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HGLRC Forward FD2408 2500kv
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A monster sized motor from HGLRC

Check out the full list of motors in this series here

Summary

Published: Jul 15, 2019 by quadmcfly

HGLRC Forward FD2408 2500kv

Tested KV:2480kv
Weight:38.4g
Stator W:24mm
Stator H:8mm
The last few offerings on the bench from HGLRC have all exceeded expectations, and this new offering looks like it will not be an exception to that pattern.  As with the other motors in HGLRC's lineup, the build quality is top notch, with all the usual bells and whistles (read our previous thoughts for more details). The primary thing that sets this motor apart is the absolutely massive stator size.  At 2408, it is competing in the same territory as the massive F80 motors from T-motor.  Obviously the stator size comes at a weight cost, bringing this motor to just over 38 grams. That puts it just about a gram heaver than the F80 Pro, but still a good bit lighter than the original F80.  Overall this motor is beautifully put together, and a reasonable weight for the stator size.  That weight and the stator size itself narrows the application a bit for multirotors, but also may make this a compelling option for certain fixed wing applications.

Results

The performance of this motor follows in the trend of the previous HGLRC offerings, easily climbing to the top of the thrust charts.  Even with a relatively low Kv (coming in right at 2480kv as tested) this thing delivers a massive gut punch of thrust.  The stator size delivers but the thrust comes at a cost, easily reaching 50A on the heavier loaded 5" tri-blades.  I stopped running props above 50A current and ended up in the same prop range as what would normally be considered a High KV limit, which speaks to the torque this motor is capable of producing. Response curves are extremely rapid. Performance wise this motor just outmatches the F80 Pro, pulling both faster curves and slightly higher thrust, though it comes at a slight efficiency hit. Excellent work here from HGLRC even though the weight and current requirements narrow the pool of potential use cases.