E-flite Ultra Stick 25e ARF - Manual (Page 15)

Important Information About Your Brushless ESC
Make sure your ESC brake is programmed to Off. Also,
be sure to use an ESC with the proper 9V cutoff when
using 3-cell Li-Po packs, and 12V cutoff when using 4-cell
Li-Po packs.
 3. Connect the ESC to the motor and secure it to
the inside of the fuselage using hook and loop
material. Actual ESC location may vary.
Note:.It.is.wise.to.place.a.current.meter.in.line.
with.the.ESC.to.check.for.current.draw.during.
full.servo.operation..Please.see.page.29.for.
further.details.
 4. Slide the propeller adapter onto the motor. Place
the propeller onto the adapter, then a spinner
cone onto the adapter and secure.
Note:.It.is.very.important.that.you.check.to.be.
sure.the.propeller.is.balanced.before.installing.
onto.the.shaft..An.unbalanced.propeller.will.
cause.performance.issues.
15