View Full Version : how do you tell
RCBASHERFREAK50
03-11-2005, 09:49 PM
i just got some motors from a seller and i dont know how many turns they are....how can i tell?
RH Customs
03-11-2005, 09:57 PM
Take that apart and look at the armature where the appoxy is ( the green stuff) there should be a some letters and a number. For example a the armature on a Reed 19 Quad will say RDY 19. I hope the helps.
RCBASHERFREAK50
03-11-2005, 10:06 PM
what about the little measuring tape type thing around the edge...is the Orion Fantom a fast motor?
RH Customs
03-11-2005, 10:07 PM
I did not understand that last post?
RCBASHERFREAK50
03-11-2005, 10:41 PM
I did not understand that last post?
there is a little marking on the top side of the motor that goes from -24 to 24...it has little hash marks on it like a ruler.....what is that...also, i took the motor apart and i cant get it back together. There are these little things that are springy and wont let the shaft through the center.
RH Customs
03-11-2005, 11:21 PM
I'm not sure what the "spring things" are but the -24 to 24 marks are the "timing" marks a general rule of thumb for mod motors is to start with 12 or the 4 mark.
fs454
03-11-2005, 11:45 PM
springy, the brushes? Be careful with them, pull them back over the shaft, but don't scratch them or anything.
tadium54
03-12-2005, 12:00 AM
try posting a pic here. it might help
highroller
03-12-2005, 02:54 AM
Before taking the motor apart to determine the turns or winds mark the motor can first so when you reassemble it, it's in the right orientation and timing. Also a motor timing gauge would help, as the tag that's usually applied may not be in the correct position. There are two retaining screws on the end of endbell that holds the endbell, with a permanant marker, mark one screw along with a corresponding area on the motor can, when you remove the springs keep them in order - some springs are oriented by tension for either the positive or negative. Place them so you know which terminal they came off, pull out the brushes then loosen each retaining screw so you can rotate and remove the endbell and retaining ring. Keep the shims in order as well, some may get stuck in endbell or inside of motor, just be sure to reinstall them correctly. Now remove the armature and look for markings on the armature stack (that is where the copper wire is wrapped). There may be a set of numbers 12-1, that represents a 12 turn, single wind motor. Some may use the stock number which you would have to look up in the manufacturers site or product listing. Once you determine the turn and winds reassemble the motor - put shims back on armature shaft, put back in can, align the endbell/retaining ring with the notches then rotate the screw you marked with the mark on motor can. Tighten each screw enough to prevent movement but don't overtighten as this can cause excessive drag. Replace the brushes, then install each spring back in the proper place. When motor is powered up it should spin in a counter clockwise direction. If motor is turning in a clockwise direction, loosen each retaining screw and rotate endbell 180 degrees, this is where a motor timing quage would be handy - for bashing use I suggest using between 6 - 18 degree of timing (depending on the various types of motors) but for certain forms of racing you could use 18-36 degrees of timing.
RCBASHERFREAK50
03-12-2005, 10:30 AM
thanx, but how do i take out the brushes?
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