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Leopard Hobby PHS2307 2400kv
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A larger stator offering from Leaopard Hobby in their PHS line of multirotor motors.

Check out the full list of motors in this series here

Summary

Published: Jun 11, 2017

Tested KV:2300kv
Weight:38.6g
Stator W:23mm
Stator H:7mm
The first motor from Leopard Hobby a few months ago impressed me, beating out even the Emax RS2205S, so I was hopeful of seeing more offerings from them. Recently they have expanded their offerings, so look forward to more tests from these motors over the next few months.  They have taken their initial 2205 design and expanded to 23mm diatmeter.  The first motor in the new lineup to hit the bench is the 2307 2400kv.  The build quality is essentially the same as the PHS2205, with excellent machining and great features. The same complaint remains, with the motor coming in a bit heavy at over 38g with 45mm of wire. This is a large motor though, and the weight is still less the T-Motor F80 by a fair margin, which is probably the next closest competitor.  I was surprised that the PHS2205 never really saw much distribution given the high quality, and I'm definitely hoping to see more availability of these motors in the US with the new series.

Results

The large stator size here and mid-kv range have some interesting impact on the results here.  The KV is a bit lower than stated, coming in at around 2300kv, but it turns out that may be a positive here.  The large stator and excellent tolerances on this motor mean that it is capable of delivering a huge amount of power.  The KV means that it is doing that fairly good efficiency.  For example this motor is producing numbers significantly higher than the Emax 2306 2400kv, but at essentially the same current draw.  That trend is consistent even on the heavier props thanks the huge torque this motor is capable of producing. It's producing thrust closer to much higher KV motors in terms of output on the top end, but at lower current.  Of course the lower KV impacts the throttle curve, meaning this motor will produce less thrust at lower throttle percent, giving it a larger dynamic range.  This motor especially excells on the heavier 5" and light 6" props.  Overall a very impressive offering from Leopard Hobby.