GWS shows an 8x6 at 5:1 on 6 cells (LPS) to only be 1.65A. If this is adequate power for your application, then the motor should last a looooong time.
I wish it was available in 3.5:1, like the S2 box, to spin a 7x6 or 8x4.3.... I'm afraid the 5:1 / 8x6 will not be adequate for my current application
I think I would need a 9x7 or so.
But, maybe an edf with a 6x5......