Any ideas what this reedy modified is?

[graemevw]

Picked up this cadillac label reedy modified, but no dot sticker on it. Its a double, but no clue what wind. I know its unlikely, but can anyone tell from the pic?

[coxbros1]

Not sure, but gonna need to get that comm cut

[jwscab]

Looks like a fairly low wind. 13 turn or so. I think green Dot is 13x2.

[graemevw]

Funnily enough, a motor builder said maybe 13.

[jwscab]

I may or may not have wound my own motors messing around with my old junk back in the glory days.....

there were only so many reedy dot motors available to the general public, so the rough bulk of wire and the eyeball of the wire gauge puts it about there.

[jwscab]

this is list of winds:

3522 20x4 Ultra Silver Star
3523 19x3 Ultra Brown Dot
6502 27x1 Ultra Competition Stock
6521 21x2 Ultra Silver Dot
6522 17x2 Ultra Red Dot
6523 15x2 Ultra Pink Dot
6524 19x2 Ultra Gold Dot
6525 14x2 Ultra Gold Star-Maybe this one
6526 12x2 Ultra Blue Dot-Maybe this one
6527 13x2 Ultra Green Dot-Maybe this one
8100 16x4 Ultra Yellow Dot

[graemevw]

Thanks.
Either way its too hot for my A stamp

Still, nice to have.

Would the wire gauge have been the same on those winds? Would be nice to be able to work out what exactly it is, but without unwinding it, that may not be possible.

[jwscab]

yes, you can actually determine the wind by the diameter of wire and the ohm reading of each comm (you need to get down to like 3-4 decimal places), so you need a really good meter. unfortunately, the ohm reading and wire gauge were never published....so you'd have to compare to a known reference or a few.

I have a green dot I need to rebuild so I can take it apart and get a measurement. Not sure when I will get to it though.

[graemevw]

No rush at all, but that would be great. A pic when its apart incase it looks obviously different and any info you can get would be fantastic!
My calipers go down to 3 decimal places and then halfs. I can measure the resistances too.