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Old 06-30-2004, 12:07 PM   #16
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I have only done in on a TC3. It's easy on that car. I just made a heavy lexan 90*bracket and double side taped so it blows right at the end bell and over the motor.
Sorry, I'm not family enough with the HPI cars to help you there.
With a 10th scale pan car car I should be able to mount it horizonal above the motor so it blows down on the motor. Use your imagination, it'll work some how and there tons of room under a sedan body. You will need a 3 channel reciever to plug the fan in to.

take care
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Old 06-30-2004, 12:23 PM   #17
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my reciever is a 2 channel. Though my friends at the track have a way that not only looks cool, but functions aswell. They cut the grill out of the body and put screening on it to look like a real car. it also lets in air to cool the motor. probably not aswell as the fan. i have two aluminum brackets that support the motor that go to the back of the car. i might use two peices of lexan to support a small fan. but couldn't you just wire the fan to a small 9 volt battery, so that you dont have to use the 3 channel reciever? also, where can i buy a small fan to fit in the car?
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Old 07-06-2004, 09:49 PM   #18
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Sorry for a really late response, but I just found the place I got my fans from:
www.allelectronics.com

I think the fan I got is CAT #CF-189, but not 100% sure.
Anyways they are 5vdc 40mm cooling fan. 1.56" square, .09 amp and 5500 rpm.
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Old 07-06-2004, 10:15 PM   #19
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Sorry this fan business is new to me but how do you plug it into your reciever? I have a XXL receiver and I run 540 motors which get extremely hot I think this would do wonders. Do you need to do anything to your remote?

Cheers,

Mossie
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Old 07-06-2004, 10:16 PM   #20
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nope, just a fan
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Old 07-07-2004, 06:38 AM   #21
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Quote:
Originally posted by Mossie
Sorry this fan business is new to me but how do you plug it into your reciever? I have a XXL receiver and I run 540 motors which get extremely hot I think this would do wonders. Do you need to do anything to your remote?
Cheers,
Mossie
Not a problem, no need to appoligize. It's really easy, just get yourself an extra reciever plug. The fans I talked about above come with just bare wires. Some RC manaufactures sell fans, maybe they come with a plug installed.
Install the plug onto the fan and plug it in to the 3rd channel on your reciever. I don't remember 100% but I think I put the two wires for the fan on the side where your black and red wires for servo and speed control plug.
No, nothing else needs to be changed. I never had any problems with run time with the fan and did not notice any reduction in performance.
take care
john
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Old 07-07-2004, 07:30 AM   #22
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If you want to have a cheap and simple way to add a fan, just solder direct to the connector to be connected to the battery terminals or to the ESC terminals.

I have tested this way and it works fine.
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Old 07-07-2004, 10:59 AM   #23
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So is 294 on a black can mabuchi too hot?
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Old 07-07-2004, 11:09 AM   #24
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Not if you have marshmellows to roast
Sorry, couldn't refuse
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Old 07-07-2004, 03:46 PM   #25
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You think thats hot? A newer guy at my track geared the motors so that they were more than 300*, he had to buy more motors a lot because the old armatures would blacken.

If you connected it up to the reciever, wouldnt you be able to turn it on and off? If you could, it would come in handy if you didnt want it running the whole race.
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Old 07-07-2004, 03:53 PM   #26
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It would turn on whenever the car is on.

It'd be cool though, like have a 3rd channel where you could turn on the fan on the transmitter whenever you want. I think that's possible
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Old 07-07-2004, 04:03 PM   #27
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When I run my micro when its about 80 degrees out everything gets VERY hot. I can't touch the motor or batteries for more than 1 or 2 seconds, and the esc (Gm V12, I think it might have built in heat sink) is very hot too, only in one spot though. Is the hot spot on the esc the heat sink.

Also, if I used a fan on my car, would it help keep the motor cool?

Thanks

I can take pics of my car if you need.
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Old 07-07-2004, 04:20 PM   #28
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Here's some pics I just took, if you need them.

http://www.one18th.com/showtoy.php?id=2799

I was thinking that I could put a fan between the rear body posts, pointing toward the motor. Would that help?
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Old 07-07-2004, 04:28 PM   #29
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It wouldn't help that much, as you want the air to go to the endbell more. It's better than nothing though.
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Old 07-07-2004, 06:09 PM   #30
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If I put a scoop thing that went from the fan and ended up at the enbell, would that help? It would look pretty cool.
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