Airplane Flight Manual
Van’s Aircraft RV-7A
HB-YMT
2 Limitations – Page 5
Edition 01.11.2017
2.5 Powerplant instrument markings
Powerplant instrument markings and their colour code significance are shown
below:
Indication
Red arc/bar
lower prohibited
range
Yellow arc
caution range
Green arc/bar
Normal operating
range
Yellow arc/bar
caution range
Red arc/bar
upper prohibited
range
Manifold
Pressure
13 - 30 inHG
Engine RPM
500 – 2500 RPM
2500 RPM
Oil Pressure
< 25 psi
25 – 55 psi
56 – 95 psi
96 – 115 psi
> 115 psi
Oil Temp
< 104 °F
104 – 140 °F
140 – 210 °F
210 – 245 °F
> 245 °F
Cyl Head Temp
150 – 250 °F
250 – 400 °F
400 – 500 °F
> 500 °F
EGT
1000 – 1500 °F
Fuel Press
< 5 psi
5 – 9 psi
9 – 35 psi
35 – 45 psi
> 45 psi
Fuel Flow
1 – 18 U.S.gal/h
> 18 U.S.gal/h
2.6 Miscellaneous instrument markings
Indication
Red arc/bar
lower prohibited
range
Yellow arc
caution range
Green arc/bar
Normal operating
range
Yellow arc/bar
caution range
Red arc/bar
upper prohibited
range
Voltage
< 12 VDC
12 – 13 VDC
13 – 15 VDC
15 – 16 VDC
> 16 VDC
2.7 Weight
Maximum Take-off weight: .......... .................................................................................. 816.7 kg
Maximum Aerobatic Weight: ...... .................................................................................. 725.7 kg
Maximum Weight in Baggage Compartment: ................................................................. 45 kg