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Author Topic: The Ossie motor  (Read 332949 times)

Magluvin

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Re: The Ossie motor
« Reply #390 on: March 16, 2010, 10:31:56 PM »
Jim

Are the mags all the same pole out? If so, the coil is probably getting a nulled field potential the way the coil is. I would put some small thin 20 to 23ga  30 to 60 turns right in front of the driver coils. Then as you pull charge to a bridge and cap, you will be able to run the motor and pickup power from the rotor and the coils as it runs. And hopefully if the timing remains the same, the motor wont use any more than it is.
Its worth a shot to try 1 coil like this to see if it works. The rotor may be dragged down some, but if it still uses very little to keep it going, you could have some good power output on the charge.
Your pickup coil is also using too thin of a wire to get good current output. The 20 to 20 ga will generate some light bulb running currents.

Mags
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Magluvin

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Re: The Ossie motor
« Reply #391 on: March 16, 2010, 10:34:06 PM »
Oh  on the thin pickup coils, try to get the core to be the same size as the driver cores in dia.

Mags
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Jimboot

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Re: The Ossie motor
« Reply #392 on: March 17, 2010, 01:43:32 AM »
I'm thinking about switching back to a larger rotor as it seems to have more torque. The extra mass maybe? But I'll think I'll do the same config of 8 mags rather than 4. The larger rotor will also create more room for pickup coils.
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Jimboot

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Re: The Ossie motor
« Reply #393 on: March 17, 2010, 03:08:37 AM »
Quote from: Magluvin on March 16, 2010, 10:31:56 PM
Jim

Are the mags all the same pole out? If so, the coil is probably getting a nulled field potential the way the coil is. I would put some small thin 20 to 23ga  30 to 60 turns right in front of the driver coils. Then as you pull charge to a bridge and cap, you will be able to run the motor and pickup power from the rotor and the coils as it runs. And hopefully if the timing remains the same, the motor wont use any more than it is.
Its worth a shot to try 1 coil like this to see if it works. The rotor may be dragged down some, but if it still uses very little to keep it going, you could have some good power output on the charge.
Your pickup coil is also using too thin of a wire to get good current output. The 20 to 20 ga will generate some light bulb running currents.

Mags
Xlnt Thanks Mags. The poles are alternating on both axis.
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Jimboot

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Re: The Ossie motor
« Reply #394 on: March 17, 2010, 03:32:11 AM »
Quote from: Magluvin on March 16, 2010, 10:34:06 PM
Oh  on the thin pickup coils, try to get the core to be the same size as the driver cores in dia.

Mags

Mmm ok - that hould make things a little easier actually
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Magluvin

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Re: The Ossie motor
« Reply #395 on: March 17, 2010, 03:39:05 AM »
Try to keep the coil 1/4 in deep from front to back. Just try 1 to start and just send it through a bridge rect to a cap and see what voltage it gives. No switches or reeds on this coil, for now.

Mags
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Jimboot

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Re: The Ossie motor
« Reply #396 on: March 20, 2010, 04:10:47 AM »
Not 100% sure what current I'm drawing here but from what I can tell it is bouncing between 0.8DCmA & 1.5DCmA. I have switched back to a single D Cell which is at 1.25V. Currently doing 750RPM.
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Jimboot

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Re: The Ossie motor
« Reply #397 on: March 20, 2010, 04:13:14 AM »
haven't had any joy with pickup coils. Should I see a charge just by hooking the coil up to a meter whilst it's in front of the mags?
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Magluvin

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Re: The Ossie motor
« Reply #398 on: March 20, 2010, 04:36:14 AM »
Jim

Hook the pickup coils leads to the ac side of a bridge rectifier and the dc out to a cap. 100 to 1000 uf  16v or more.
Then measure the caps charge.  And if you put a little light bulb or a 10ohm res, you can read the voltage and current to figure your watts out, as compared to your watts in.

Mags
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Jimboot

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Re: The Ossie motor
« Reply #399 on: March 20, 2010, 05:38:47 AM »
been running on my 55F super cap for 11mins now. rpms have decreased. Trying to retune to get a better rpm
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Jimboot

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Re: The Ossie motor
« Reply #400 on: March 20, 2010, 05:54:21 AM »
woohoo! Self runner... I think.
20mins on Cap 350RPM.
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Jimboot

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Re: The Ossie motor
« Reply #401 on: March 20, 2010, 05:54:34 AM »
29mins on a cap so far.
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Jimboot

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Re: The Ossie motor
« Reply #402 on: March 20, 2010, 09:42:55 AM »
Not sure really re self runner. I'll have to set it up for an extended run. Def a long runner tho :)
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Jimboot

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Re: The Ossie motor
« Reply #403 on: March 21, 2010, 01:00:19 AM »
Thanks Mags. I'll do that today. Doing another run on the cap. At 45mins so far but volts are dropping.
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Rapadura

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Re: The Ossie motor
« Reply #404 on: March 21, 2010, 03:42:53 AM »
Running 45 minutes just on one supercap is very impressive. 45 minutes is not 45 seconds. It's a lot of time! Very good!


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