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Lightning Dart .pdf


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General

  Motor Cooling:

  # of Motors:
  Model Weight:
1
2200  g   
(on same Battery)
77.6  oz

Battery Cell   Type (Cont. / max. C) ­ charge state:
 ­ 

  Configuration:
4  S     1  P

  Cell Capacity:
5000  mAh

Controller

  Current:
100  A cont.

  Resistance:
0.01  Ohm

  Wing Area:
80
 dm²

  Field Elevation   Air Temperature
500  m ASL
25
 °C

1240  in²

1640  ft ASL

  max. discharge:   Resistance:
0.0034 Ohm

  Voltage:
3.7  V

77

45
  Weight:
18
 g

120  A max
Motor

  Manufacturer ­ Type (Kv):
 
 

Propeller

0.6

  KV (w/o torque):
1390  rpm/V

  Wire extension battery:   Length:
0
 mm

 oz

0

  no­load Current:   Limit (up to 15s):   Resistance:
3.45  A @  10 V
1890  
0.007  Ohm

29.91  inHg
  Weight:
126  g

 C max

4.4

  Wire extension motor:

 inch

  Case Length:
46
 mm

  Diameter:
10
 inch 

 ­ 

  Pitch:
6
 inch 

254  mm

30

10

C

min

5

60

  # Blades:
2

  PConst / TConst:
1.07  /  0.99

  Gear Ratio:
1
 : 1

 oz

  Length:
0
 mm
0

  # mag. Poles:
8

 inch

  Weight:
285  g

1.81  inch

  Type ­ yoke twist:

0

 °F

  C­Rate:
30
 C cont.

5000  mAh total
  Type:

  Pressure (QNH):
1013  hPa

10.1  oz
  Flight Speed:
100  km/h

152.4  mm

   

62.1  mph

1500

0

40

W

15

20

0

3000

°C

0

80

1

120

0

: 1

2

50

3

0

100

km/h

150

20.41

6.6

1,355.4

79

2.05

154

Load:

Mixed Flight Time:

electric Power:

est. Temperature:

Thrust­Weight:

Pitch Speed:

Remarks:  
Battery
Load:

20.41 C

Motor @ Optimum Efficiency
Current:
84.88 A

Motor @ Maximum
Current:

Voltage:

14.30 V

Voltage:

13.68 V

Voltage:

13.28 V

 

Rated Voltage:

14.80 V

Revolutions*:

17529 rpm

Revolutions*:

16796 rpm

Revolutions*:

74 Wh

electric Power:

1161.6 W

electric Power:

1355.4 W

Stall Thrust:

Total Capacity:

5000 mAh

mech. Power:

1049.1 W

mech. Power:

1221.2 W

Used Capacity:

4250 mAh

Efficiency:

min. Flight Time:

2.5 min

Mixed Flight Time:

6.6 min

Energy:

 

90.3 %

 

Efficiency:
est. Temperature:
 

Propeller
Static Thrust:

102.07 A

90.1 %
79 °C
174 °F

 

Total Drive
Drive Weight:

888 g

Airplane
All­up Weight:

2200 g

 

31.3 oz

 

77.6 oz

Power­Weight:

728 W/kg

Wing Load:

28 g/dm²

2884 g

 

331 W/lb

 

9.2 oz/ft²

 

101.7 oz

Thrust­Weight:

2.05 : 1

Cubic Wing Load:

3.1

Thrust @ 100 km/h:

1574 g

P(in) @ max:

1601.3 W

est. Stall Speed:

25 km/h

Thrust @ 62.1 mph:

55.5 oz

P(out) @ max:

1221.2 W

Pitch Speed:

154 km/h

4509 g
159 oz
16796 rpm

Efficiency @ max:

76.3 %

 

 

16 mph

est. Speed (level):

135 km/h

Weight:

504 g

 

 

84 mph

 

17.8 oz

Tip Speed:

804 km/h

est. Speed (vertical):

73 km/h

 

499 mph

 

specific Thrust:

3.33 g/W

est. rate of climb:

20.3 m/s

 

0.12 oz/W

 

3998 ft/min

  http://

  http://www.eCalc.ch...

96 mph

 

45 mph

 

 

Motor Partial Load
Propeller
rpm

Throttle
%

Current (DC)
A

Volage (DC)
V

el. Power
W

Efficiency
%

2400

12

0.5

3600

18

1.3

15.7

8.3

43.0

15.7

19.3

62.1

4800

24

2.5

15.7

38.8

73.4

6000
7200

30

4.6

15.6

69.4

37

7.6

15.6

114.2

8400

43

11.8

15.5

9600

50

17.5

10800

57

12000

65

13200
14400

Thrust
g

Spec. Thrust
g/W

Pitch Speed
km/h

Thrust
oz

Spec. Thrust
oz/W

Pitch Speed
mph

Flight Time
(85%) min

92

11.1

22

3.2

0.39

14

471.1

207

10.7

33

7.3

0.38

20

201.3

368

9.5

44

13.0

0.34

27

100.1

80.1

575

8.3

55

20.3

0.29

34

55.6

84.1

829

7.3

66

29.2

0.26

41

33.5

176.2

86.6

1128

6.4

77

39.8

0.23

48

21.6

15.4

258.4

88.1

1473

5.7

88

52.0

0.20

55

14.6

24.9

15.3

363.8

89.1

1864

5.1

99

65.8

0.18

61

10.2

34.4

15.2

495.7

89.7

2302

4.6

110

81.2

0.16

68

7.4

73

46.3

15.1

657.1

90.1

2785

4.2

121

98.2

0.15

75

5.5

81

61.1

14.9

851.4

90.3

3314

3.9

132

116.9

0.14

82

4.2

15600

90

79.4

14.6

1081.7

90.3

3890

3.6

143

137.2

0.13

89

3.2

16796

100

102.1

14.3

1355.4

90.1

4509

3.3

154

159.0

0.12

95

2.5

Motor Characteristic at Full Throttle
 el. Power [in 10W]

200

 Efficiency [%]
 max. Revolutions [in 100rpm]
 waste Power [W]
 Motor Case Temp. [°C]
    Motor Case Temp. overlimit [°C]
150

100

50

0

(c) by s4a  V2.03

0

10

20

30

40

50

60

 
Ampere

70

80

90

100

110

120

Important Note:
Before flight recheck your max. current! If your Current, el. Power or RPM are over the manufacturers
limits your motor, controller and/or battery may take damage! Verify before flight by measurment!

for printing use Landscape format
* The manufacturer limitation is NOT monitored
** Testdata with reduced accuracy

(c) copyright by and intellectual property of Markus Mueller, Solution for All, www.s4a.ch, info[at]ecalc.ch
See HTML Source for full and complete copyright notice.
Version: P6.70, 07.04.16 / Data: 23.05.16 with 6503 Motors
translated to english by Markus Mueller

 
*** *** ***


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