1750 lbs (794kg)
2450 lbs (1111kg)
2800 lbs (1270kg)
4000 lbs (1814kg)
12 500 feet
15 900 feet
18 900 feet
19 500 feet
1691 lbs (767 kg)
2100 lbs (953 kg)
1620 lbs (735kg)
2303 lbs (1045 kg)
50 lbs
100 lbs
120 lbs
150 lbs
180hp
200hp
230hp
250hp
55 mph
60 mph
65 mph
67 mph
25 " and 2500 RPM
23” and 2450 RPM
21" and 2450 RPM
23" and 2500 RPM
70 mph
80 mph
85 mph
90 mph
79 gallons usable and 2 gallons unusable
79 gallons usable and 1.5 gallons unusable
77 gallons usable and 1.5 gallons unusable
77 gallons usable and 2.0 gallons unusable
If fuel pump is not being operated
If there is less than 1/4 of fuel in the tanks
If there is less than 1/3 of fuel in the tanks
If fuel selector should be selected for either left or right tank
Fuel from each wing taken is drawn by aid of fuel pump to a selector valve. From there it flows through a fuel strainer and carburetor to the engine manifold.
Fuel from each wing taken flows by gravity to a fuel strainer. From there it flows through a selector valve and carburetor to the engine induction system.
Fuel from each wing taken flows by gravity to a selector valve. From there it flows through a fuel strainer and carburetor to the engine manifold.
Fuel from each wing taken flows by gravity to a selector valve. From there it flows through a fuel strainer and carburetor to the engine induction system.
Both tanks
The left tank
The right tank
The fullest tank
14 volt and storage battery is 12 volt
24 volt and storage battery is 22 volt
12 volt and storage battery is 14 volt
24 volt and storage battery is 20 volt
A too weak mixture
Water in the fuel
Worn piston rings
Over priming or flooding
RPM must drop but should not be more than 50 RPM
RPM should not drop more than 50 RPM
RPM must not increase more than 50 RPM
RPM must drop by 50 RPM
10°
20°
30°
40°
+4.4 to -1.52
+4.4 to –1.76
+3.8 to -1.76
+3.8 to -1.52
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