Silent-AV8R:<span style="font-size: small"> You overlook one very obvious point:</span> The reason that the Gens Ace, the Hacker, the Turnigy SK3 and the Hyperion-Z motors all give totally <span style="font-size: x-small">IDENTICAL</span><span style="font-size: small"></span> results on the Test Stand -is because underneath the purple/ silver / blue /green coloured outside wrapper, <span style="font-size: x-small">they are all </span><u><span style="font-size: x-small">EXACTLY THE SAME MOTOR UNDERNEATH.
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-That is why they all have the very same specs, and that is why on the test stand, they all give totally IDENTICAL resuts -for current, RPM, thrust, everything ....</p>

I am not a dyed in the wool anything fan -I use whatever is best, and I always use the proper tools for the job -including brushless motors.</p>

PLEASE NOTE: I am not just testing "HobbyKing" SK3 motors -I am also testing Hacker, Hyperion-Z, Gens Ace, Foxy, and I will also test some LiPolice motors.
<span style="font-size: small">-So we can eliminate your quite inappropriate comment, about this " ... only being to do with HK ...".
</span> <span style="font-size: medium">This whole re-branding business -is a MUCH WIDER ISSUE THAN "HK" or than Hacker...
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What we have here, is the SunRay Technology factory making EXACTLY the same motor for at least 25 different brands -and to hide that they are all exactly the same motor, they just give them different outside colours, and some different shaped end housings ...
<span style="font-size: small">-But inside, underneath the outer clothes, they are all <u>exactly</u> the same ...</span></p>

And for some of these identical motors, depending on their brand name,we end up paying 4 or 5 times as much,for the very same identical motor ...</p>

-Dr Kiwi (Phil M) has tested many OK Hobby Infinite motors (his test stand will go up tomotors~100g) and it is very clear from his results that these Infinite motors are ALSO identical with Hacker, Hyperion-Z, Gens Ace, Turnigy SK3, LiPolice etc etc -and come from the same SunRay factory as all the others.</p>

If Hacker really was 10% better, or 20% better, or 30% better, or 50% better than some of the others, then I would not mind paying 3 or 4 or 5 times as much for a Hacker. Not in the slightest ....</p>

<span style="font-size: medium">But what I do <u>NOT</u> like </span>-and it is now incredibly clear -is that Hacker is <u>EXACTLY</u> the same motor as: Hyperion-Z, Gens Ace, Turnigy SK3, Common-Sense-RC, LiPolice, OK Hobby Infinite, Shulman Aviation FURY etc etc etc
<span style="font-size: small">-And yet we are <u>STILL</u> paying 4 or 5 times as much for a Hacker motor, compared to the others -when it is a completely IDENTICAL motor to all the others ... </span></p>

<span style="font-size: medium">That, I do<u>NOT</u> like ...</span></p>