reconing

So Ive been hunting to find more in depth specs for these motors....(coil height, diameter, etc.) 1) RF T115D2 2)RD alpha V2 D2 3)Treo SSX (the 3 in. coil) 4) MA Audio hk15X2 5) ....and just for grins....I'd like to do something fun with an old SPL CAL-10 motor with the cute 2 in. coil if...