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Where to place weight on a speeding toy car?

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Sophie Amelia
Thu Nov 17 2011, 02:04AM Print
Sophie Amelia Registered Member #4201 Joined: Wed Nov 09 2011, 07:42AM
Location:
Posts: 20
Hey, if i am building a car, and i need it to speed and my engine is at the back of the car. Is it better to place a weight at the front or the back of the car so that it can speed??

Thanks :)
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klugesmith
Thu Nov 17 2011, 03:26AM
klugesmith Registered Member #2099 Joined: Wed Apr 29 2009, 12:22AM
Location: Los Altos, California
Posts: 1716
Depends on one's interpretation of the verb "to speed".

Do you mean "to be traveling faster than the speed limit" ?
What other definition applies, in the context of a toy car?
I intend no disrespect, if English isn't your first language.

What physical limit on your toy's "speed" do you wish to ease by adding weight?
For example, lifting of front wheels during rapid acceleration, or spinning out on curves?
Our guesses can be better if you tell us more about the size, weight, and power of your car.
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Sophie Amelia
Thu Nov 17 2011, 10:21AM
Sophie Amelia Registered Member #4201 Joined: Wed Nov 09 2011, 07:42AM
Location:
Posts: 20
Klugesmith wrote ...

Depends on one's interpretation of the verb "to speed".

Do you mean "to be traveling faster than the speed limit" ?
What other definition applies, in the context of a toy car?
I intend no disrespect, if English isn't your first language.

What physical limit on your toy's "speed" do you wish to ease by adding weight?
For example, lifting of front wheels during rapid acceleration, or spinning out on curves?
Our guesses can be better if you tell us more about the size, weight, and power of your car.


Hmm... sorry. i shall be more specific :S

I am building a toy car and i need it to go as fast as possible. I do not know how fast it can go yet because I am yet to build its chasis. And toy car does not have speed limit because it does not drive on the road and there is no traffic police to halt it. hahahahahaha. ok. sorry :S

Hence, before i can build the chasis, i need to know the best position to place a load. Should it be at the front of the car, in the middle of the car or at the back of the car? My toy car's racing track will be a smooth straight line and a nice 10 degree slope.
I do not think there is any importance to specify the dimensions of the car. haha :p

(hahaha i lost count the number of times i checked my reply for grammatical errors :S)
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Ash Small
Thu Nov 17 2011, 11:16AM
Ash Small Registered Member #3414 Joined: Sun Nov 14 2010, 05:05PM
Location: UK
Posts: 4245
It is generally best the have the 'centre of gravity' central, between the front and rear axles.

The C of G shifts rearwards during acceleration, and forwards under braking.

Hope this helps.

EDIT: Ideally, you want rear wheel drive. If front wheel drive is used, you may want more weight at the front. (see above).
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