Cosmik Aviation EV-97 teamEUROSTAR UK, Pilot Operating Handbook

Page: 32 / 42

5.8 Horizontal Speeds
The following tables give indicated airspeeds (IAS) and corresponding True Air Speeds
(TAS) versus altitude, for various engine speeds.
4000 rpm 4200 rpm 4500 rpm 4800 rpm 5000 rpm 5200 rpm 5500 rpm 5750 rpm
8000 ft
ISA
68 mph IAS 73 mph IAS 80 mph IAS 87 mph IAS 92 mph IAS 96 mph IAS 103 mph IAS 109 mph IAS
68 mph CAS 72 mph CAS 79 mph CAS 85 mph CAS 90 mph CAS 94 mph CAS 100 mph CAS 105 mph CAS
77 mph TAS 82 mph TAS 89 mph TAS 96 mph TAS 101 mph TAS 106 mph TAS 113 mph TAS 119 mph TAS
6000 ft
ISA
71 mph IAS 76 mph IAS 83 mph IAS 91 mph IAS 96 mph IAS 101 mph IAS 109 mph IAS 115 mph IAS
71 mph CAS 75 mph CAS 82 mph CAS 89 mph CAS 94 mph CAS 98 mph CAS 105 mph CAS 111mph CAS
77 mph TAS 82 mph TAS 90 mph TAS 97 mph TAS 102 mph TAS 107 mph TAS 115 mph TAS 121 mph TAS
4000 ft
ISA
74 mph IAS 79 mph IAS 87 mph IAS 95 mph IAS 100 mph IAS 106 mph IAS 114 mph IAS 120 mph IAS
73 mph CAS 78 mph CAS 85 mph CAS 93 mph CAS 97 mph CAS 102 mph CAS 110 mph CAS 116 mph CAS
78 mph TAS 83 mph TAS 91 mph TAS 98 mph TAS 103 mph TAS 109 mph TAS 116 mph TAS 123 mph TAS
2000 ft
ISA
77 mph IAS 82 mph IAS 91 mph IAS 99 mph IAS 105 mph IAS 110 mph IAS 119 mph IAS 126 mph IAS
76 mph CAS 81 mph CAS 89 mph CAS 96 mph CAS 101 mph CAS 106 mph CAS 114 mph CAS 121 mph CAS
78 mph TAS 83 mph TAS 91 mph TAS 99 mph TAS 104 mph TAS 110 mph TAS 118 mph TAS 124 mph TAS
0 ft
ISA
80 mph IAS 85 mph IAS 94 mph IAS 103 mph IAS 109 mph IAS 115 mph IAS 124 mph IAS 132 mph IAS
79 mph CAS 84 mph CAS 92 mph CAS 100 mph CAS 105 mph CAS 111 mph CAS 119 mph CAS 126 mph CAS
79 mph TAS 84 mph TAS 92 mph TAS 100 mph TAS 105 mph TAS 111 mph TAS 119 mph TAS 126 mph TAS
5.9 Endurance
The following table give fuel consumptions, endurances and ranges for specific
engine speeds.
Fuel tank capacity 65 litres 14.3 Imp. gals.
Fuel reserve * 11 litres 2.4 Imp. gals.
* Reserve is indicated by a yellow warning lamp on the dash.
At 2000 ft altitude ISA conditions:
Engine speed rpm 4200 4500 4800 5000 5200 5500
Fuel consumption l/hr 9 11 13 14 15 18
Imp. gal/hr 2.0 2.4 2.9 3.1 3.3 4.0
IAS mph 82 91 99 105 110 119
CAS mph 81 89 96 101 106 114
Total endurance hours 7.2 5.9 5.0 4.6 4.3 3.6
Total range stat. miles 580 520 480 470 460 410
naut. miles 510 450 420 410 400 360
Reserve endurance hours 1.2 1.0 0.8 0.8 0.7 0.6
Reserve range miles 100 90 80 80 80 70
POH/EUR/01 Issue 2 Page 32 of 42