In post #72 & #73 of this thread, we discussed KMS Quantum and AXI motors - http://www.rcuniverse.com/forum/fb.asp?m=11457362
http://www.rcuniverse.com/forum/fb.asp?m=11456017
-Here are some more relevant comments:</p>

http://www.rcuniverse.com/forum/m_66...tm.htm#6692763
avalentine: <span style="font-size: small">" ... The KMS Quantum 2208/09 is almost a direct copy of the AXI 2208/20. </span>I picked one up at hobby people for $32. I have 3 different Quantum motors and they have all worked great for me ..."</p>

http://www.sloughrc.com/default.asp?...=M-KMSQ2208/09
KMS Quantum 2208/09 Motor
44g Kv 1920Diam (D) 28, Length (L) 26, LiPo: 2-3 cells Power: 100-150W</p>

http://www.modelmotors.cz/index.php?...&amp;line=GOLD
AXI 2208/20 GOLD LINE
45g Kv 1820 Diam 28, Length 26 No. of cells 2 - 3 Li-Pol</p>

<span style="font-size: small">These 2 motors are indeed very very similar ...</span></p>

And also: AXI 2820 motors, also have a very similar Kv range to KMS Quantum 2820 motors .....</p>