heat sink questions

[AE86 Toyota]

I kno wat a heat sink duz but iono how it works. And also is it possible that the heat that the heatsink collects go back into the motor like if the heat sink is hot it will like kook the motor or duz it matter cuz its just the exterior. And once again I kno wat a heat sink duz so don't insult me(it collects the heat frum the motor then releases it)

[Namuna]

Before I answer your question, I'm going to suggest you actually take the time to PROPERLY type out your post in PROPER english.

I had to reread some of your sentences several times and it's flatout ANNOYING to do it...Which makes me think you don't want to bother taking the time to write legibly, which then makes me wonder if I should bother replying.

...Anyway,

Could the heatsink pass back the heat it has collected? If you think about it, the heatsink will only get as hot as the Motor...So there's nothing to pass back because at worst the Motor and Heatsink will be at the same temperature.

And the motor will take longer than the heatsink to cool down, so there really isn't going to be any point when the heatsink is hotter than the motor either.

If I'm off here, someone who knows heatsinks better than me please correct me.

[Rez]

Heat always moves from the hotter object to the cooler object. As you heat up the motor, it heats up the heat sink. If you stop driving and the motor cools faster than the heatsink, the heatsink will start heating the motor. This is unlikely, but even if it does happen, the temprature will be lower than the motor was when it originally heated the heatsink, so there's no reason to care.

[AE86 Toyota]

Thx guys. That helped out alot. O, and sry bout the bad english. I was in a hurry cuz i had to go to my gramp's birthday.