Investigation of Electromagnetic Losses Considering Current Harmonics in High-Speed Permanent Magnet Synchronous Motor
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Official Black Horse 1980mm P-80 Shooting Star “Saggin’ Dragon” Thread
P-80 Shooting Star “Saggin’ Dragon” Turbine 1980mm (77.9”) Wingspan – Balsa Wood ARF from Black Horse - BHM1028-001
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Great information, paulrhytek! I figured that was probably the problem and have since disposed of the battery. Thanks for your thoughtful answer!
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Low Voltage cut off warning because of the imbalance under load caused by the duff cell as the esc reads total voltage divided by 6 or telemetry has just...Leave a comment:
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I am very puzzled by the use of 370 motor which is much less power and lower torque (and half of the weight) than the 380.
On the HengLong...Leave a comment:
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Its very easy to see unless you are Ray Charles that the 2nd order sub harmonic is fully eliminate and the working 5th (10 pole) and 7th (14...Leave a comment:
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BTW the Lehner 4125 DID indeed make more torque than the powercroco. And if you look back umpteen pages I left those calculations here. Audiosmith's test...Leave a comment:
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Took my venerable Flightline1.6m Corsair out for a few flights this morning before putting it back up in the rafters in the garage for the winter. Great...
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Motion RC just posted this, FURY
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This is also why you use the stall point which is pure DC and the IDLE which is pure AC to find efficiencies. ETA comes from the ratio of DC And!!!!!!...Leave a comment:
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This idea about copper also doesn't answer the question why there are documented machines with high efficiencies with less that 50% fill. The overall...Leave a comment:
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Here are the single layers now look... the dominant losses are Iron. And my single layer performs better than Dr Okon's AKA powercroco.
Here's...Leave a comment:
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The focus on increasing copper fill is mainly because they are trying to reduce I²R losses under load. That improves torque production and efficiency...Leave a comment:
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Read this thread.....Anmerkungen zum Thread: Tuning durch Kupferfüllgrad Optimierung ... | RC-Network.de...Leave a comment:
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BTW the ABC props are Beryllium copper so dont mistake it for brass because dry grinding on them without PPE is very hazardous . You can also age them...Leave a comment:
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These will finish as 6 + 4 YY's. Im just waiting for the bearings and hardened sleeves that tie all 3 bearings I use axially together.
Danke,...Leave a comment:
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Look here https://www.sarikhobbies.com/product/f86-sabre-canopy/ You can ask them if this will fit it says approx 14.5 inch x 3.5 inch so it should be...Leave a comment:
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Four flights today. Flys as good as the 80 and is just about as user friendly with the easy on wings (I keep the wings on the 80 all the time. I needed...
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Christian Lucas, I haven't seen you post in awhile in Germany, so I still hope you are ok. Life is more important than arguments about RC motors. I'm...
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I’m going to set up the horizontal stabilizers as "tailerons" and, much like on the F-14, mix the ailerons with the flaps;...Leave a comment:
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