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Airplane fan - Page 2

post #11 of 23
just power it with 5v!

That way it'll be safe...cause I'm sure it's not meant to be a 100% all the time fan anyways...
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post #12 of 23
im more concerned about the horror it would be to accidentally lose a finger in the damn thing.. lol.. besides arent those fans designed to run or like 20min intervals(i.e. acutally flying a remote controlled plane) couldnt it possibly overheat and OR start a fire if you do happen to get it to work and you didnt think of this. another thing .. im not trying to tear you down safety first hehe. another thing if you were to somehow mod it to work with your powersupply wouldnt it be loud as hell?or cause rattling? XP

~Rabies
post #13 of 23
Well if you got this workig somehow that would be some nice airflow there. Im sure you could Fiddle with a molex connector to get it to power the Prop.
post #14 of 23
exactly...the fan will most likely burn out in a month or 2 maximum as it is not designed to run 24/7 like pc fans are. airplane motors may generate alot of heat as they ar eonly used in short intervals and wont be very good unless mounted perfectly. attaching to heatsink is gonna be a pain
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post #15 of 23
Quote:
Originally Posted by Gisted_Kudu
So I remembered I have this old broken remote controled airplane and everythings good but the wing and steering lines, so I figure I could salvage the prop from it and some how use it in my computer.

Has anyone tried this??
And if so how did you go aobut mounting it and keeping the propeller from cutting cables and what not?

Any Ideas on how to power this still using my power supply? The battery it takes is 7.2 volts at 900 mha.

Thanks in advance for anyone who has done this or has an idea of what to do.

Since the motor needs 7.2 volts I would advice you to try the folowing: commect the "+" of the motor to the +12V rail and the "-" to the 5V rail. This way you have 7V between the rails. It would undervolt the motor a little so be careful it doesn't heat up. Some motors have a bad habbit of heating up when they don't receive the nominal voltage, but not all of them (I did some modeling a few years ago). If it doesn't heat up in the first 15 mn you're fine. Do not aliment it with 12V as you'll fry it for sure.
Hope this helps!
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post #16 of 23
I have another suggestion, why not just take the blade off the airplane engine, and mod it onto a high rpm fan.
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post #17 of 23
nice idea dude this should work

once i bought a s478 heatsink/fan for $9 and took the fan off and used it as a case fan in my old celly; i went into bios and saw the fan's speed: 5600rpm.
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post #18 of 23
5600?!? Woah, isn't that loud?
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post #19 of 23
Whats a modell aeroplane fan used for ?.To fly a plane!.Which means it pushes alot of air which means alot of uptrust.In other words you will be subjecting your motherboard to forces it was not designed for.
And what you could do is have a standard fan on the heatsink runnig all the time make something that you can fix the propellor to the case and run with a battery
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post #20 of 23
yah that'd make sense since r/c planes run on batteries anyway; it'd also be easier than soldering connections and using adapters and crap

Quote:
5600?!? Woah, isn't that loud?
yah it was about as loud as a vantec tornado; plus it was a 70mm fan that i fixed on an 80mm fan grill so i had to duct tape the fan and screw it somehow onto the grill; worked for awhile until i got pissed at my celly cuz it couldn't work; then i sold the psu, mobo, case, and cpu for $100 to one of my folding fanatic friends whose farm is ALL p4's and p3's
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