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Search: Posts Made By: DrMotor
Showing results 1 to 25 of 461
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Forum: Electric Pattern Aircraft
01-29-2014, 12:00 AM
Replies: 19
Views: 5,385
Posted By DrMotor

I am very late to this party ... I have just...

I am very late to this party ... I have just seen a PM from arshish1612 ...
-There has been a great deal of very good discussion already

From my experience with the Angel 50: (a...
Forum: Brushed/Brushless motors, speed controls, gear drives
04-20-2013, 08:23 PM
Replies: 170
Views: 78,305
Posted By DrMotor

RE: Hacker A30-12L vs Turnigy SK3 3542-1000Kv -Head to Head PERFORMANCE TEST

RECEIVED THIS MESSAGE: Fri, 19 Apr 2013 22:34

The following was sent to you through RC Universe:
-
I wanted to thank you for your dilligent work on the board with motors and esc. I knew this was...
Forum: Brushed/Brushless motors, speed controls, gear drives
04-19-2013, 07:54 PM
Replies: 170
Views: 78,305
Posted By DrMotor

RE: Hacker A30-12L vs Turnigy SK3 3542-1000Kv -Head to Head PERFORMANCE TEST

Here are the plots for the HYPERION Z3019-12T motor by itself:

<span style="font-size: small">This plot shows RPM vs Input Power, and Thrust vs Input Power, for 3S Lipo:</span></p>
...
Forum: Brushed/Brushless motors, speed controls, gear drives
04-19-2013, 07:46 PM
Replies: 170
Views: 78,305
Posted By DrMotor

RE: Hacker A30-12L vs Turnigy SK3 3542-1000Kv -Head to Head PERFORMANCE TEST

Here are the plots for the Turnigy SK3 3542-1000Kv motor by itself: (-these were never shown in posts #11 and #12)</p>

<span style="font-size: small">This plot shows RPM vs Input Power for 3S...
Forum: Brushed/Brushless motors, speed controls, gear drives
04-19-2013, 07:20 PM
Replies: 170
Views: 78,305
Posted By DrMotor

RE: Hacker A30-12L vs Turnigy SK3 3542-1000Kv -Head to Head PERFORMANCE TEST

<span style="font-size: medium">Issue of: The Kv rating of Hyperion Z3019 motors:</span></p>

The HYPERION Z3019-12T motor is rated by Hyperion as having a Kv of 900.
-However, we have shown in...
Forum: Brushed/Brushless motors, speed controls, gear drives
04-18-2013, 11:20 PM
Replies: 170
Views: 78,305
Posted By DrMotor

RE: Hacker A30-12L vs Turnigy SK3 3542-1000Kv -Head to Head PERFORMANCE TEST

<span style="font-size: medium">CONCLUSION OF THIS INVESTIGATION:</span></p>

1. The HYPERION Z3019-12T motor is the same motor as the Hacker A30-12 L and the Turnigy SK3 3542-1000Kv</p>

2. The...
Forum: Electric Pattern Aircraft
04-18-2013, 08:44 PM
Replies: 59
Views: 18,480
Posted By DrMotor

RE: 4S Practice Plane

<span style="font-size: medium">Looks REALLY nice, Mike
</span> -Looks like the canopy is further forward, than on previous versions of the Monolog 400

The GForce G32 (4250-800KV) is 214g, D42...
Forum: Brushed/Brushless motors, speed controls, gear drives
04-18-2013, 08:15 PM
Replies: 170
Views: 78,305
Posted By DrMotor

RE: Hacker A30-12L vs Turnigy SK3 3542-1000Kv -Head to Head PERFORMANCE TEST

I would be very highly interested to hear what impression you might have of whichever Turnigy SK3 / Gens Ace / Hyperion -Z motor ypou decide to get ...</p>


For 2m F3A planes there is, of course,...
Forum: Brushed/Brushless motors, speed controls, gear drives
04-18-2013, 07:52 PM
Replies: 170
Views: 78,305
Posted By DrMotor

RE: Hacker A30-12L vs Turnigy SK3 3542-1000Kv -Head to Head PERFORMANCE TEST

I am grateful for you saying this, gaRCfield
Perhaps we also should add: " ... Andalso,Turnigy SK3, Hacker and Hyperion-Z motorsare made side-by-side, at the SunRay Techmology factory, in Shenzhen,...
Forum: Brushed/Brushless motors, speed controls, gear drives
04-18-2013, 02:19 PM
Replies: 170
Views: 78,305
Posted By DrMotor

RE: Hacker A30-12L vs Turnigy SK3 3542-1000Kv -Head to Head PERFORMANCE TEST

I suggest if you want to know -contact HobbyKing or Hacker or SunRay Technology -and find out. All it takes is a few short emails ...</p>


1. The magnets in Hacker, SK3 and Hyperion-Z have...
Forum: Brushed/Brushless motors, speed controls, gear drives
04-18-2013, 01:53 PM
Replies: 170
Views: 78,305
Posted By DrMotor

RE: Hacker A30-12L vs Turnigy SK3 3542-1000Kv -Head to Head PERFORMANCE TEST

<span style="font-size: medium">PHOTOS COMPARING THE INSIDE OF THE HYPERION Z3019-12T and the Hacker A30-12 L</span></p>

Here are photos of the inside of the HYPERION and the Hacker motors, after...
Forum: Brushed/Brushless motors, speed controls, gear drives
04-18-2013, 01:30 PM
Replies: 170
Views: 78,305
Posted By DrMotor

RE: Hacker A30-12L vs Turnigy SK3 3542-1000Kv -Head to Head PERFORMANCE TEST

<span style="font-size: medium">PLOTS COMPARING performance of the HYPERION Z3019-12T and Hacker A30-12 L motors:</span></p>

These plots confirm that the HYPERION Z3019-12T and the Hacker A30...
Forum: Brushed/Brushless motors, speed controls, gear drives
04-18-2013, 01:19 PM
Replies: 170
Views: 78,305
Posted By DrMotor

RE: Hacker A30-12L vs Turnigy SK3 3542-1000Kv -Head to Head PERFORMANCE TEST

<span style="font-size: medium">Results and Discussion:
</span>The HYPERION Z3019-12T motor ran smoothly with all the props tested.
Results are shown on the attached data sheet. -For each prop,...
Forum: Brushed/Brushless motors, speed controls, gear drives
04-18-2013, 12:53 PM
Replies: 170
Views: 78,305
Posted By DrMotor

RE: Hacker A30-12L vs Turnigy SK3 3542-1000Kv -Head to Head PERFORMANCE TEST

<span style="font-size: medium">HYPERION Z3019-12T &ldquo;900&rdquo;Kv motor </span><span style="font-size: small">-How does it compare with the Hacker A30-12 L and the Turnigy SK3 3542-1000Kv motors...
Forum: Brushed/Brushless motors, speed controls, gear drives
04-18-2013, 10:54 AM
Replies: 170
Views: 78,305
Posted By DrMotor

RE: Hacker A30-12L vs Turnigy SK3 3542-1000Kv -Head to Head PERFORMANCE TEST

Thanks very much for this, It is a very reasonable, even handed and well considered point, Ed.
It is abundantly clear that Hacker, Turnigy SK3 and Hyperion-Z motors are inter-changeable with each...
Forum: Brushed/Brushless motors, speed controls, gear drives
04-18-2013, 10:21 AM
Replies: 170
Views: 78,305
Posted By DrMotor

RE: Hacker A30-12L vs Turnigy SK3 3542-1000Kv -Head to Head PERFORMANCE TEST

1. That RCG thread is from well over 1 year ago. Things have moved on <span style="font-size: small">ENORMOUSLY</span> since then.
I was only towards the end of that thread, that it was discovered...
Forum: Brushed/Brushless motors, speed controls, gear drives
04-18-2013, 10:00 AM
Replies: 170
Views: 78,305
Posted By DrMotor

RE: Hacker A30-12L vs Turnigy SK3 3542-1000Kv -Head to Head PERFORMANCE TEST

With the benefit ofyour experience then, tellus what would be amuch better design. Rather than just being critical, and only tryingto denigrate something -Please go ahead and be constructive, and...
Forum: Brushed/Brushless motors, speed controls, gear drives
04-18-2013, 09:50 AM
Replies: 170
Views: 78,305
Posted By DrMotor

RE: Hacker A30-12L vs Turnigy SK3 3542-1000Kv -Head to Head PERFORMANCE TEST

Indeed, and in all my tests I am using very large props for each motor, that give a very high current draw and really stress the motor. My aim isto explore the limits of each motor size in...
Forum: Brushed/Brushless motors, speed controls, gear drives
04-18-2013, 09:37 AM
Replies: 170
Views: 78,305
Posted By DrMotor

RE: Hacker A30-12L vs Turnigy SK3 3542-1000Kv -Head to Head PERFORMANCE TEST

You are missing the point. It is not based on "looks" at all. It is based on precise, careful, methodical measurement of these motors on the Motor Test Stand. And then we can also see, when we take...
Forum: Brushed/Brushless motors, speed controls, gear drives
04-18-2013, 09:29 AM
Replies: 170
Views: 78,305
Posted By DrMotor

RE: Hacker A30-12L vs Turnigy SK3 3542-1000Kv -Head to Head PERFORMANCE TEST

I will only give very brief responses to gaRCfield,because all these questions have already been answered.There is no point in repeating ourselves:</p>


-The point is that Turnigy SK3 and Hacker...
Forum: Brushed/Brushless motors, speed controls, gear drives
04-17-2013, 05:22 PM
Replies: 170
Views: 78,305
Posted By DrMotor

RE: Hacker A30-12L vs Turnigy SK3 3542-1000Kv -Head to Head PERFORMANCE TEST

<span style="font-size: medium">No, it is not. Definitely not.
</span>You cannot ignore the very extensive and very compelling objective evidence that has been placed on this thread.
The Hacker and...
Forum: Brushed/Brushless motors, speed controls, gear drives
04-17-2013, 05:11 PM
Replies: 170
Views: 78,305
Posted By DrMotor

RE: Hacker A30-12L vs Turnigy SK3 3542-1000Kv -Head to Head PERFORMANCE TEST

</p>

The reason is verysimple.
Competition pilots, for instance F3A pilots, tend to be easily seduced by "designer label" motors like Hacker, Plettenberg etc. After all,a great many of these...
Forum: Brushed/Brushless motors, speed controls, gear drives
04-17-2013, 04:51 PM
Replies: 170
Views: 78,305
Posted By DrMotor

RE: Hacker A30-12L vs Turnigy SK3 3542-1000Kv -Head to Head PERFORMANCE TEST

</p>

I absolutely do NOT agree with you at all. Indeed, you are wrong.
The testing I have done so far on motors, covers the whole RPM range and much more than likely to be used in a flying...
Showing results 1 to 25 of 461
 
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