2012/08/22 18:53:53
spacey
I know it's a big whop-t-do to ya'll but
I'm quite excited...as I just re-wound my first
pickup.
I soldered the lead wires on and put the tester
on it and YES. I didn't short it out.
 
Now I'm going to "pot" it.
I've ordered paraffin and beeswax ( 80/20) mix
and heat to @140 and dip the pup.
They say this part can be dangerous...I thought that
bobbin spinnin' like crazy was...
 
I didn't feel right posting a picture lol. It looks like a pup again.
 
Well it was one of two Strat pups that I damaged somehow
while switching them in and out of different guitars so at least
I'm recovering my losses. I still have 4 more that I've damaged...guess
I'm ruff on pups.
Anxious to hear it after the dip.
 
The wax is to connect everything to help stop microphonics.
2012/08/22 19:04:15
alexoosthoek
Good for you Michael, have fun with it!
2012/08/22 19:04:32
UbiquitousBubba
Future historians would later point to this moment as the point in time when he could have been stopped.  Had the Coffee House done so, the AI Singularity might never have occurred.  The survivors can only speculate now about how history might have developed.
2012/08/22 20:13:56
bapu
Pups for all, all for pups.
2012/08/22 20:42:11
spacey
Thanks Alex! Yeah I'm still pumped.

Bubba I thought rewinding a pup was confusing enough...now
should I be concerned about historians too?

I sure wish I had one of those hats and sword...I would take a picture!

So...there are only two wires...one starts the wrap and one ends it...which is
+ and which is - ?
If there are 3 single coils and the polarity is a mix of N and S what is the mix?
Is it two Souths and one North or is it two Norths and one South?
If the wraps of copper are clockwise and counter-clockwise which polarity gets
which direction?
Do the  North magnets get wrapped clockwise?
Do the South magnets get wrapped counter-clockwise?

All these questions sure needs answers...help?


Nobody has asked how many wraps, in what direction, what polarity, what wire size and
how many wraps....and what was the final resistance reading?

Polarity- South
Clockwise wrap
42 heavy- because I was hoping it would help me not break that tiny wire
7,000 wraps IF my counter is working correctly
4k resistance - not good IMO but it's what I was shooting for. The reason is
that it should be weak and bright.

After I pot it I will find out if I'm right...pretty sure I am.

Next one will be 9,000 wraps and I hope to get a reading of 6 to just under 8k.
I need to know how full the bobbin is at 9,000 to see how hot I can get with this
wire.
The hotter the pup...the lower the highs.

The gauss of the magnets is what they were from Fender which should be right at 25.
I'll post a picture later of the measurement.

The parts I'll order to build my first one will not have charged magnets. I will charge them
and look for the same strength/gauss.

So...if ya wanna answer some questions that would be cool.............................for
me anyway. :)
2012/08/22 21:12:47
jbow
I'll be interested in how the potting goes. I have acouple of P-90s that need to be potted and I have paraffin and beeswax. It is just one of those things that slpiied onto the back burner. I didn't know about the 20/80 ratio so I am interested in how it goes for you. Is it 20% beeswax and 80% paraffin?

Very cool!

J
2012/08/22 21:59:12
spacey
J this is what I'm going to try- it's a dipper warmer. 
The mix is 20% beeswax.
J I have to tell you...if you go for it I've
read that it is VERY dangerous. It's recommended
not to even attempt it inside.
I didn't realize the danger I was putting myself in when I
was a kid making water candles.

Another issue- if it's to hot +140 f you could warp the
bobbin material.

I hope this warmer will get hot enough so I can leave
the wax in it.
Others I know have tried the crock pot version of this
and it's to hot...not sure how they correct or if they do.
I may have to find out.
I think this was about 15 dollars at Amazon.


Here is measuring the magnet gauss
on the old pup I rewound.


Here is the roll of 42awg heavy and the first
pup I've rewound.



Everything went very good except the wire guide
bar. I had sanded it but it's to ruff and the wire
didn't glide across it side to side. Easy fix.

Well hope you guys enjoy this.
Some of those questions are very important if you
like to change out pups...if you want to know just ask.
If I can help...that's a good thing.

OH YEAH....I had a great idea!...I think I can make a round
platter to old the bobbins out of CD's ! LOL...will be giving
that a go this weekend. :)
2012/08/22 22:11:10
Old55
Keep up the good work, Spacey.  
2012/08/22 22:44:09
craigb
Noice!
2012/08/23 08:29:37
Guitarhacker
That hot wax is useful for other things too......

I hear that if you pour it on sensitive parts of the human anatomy, it removes hair rather well...... 


sounds painful as all get out!
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