Quad copter designed for flight longevity


The specification of the quad are as follows.

Battery
Load: 10.64 C Voltage: 14.28 V Rated Voltage: 14.80 V Energy: 62.16 Wh Total Capacity: 4200 mAh Used Capacity: 3570 mAh min. Flight Time: 4.8 min Mixed Flight Time: 16.9 min Hover Flight Time: 32.9 min Weight: 452 g   15.9 oz
 Motor @ Optimum Efficiency Current: 4.68 A Voltage: 14.55 V Revolutions*: 4886 rpm electric Power: 68.1 W mech. Power: 59.3 W Efficiency: 87.0 %  Motor @ Maximum Current: 11.18 A Voltage: 14.21 V Revolutions*: 4274 rpm electric Power: 158.9 W mech. Power: 129.1 W Power-Weight: 508.3 W/kg   230.6 W/lb Efficiency: 81.2 % est. Temperature: 43 °C   109 °F  
Wattmeter readings Current: 44.72 A Voltage: 14.28 V Power: 638.6 W
 Motor @ Hover Current: 1.63 A Voltage: 14.71 V Revolutions*: 2027 rpm Throttle (log): 26 % Throttle (linear): 44 % electric Power: 23.9 W mech. Power: 19.4 W Power-Weight: 77.1 W/kg   35 W/lb Efficiency: 81.2 % est. Temperature: 28 °C   82 °F specific Thrust: 13.05 g/W   0.46 oz/W  Total Drive Drive Weight: 1069 g   37.7 oz Thrust-Weight: 3.5 : 1 Current @ Hover: 6.51 A P(in) @ Hover: 96.3 W P(out) @ Hover: 77.8 W Efficiency @ Hover: 80.7 % Current @ max: 44.70 A P(in) @ max: 661.6 W P(out) @ max: 516.2 W Efficiency @ max: 78.0 %  Multicopter All-up Weight: 1250 g   44.1 oz add. Payload: 2541 g   89.6 oz max Tilt: 71 ° max. Speed: 40 km/h   24.8 mph est. rate of climb: 5.0 m/s   984 ft/min Total Disc Area: 58.58 dm² 907.99 in² with Rotor fail:

RCTimer motors 5010 motors 360

17″ Carbon fiber propellers blades.

Carbon fiber frame

Here is the eCalc link to an online calculator that can be used to approximate the build and estimate its flight capabilities.

https://www.ecalc.ch/xcoptercalc.php?ecalc&lang=en&cooling=good&rotornumber=4&config=flat&frame=750&tiltlimit=90&weight=850&calc=bat&elevation=500&airtemp=25&qnh=1013&batteries=lipo_10000mah_-_45/60c&chargestate=0&s=4&p=1&battdisc=0.85&esc=max_20a&motor=rctimer&type=54%7C5010-360&gear=1&propeller=0&pconst=1.13&tconst=0.88&proptwist=0&diameter=17&pitch=5.5&blades=2&project=JC%20quadRCtimer5010

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