Wind Power B/C

[Eureka314]

Hi, I'm brand new at this event this year, do you guys have any tips?

[soyuppy]

How do you test efficiency of motor? Is there anyway to test RPM? i.e. how fast is the motor spinning?

[soyuppy]

I posted instructions for building a test stand and fan stand for Wind Power.
Test stand instructions: http://scioly.org/wiki/images/9/9d/Wind ... _Stand.pdf
Fan stand instructions: http://scioly.org/wiki/images/8/86/Wind ... _Stand.pdf

Feel free to use them in full, or just to extract subsets of information (e.g. recommended CD/DVD motor can be purchased from Jameco https://www.jameco.com/z/RF-310TA-11400 ... 38465.html)

Is the motor from jameco any better from one pry out of old CD player?

[dcrxcode]

I posted instructions for building a test stand and fan stand for Wind Power.
Test stand instructions: http://scioly.org/wiki/images/9/9d/Wind ... _Stand.pdf
Fan stand instructions: http://scioly.org/wiki/images/8/86/Wind ... _Stand.pdf

Feel free to use them in full, or just to extract subsets of information (e.g. recommended CD/DVD motor can be purchased from Jameco https://www.jameco.com/z/RF-310TA-11400 ... 38465.html)

Is the motor from jameco any better from one pry out of old CD player?

It's probably a little easier to use, but you do need that hub part. Prying it out of a CD player is a little harder than it may seem (heh).

[soyuppy]

per rule 3.f? The blade is initially mounted on the front facing the fan, but the blade slightly arch backward and toward the tip of the blade it cross the back plane of the CD, does this mean blade violate construction? How do you enforce this rule? eye balling?

[soyuppy]

I posted instructions for building a test stand and fan stand for Wind Power.
Test stand instructions: http://scioly.org/wiki/images/9/9d/Wind ... _Stand.pdf
Fan stand instructions: http://scioly.org/wiki/images/8/86/Wind ... _Stand.pdf

Feel free to use them in full, or just to extract subsets of information (e.g. recommended CD/DVD motor can be purchased from Jameco https://www.jameco.com/z/RF-310TA-11400 ... 38465.html)

Is the motor from jameco any better from one pry out of old CD player?

It's probably a little easier to use, but you do need that hub part. Prying it out of a CD player is a little harder than it may seem (heh).

I have a lot of the motors from CD player. But they are not yielding good voltage. So I wonder if these jameco is more efficient, i.e. yield better voltage.

[dcrxcode]

Is the motor from jameco any better from one pry out of old CD player?

It's probably a little easier to use, but you do need that hub part. Prying it out of a CD player is a little harder than it may seem (heh).

I have a lot of the motors from CD player. But they are not yielding good voltage. So I wonder if these jameco is more efficient, i.e. yield better voltage.

How...are you using it to yield voltage? Like it's not giving good measurements? The motor itself doesn't need to generate electricity, it just needs to conduct electricity through it so a multimeter can measure voltage.

[soyuppy]

It's probably a little easier to use, but you do need that hub part. Prying it out of a CD player is a little harder than it may seem (heh).

I have a lot of the motors from CD player. But they are not yielding good voltage. So I wonder if these jameco is more efficient, i.e. yield better voltage.

How...are you using it to yield voltage? Like it's not giving good measurements? The motor itself doesn't need to generate electricity, it just needs to conduct electricity through it so a multimeter can measure voltage.

am getting result...just wonder if jameco motor give better result.

[dragonfruit35]

I have a lot of the motors from CD player. But they are not yielding good voltage. So I wonder if these jameco is more efficient, i.e. yield better voltage.

How...are you using it to yield voltage? Like it's not giving good measurements? The motor itself doesn't need to generate electricity, it just needs to conduct electricity through it so a multimeter can measure voltage.

am getting result...just wonder if jameco motor give better result.

If you're talking about how much voltage it's giving you (not inconsistency), it shouldn't really matter as long as you're always using that same motor to test with each design. The actual voltage output is irrelevant, as the motor in competition will likely not be the same one. Just compare the voltages the motor gives you to each other to see which design is better.

[russianolive]

Please help! Where do you guys buy your kits?