KDE Direct
KDE Direct, LLC.
Hey Everyone,
Development of the thrust and efficiency data for our KDE Direct UAS Brushless Motor, Electronic Speed Controller (ESC), and Propeller Blade combinations is a critical design aspect of our Research and Development, and we make sure to post this for each motor edition on our website for performance reference: https://www.kdedirect.com/collections/xf-multi-rotor-brushless-motors.
We receive various e-mails about how our data is obtained, so we felt it's best to show you our latest custom-dynamometer and the critical features installed for accuracy. We recently completed our new Dyno V2 installation, with laboratory-grade equipment and custom-CNC machined components, so that we can provide the most accurate data possible to match real-life flight conditions. The entire system was qualified and calibrated at a local laboratory, and then put into use at our new HQ facility. Real-life flight conditions vary greatly, depending on setup and environmental affects (humidity, altitude, temperature, etc.), so the data provided is the conditions as collected our KDE Direct HQ location.
All the data is collected on a propeller-test stand, custom built to our needs. The components are:
Power Supply: TDK Lambda AC/DC Power Supply GEN 60-85 (5100W/60V/85A output capability)
Force Gauge: MARK-10 Advanced Digital Force Gauge Series 4 (25kg maximum, 10g incremental accuracy)
Linear Roller Slide: Del-Tron RS2-2
Electronic Speed Controller: KDE Direct UAS Electronic Speed Controller Series
Transmitter and Receiver: Futaba 18MZ, R6202SBW
PWM (PPM) Signal Generator: Hitec HFP-25 Digital Servo Programmer
Environment Conditions: 72°F (22°C), 35% Humidity, 3730 ft (1137 m) Elevation Altitude
Thermocouple Data Logger: OMEGA OM-CP-QUADTEMP2000
· http://www.omega.com/pptst/OM-CP-QUADTEMP-A.html
Sound Lever Meter and Data Logger: OMEGA HHSL402SD
· http://www.omega.com/pptst/HHSL402SD.html
Oscilloscopes: Tektronix TBS1102B and TBS1052B
· http://www.tek.com/oscilloscope/tbs1000b-digital-storage-oscilloscope
Resistance Meter (mΩ): Hioki RM3544
· https://www.hioki.com/en/products/detail/?product_key=5765
The fixture was designed and built at our KDE Direct CNC facility in Washington, USA. The system is capable of testing all motors, from the KDE1806XF series on 7.4V up to the KDE8218XF-120 at 60V, so full capability and high-accuracy for UAS development. We not only test the KDE Direct products, but also our competitors, to make sure we are always leading the market in the latest technology and performance capabilities. Our goal is to provide the best data possible and there's always ways to argue data or the methods for collection, but here's our system and any deviations from this will provide variable results, depending on the accuracy of your own system and environmental effects.
For historical reference, the previous edition of our Dyno (V1) can be seen in this thread posted from 2014: http://www.dronevibes.com/forums/threads/kde-direct-dynamometer-development.22210/.
Development of the thrust and efficiency data for our KDE Direct UAS Brushless Motor, Electronic Speed Controller (ESC), and Propeller Blade combinations is a critical design aspect of our Research and Development, and we make sure to post this for each motor edition on our website for performance reference: https://www.kdedirect.com/collections/xf-multi-rotor-brushless-motors.
We receive various e-mails about how our data is obtained, so we felt it's best to show you our latest custom-dynamometer and the critical features installed for accuracy. We recently completed our new Dyno V2 installation, with laboratory-grade equipment and custom-CNC machined components, so that we can provide the most accurate data possible to match real-life flight conditions. The entire system was qualified and calibrated at a local laboratory, and then put into use at our new HQ facility. Real-life flight conditions vary greatly, depending on setup and environmental affects (humidity, altitude, temperature, etc.), so the data provided is the conditions as collected our KDE Direct HQ location.
All the data is collected on a propeller-test stand, custom built to our needs. The components are:
Power Supply: TDK Lambda AC/DC Power Supply GEN 60-85 (5100W/60V/85A output capability)
Force Gauge: MARK-10 Advanced Digital Force Gauge Series 4 (25kg maximum, 10g incremental accuracy)
Linear Roller Slide: Del-Tron RS2-2
Electronic Speed Controller: KDE Direct UAS Electronic Speed Controller Series
Transmitter and Receiver: Futaba 18MZ, R6202SBW
PWM (PPM) Signal Generator: Hitec HFP-25 Digital Servo Programmer
Environment Conditions: 72°F (22°C), 35% Humidity, 3730 ft (1137 m) Elevation Altitude
Thermocouple Data Logger: OMEGA OM-CP-QUADTEMP2000
· http://www.omega.com/pptst/OM-CP-QUADTEMP-A.html
Sound Lever Meter and Data Logger: OMEGA HHSL402SD
· http://www.omega.com/pptst/HHSL402SD.html
Oscilloscopes: Tektronix TBS1102B and TBS1052B
· http://www.tek.com/oscilloscope/tbs1000b-digital-storage-oscilloscope
Resistance Meter (mΩ): Hioki RM3544
· https://www.hioki.com/en/products/detail/?product_key=5765
The fixture was designed and built at our KDE Direct CNC facility in Washington, USA. The system is capable of testing all motors, from the KDE1806XF series on 7.4V up to the KDE8218XF-120 at 60V, so full capability and high-accuracy for UAS development. We not only test the KDE Direct products, but also our competitors, to make sure we are always leading the market in the latest technology and performance capabilities. Our goal is to provide the best data possible and there's always ways to argue data or the methods for collection, but here's our system and any deviations from this will provide variable results, depending on the accuracy of your own system and environmental effects.
For historical reference, the previous edition of our Dyno (V1) can be seen in this thread posted from 2014: http://www.dronevibes.com/forums/threads/kde-direct-dynamometer-development.22210/.
