General guidance

[Bruce S]

NOW you certainly have my attention!!
Bio_D wasn't just a hobby for me, neither is brewing.
My old MB300TD , used 90% Bio_D in summer and 40% during winter.
I don't brew beer to much anymore, much easier to go the Blue Flame route.
Never was much of a Hendrick's fan but I do like Sammy Hagar!
http://www.youtube.com/watch?v=D8sO8r85MYQ
Cheers !
Bruce S

[Uncorruptable]

Never was much of a Hendrick's fan but I do like Sammy Hagar!
http://www.youtube.com/watch?v=D8sO8r85MYQ
Cheers !
Bruce S

One of my other favoriet bands,

[Uncorruptable]

OK people, heres what i can rip apart at my disposal in the HP series, please advise which one is best,

Deskjet 6940, Inkjet 1100, Laserjet 4000n, laserjet 1200, laaserjet cp3505n.

There are a few epson & canon printers & faxes also.

[Bruce S]

For me the 1200s were POS's but that's just the ones around here in the USA.
That and the 4000n, the 4000n will probably be the best of the two.
The others will have much smaller motors.
Epsons VERY old units had some pretty large ones, but HP was/is always good for motors.
Those big honk'n Cannon fax machines could be a gold mine too. just a little hard to get into.
Shot for the 4000n for now.

 

[tecker]

Multi functions Laser printers have the bigger motor . A small wind generator to maintain the slas in a UPS is a good Idea . Disable the alarm . I'll  wrap up a small motor and a larger one by the end of the week end and up date the winter diary . The small motor is getting 1/4 mags and the larger gets 3/8. I have 4 small laser printers spotted at a thrift store  I'll rip  for motorss power supplies  drivers and rod stock .

[Uncorruptable]

Just pulled this out of a large office shredder,

[Uncorruptable]

Cleaned it up & it appears that the motor spins in a gear mechanism which turns the shredders slowly, would this be advantageous?

Hook the turbine up to the shreeder bars & it will spin the motor faster?

it does feel like there is quite a bit of resistance trying to spin the shredder wheels though.

[Uncorruptable]

So people, i have an air conditioner here going to scarp, i beleive there is a good inverter in them to be salvaged, what about a motor in these, not sure what the black thing is on the left here but would the motor be of any practical use for what we want to do?

[fabricator]

I can't imagine why an air conditioner would have an inverter in it.

[DamonHD]

Possibly the sort that controls motor speed, not the sort that you and I mean...

My washing machine contains a inverter driven motor, IIRC (and the second glass of wine hasn't gotten to me), with a long passage in the user manual not to panic about the odd noises it may make.

Rgds

Damon

[fabricator]

I suppose it could also possibly be an RV air conditioner, that can use either 110 or battery power.

[Bruce S]

That black thing with the deawoo "carrier" on it looks more like the compressor, but can't be sure with such a photo, would need more of an over all photo.
I can't get the motor rating plate to increase in size enough to read it clearly.
A lot of RV rated ones (USA ones I've looked at recently) are AC and the APC takes care of the inverter side of things. The really bigs ones for Side sliding RVs look more like my house unit , squished down with the cooling fins wrapped around with multiple of the squirrel cages looking one he has in the pick.
I can almost guess what caused the death of this unit  look at the dirt build up on the cage cooling fins!!
UC:: Can you if you still have the unit? get a better pic of that rating plate? possibly others as well. IF not no biggie.
IF you're able to go scrapping around the cooling units, look for the newer ones that may have GE on them, you'll be able to tell an ECM motor by the rating plate or even by the body as the electronics will be on the back plate.
Now, know that this comes from a guy looking at ones in the USA side of the world.
Best of luck!
Bruce S

[Uncorruptable]

Hi all,

Been away from anything productive the last few days, bank holiday weekend in ireland weekend gone & i extended into tuesday for good measure.

A lot of homebrew beer consumed, one has to enjoy ones achievments now and again

Back to work, is the motor from the shredder above any good to me in use with the gear mechanism attached to the shredders?

Is the motor from the air con any use or would i be wasting my time dismantling it?

The markings on it are,

230v - 50hzt - 120watt - 1200 U/min - 3,15 úF - 450vbd

The one from the shredder looks identical to this,

http://www.ebmpapst.com/en/products/motors/capacitor-motors/capacitor_motors.php

The markings are clear in the picture on the shredderone, can you advise if this suits?

[Uncorruptable]

Hi all,

Anyone want to advise on the shredder motor? I will strip it down & fix the blades to the shaft of the shredder if it is a good motor to use, i think i will gain with electricity produced using the gear mechanism for the sfat & in turn turning the motor faster.

Let me know please.

Thanks,

Eóin.

[wooferhound]

The last few motors that you have talked about appear to be AC motors which need to be converted and it's difficult but possible.
http://www.fieldlines.com/index.php/topic,143568.0.html

You need to be looking for DC/PMM motors which will make voltage without any modification.
http://www.fieldlines.com/index.php/topic,143574.0.html

also useful are servos and other related motors.

[Uncorruptable]

Hi people,

Been busy doing lots of stuff latley & am looking to utilise the tumble dryer motor in the first post for anotther application as is, how do i set it up so  i can power it directly from a socket?

I wired it into a plug into the coorrect wires after looking on the net & plugged it in, i spun abpout two turns then tripped the main fuse back at the board, i done a little research online but cant really seem to find an answer, can any of you advise how i go about powering this motor independently of the dryer circuitry?

[tecker]

Sounds like the start cap is not in the circuit

[Uncorruptable]

Any way around that?

[tecker]

You showed the cap in the first set of  pictures

[fabricator]

Wrap a string around the shaft and pull it like you would a pull start gas engine, in the direction it wants to spin, give it a good rip then plug it in while it's spinning fast and see what happens.

[Uncorruptable]

I will definetley give that a go, do you think that will start it up right?

[fabricator]

It should if your start cap is missing or burned up.

[Uncorruptable]

OK, i have baled on motors as i have aquired myself 208 neodymium magnets.

Thing is, having looked over Hugh Piggots axial flux manual i see he builds with magnets that are 46 x 30 x 10 grade 40.

The magnets i have are 40 x 20 x 5 Grade unknown.

Also, they are glued to a metal plate in strips of 26 (8 plates in total)

They are at a slight angle also, i have tried to pry them off but they wont budge and begin to fragment,.

See the attached image



Is it possible, to construct a generator, that would have the 8 strips of these, inside a vertical cylider evenly spaced with the copper coils mounted on a pole inside the cylider. The blades to catch the wind would be fixed to the outside of the cylinder in a vertical fashion, so when the cylinder spins the magnet strips pass the coils inside which are in the fixed position on the pole, both of which are arranged in a vertical axis both magents & coils?

[tecker]

How are they oriented ?
If NS youcould cut the bcking and be good.

[Uncorruptable]

They are at a slight angle on the plate (see pic)

Would be some job to cut each one out of the plate, the plate is about 5mm thick steel plate.

I am assuming that the magnet must pass over the coil 'squarley', yes??

[CraigM]

How are they oriented ?
If NS youcould cut the bcking and be good.

I believe what Tecker is asking is if the magnets are placed with alternating North, South poles on the steel strip. If so you could cut between each magnet and leave the steel attached. You'd then be able to attach (glue) the magnets to steel disks to make an axial flux alternator.

If all of the poles on each strip are the same, either north or south you won't be able to do this, unless one of the other strips happens to have the opposite poles.

If you don't want to cut the strip apart and the poles are alternating north south you could make one heck of a linear alternator. Not sure how you would move it back and forth but it would make an interesting project.

Looks like these came out of a large linear motor of some kind... don't get that shovel too close!

CM

[Uncorruptable]

Now thats what i wanted to hear,

A linear alternator, how do i check if the poles are running north/south alternating from magnet to magnet?

The magnets came out of a drive track that were all placed inline in a machine?

(have already had two of the tracks snap together, no injuries but one hell of a job to get them apart)

[electrondady1]

hi,
 to test the magnets polarity you need a small magnet .
hold it in your fist and move it over the mags.
if the mags are alternating in polarity you will feel the magnet want to rotate in order to match the mag it's over.
it will be repelled or attracted to the mags on the steel strip.

[fabricator]

If you had a 4" grinder you could use a cutting wheel to cut the backer strip along the magnet edges, trying to build a long linear alternator would pretty much be a nightmare.

[electrondady1]

if the mags alternate you could build a linear alternator
it they don't alternate,
you could build a dual rotor 4 pole radial alternator
or an 8 pole single rotor radial
and axial would be kind of a lot of work
better to use the magnet strips as is .

they look like ceramic mags to me?
 they look like they are embedded,almost flush with the surface

[tecker]

Try putting the back bar in a vise and twist it that's how I get the mags off Hard drive head actuators

[Uncorruptable]

if the mags alternate you could build a linear alternator
it they don't alternate,
you could build a dual rotor 4 pole radial alternator
or an 8 pole single rotor radial
and axial would be kind of a lot of work
better to use the magnet strips as is .

they look like ceramic mags to me?
 they look like they are embedded,almost flush with the surface

I would prefer to use them as is, they are fixed firmly to the backing plate.

Im not sure if they are ceramic, when i tried to pry one away it fragmented at the edge, the under surface was very light coloured grey almost silvery, it kind of slintered into little bits.

The reason they look flush is there is a plastic mould the height of the magnets also fixed to the steel plate to make it a flush surface, the plastic is easily removed to reveal the mags stuck to the plate.

The plates have 24 predrilled holes evenly spaced where it was fixed orginally.

I would like to make an allternator with them as is if it is possible, if its a challenge, great.

Any help appreciated on the technical side.

I dont really want to try twisting the bar in a vice, if you refer to hard drives from PC's, are the mags held in place with glue on them or cement?

These seem to fixed with a very strong resin or glue, dont want to damage them by twisting in a vice & a whole bunch of them potentially break.

[Frank S]

It seems that everyone has a tendency to think too two dimension-ally
 You have 8 of them correct and they are a couple of feet in length. So forget about axial think radial .
 determine if they are in fact nsnsns- - - - -? then slice away slots in the bar from the back side to allow it to become slightly flexible make a large diameter rotor maybe 48 inches or more and a stater with dozens & dozens of coils wire it however you chose you could then have  a nice high output very low RPm generator