular category because of the realistic looks, and the
independent suspension system that allows these rc touring cars
to be raced on smooth asphalt tracks or on rough concrete
parking lots.

Ready to run kits with the stock 540 motor can reach speeds up
to 15 mph, while those that use a 20 turn motor will usually reach
22 mph. Buying highly modified motors (16 turn and below) push
these cars past 30 mph.

Note: The lower the turns, the faster the motor (e.g. a 10 turn 
motor is faster than a 20 turn motor).

Popular brands are the Associated TC3 and HPI Sprint.

Associated TC3 RTR

HPI Sprint RTR



RC touring cars have two basic design philosophies: shaft drive,
and belt drive transmissions.

Shaft drive transmissions uses aluminum or graphite composite 
shafts to connect the front and rear gearbox to provide 4 wheel

Belt drive transmissions use composite belts (e.g. aramid) to
connect the front and rear gearbox to provide 4 wheel drive.

Which one is better?

It depends on what you are looking for. If you want a car that is
easy to clean and requires little maintenance, then choose a shaft
drive car like the Associated TC3.

On the other hand, if you want a car that is lighter, try belt drive
cars like the HPI Sprint.

Personally I have owned several shaft drive and belt drive cars.
Here is my personal insight and opinion.

* Shaft drive transmissions are smoother but heavier.
* Belt drive transmissions are lighter.
* Belt drive cars seem to be faster and more stable when cornering.
* Shaft drive cars seem to have higher top speeds.
* I prefer shaft drive transmissions because of the low 
maintenance factor.
* Belt drive transmissions are more susceptible to damage from
small pebbles.

Bottom line, I prefer shaft drive cars for playing around, and
prefer belt drive cars when racing. Note that this is based on my
personal preference and driving style.



A speed control is a device that varies the amount of electricity
traveling from the battery to the electric motor.

There are two ways of doing this: mechanically, and electronically.

Mechanical speed controls - The popular type is the 3-step 
mechanical speed control. This means that you can control the
speed of your car in 3 different speed increments (e.g. low,
medium, and full speed). 

Mechanical speed controls also need a servo to work.

Electronic speed controls - Also called an ESC, these do not
require a servo. The ESC plugs directly into your receiver. 

ESC allows you full control over your car's speed, from 0 - 100%
in very small increments. This gives you better control over your

Note that most racing ESCs do not have a reverse capability,
just forward and reverse. Entry-level ESCs that come with ready
to run models usually have reverse.

Racing ESCs do not have reverse for performance reasons and
to lower the cost and weight of the unit.

Which one is better?

ESC will help you drive your car better, and requires less maintenance
than a mechanical speed control. Entry-level ESCs are usually
around $30 more than a mechanical speed control, but I think
this is well worth the price.

On the other hand, if you love running your car or truck in water
or mud, stick to a mechanical speed control as water will damage
your ESC.

Popular ESCs are made by LRP and Novak. Tekin used to make
good ESC, but I hear they are no longer in business.



When it come to RTR touring cars, the Associated TC3 is hard
to beat. However, the price may be a little too much if you are on
a tight budget.

I therefore looked on the web for a comparable car, something
that would equal the performance of a TC3, but at a much
cheaper price.

And one car I found is the HPI Sprint RTR. For a side-by-side
comparison, visit the link below:





To the hundreds who have already downloaded the rc book,
feel free to give me feedback and forward it to your friends.


RC is most fun when we have friends to play and race with.

To convince them to buy rc cars, why not forward this email
to 2 of your friends. I will do my best to convince your friends
by continually putting up informative articles on the web site and
the ezine.

Thank you for reading. Peace!

Joel M.

P.S. Thanks for forwarding this email :)

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