Experimental Failure?

[voodoochild]

Hello All,

I was just trying something different, possibly something stupid but I figured what the heck. I wound a strat bobbin with both PE and Formvar 42 ga together in the same direction but half the number of turns. Instead of 8000 turns I did 4000 since I would have double the build up of wire of coarse. Anyway I got a funky 1.5K reading on the meter and a weaker sounding pickup. I tried winding it again to make sure I didn't have a short somewhere but I still got the same results. What could cause this? Could it be because I have 1/2 the distance on each type of wire? Obviously this was a failed experiment that has a simple explanation I'm sure. Any knowledge pertaining to this would be greatly appreciated.

[corduroyew]

It's logarithmic... each layer takes more wire than the one before it which means that twice as many wraps more than twice the DC resistance.

[Sock Puppet]

Isn't it just because the windings are paralleled?

i.e. 4000t > say 3k giving two 3k's in parallel=1.5k. Wouldn't connecting one coil start to the other's finish give a 6k useable pickup?

My latest experimental failure was winding two 1/2 size strat coils and stacking them on the same magnets, the top coil is fine-but-weak yet connecting the lower coil contributes little to the volume OR tone -

Surprising at the least.

Oh well..

S.

[EtLa]

1.5 K is normal because you have two resistance in parallel.

edit: oupss you already figured it out

[Dave Kerr]

This patent was linked to a while back - you've more going on there than just 2 parallel coils.

[David Schwab]

You can try wiring the two windings in series... might be interesting.

[Ruel]

You got two coils in parallel. Ohm's law tells all about it.

[voodoochild]

Ohm's Law! Duh. Why didn't I think of that? Thanks guys.

[Zhangliqun]

This patent was linked to a while back - you've more going on there than just 2 parallel coils.

Curious -- so the idea is a high output pu without high freq loss? And what does the pot (variable resistor) connecting the two parallel coils do, tune in or out the amount of bass?