| |
EPP Eagle 6.5x3 |
EPP Eagle 7.5x4 |
| Motor |
Leton 201013 (400T) Eagle |
Leton 201013 (400T) |
| Motor Constant (rpm/V) |
1300 |
1300 |
| No Load Current (A) |
0.6 |
0.6 |
| Armature Resistance (Ohms) |
0.095 |
0.095 |
| |
|
|
| Battery |
Hyperion HP-LVX0800 |
Hyperion HP-LVX0800 |
| Series Cell Count |
3 |
3 |
| Parallel Cell Count |
1 |
1 |
| Cell Capacity (mAh) |
800 |
800 |
| Pack Capacity (mAh) |
800 |
800 |
| Cell Voltage (V) |
3.7 |
3.7 |
| Pack Voltage (V) |
11.1 |
11.1 |
| Cell Resistance (Ohms) |
0.021 |
0.021 |
| Pack Resistance (Ohms) |
0.063 |
0.063 |
| |
|
|
| Speed Control (ESC) |
Castle Creations Phoenix 25 |
Generic Brushless ESC |
| Resistance (Ohms) |
0.0065 |
0.006 |
| Maximum Current (A) |
25 |
0 |
| Number of ESCs |
1 |
1 |
| |
|
|
| Drive System |
Graupner Cam Slim Prop 6.6x3" |
7.5x4 |
| Gear Ratio |
1.00:1 |
1.00:1 |
| Propeller (in x in) |
6.5x3 |
7.5x4 |
| Series Motors |
1 |
1 |
| Parallel Motors |
1 |
1 |
| Number of Propellers |
1 |
1 |
| Blades per Propeller |
2 |
2 |
| |
|
|
| Airframe |
EPP Eagle |
EPP Eagle |
| Wing Span (cm) |
120 |
120 |
| Wing Area (dm²) |
32 |
32 |
| Total Weight (g) |
515 |
506 |
| |
|
|
| Static Predictions |
|
|
| Current (A) |
5.8 |
10.7 |
| Motor Voltage (V) |
10.7 |
10.4 |
| Input Power (W) |
62.1 |
110.9 |
| Input Power Loading (W/kg) |
120.6 |
219.1 |
| Power Loss (W) |
9.6 |
18.6 |
| Motor/Gearbox Output (W) |
52.5 |
92.2 |
| Output Power Loading (W/kg) |
102.0 |
182.2 |
| Motor/Gearbox Efficiency (%) |
84.5 |
83.2 |
| Shaft Efficiency (%) |
81.5 |
77.6 |
| Motor RPM |
13107 |
11870 |
| Propeller RPM |
13107 |
11870 |
| Static Thrust (g) |
331 |
439 |
| Pitch Speed (m/s) |
16.6 |
20.1 |
| Run Time (min:sec) |
8:16 |
4:29 |
| |
|
|
| Flight Predictions |
|
|
| Stall Speed (m/s) |
5 |
5 |
| Optimal Flight Speed (m/s) |
6.8 |
6.7 |
| Throttle for Optimal (%) |
68 |
50 |
| Duration at Optimal (m:s) |
35:49 |
35:58 |
| Motor Temp at Optimal (°C) |
36 |
34 |
| Hands-off Speed (m/s) |
8.4 |
8.3 |
| Throttle for Hands-off (%) |
80 |
58 |
| Duration Hands-off (m:s) |
28:08 |
27:58 |
| Motor Temp Hands-off (°C) |
38 |
35 |
| Best Rate of Climb (m/s) |
2.45 |
4.25 |
| Rate of Sink (m/s) |
-0.78 |
-0.77 |