Add a mecanical bearing that don't need wool to rotate.

• To make windmill without wool (fixing speed manually) http://prntscr.com/s9es5n
• To make bigger waterwill (fixing speed manually too) http://prntscr.com/s9et8a

→ Only for aesthetic aspects, not to generate any energy.

are you going to give any info?

I failed x/ sry, i'll add some screen to introduce what i think

I feel so dumb right now.... why didn't i tried with the motor next to the bearing... my bad.
stop wasting time with that post...

I think what he means is, he would like to create windmills without wool.
If you apply rotational force to a bearing without a redstone signal it can rotate attached structures but won't provide power itself.