Power Settings/Weights/Speeds/Flaps

POWER SETTINGS
Pre-Take off 3400 RPM Check
Rollout 3200 RPM
Climb 3000 RPM up to 3200 RPM
Normal cruise 3000 RPM
Alternate cruise 2800 RPM
economy cruise 2600 RPM @ 22" Fuel Consumption = 13.5 GPH

MAX WEIGHT 5700 Pounds
TAKE-OFF 20° 10° 0° Use +6 Trim
V1 = VR 78 85 - Begin rotate at 60mph
V2 84 92 114
VFRI 108 108 -
VCLIMB - - 124

LANDING 40° 30° 20° 0°
VAPP (1,3 VS) 86 94 103 128


MODEL 520
Price.................No. 1 to 39 $45,000 No. 40 & up $66,000
Years Built...................................... 1951 - 1954
Serial No. Range......................................1 - 150
Total Built...............................................150
Power Plant...............................Lycoming GO-435-C2B
Rating.....................................260hp @ 3400 RPM
Fuel, octane - capacity (Gal)...................91/96 - 145
Fuel Consumption GPH (Econo cruise)....................13.5
Propeller..........................90" 2&3-blade, 84" 3-blade
Weight (lb), empty - gross........................3800 - 5700

Dimensions :
Wing span (Inches) - area (Sq ft)............528.75 - 242.5
Fuselage length - height (Inches).............410.5 - 168.5
Volume, cabin - baggage area (Cubic feet)..........146 - 32
Seats ................................................5 - 7
Performance:
Takeoff over 50' obstacle...............................950
Landing over 50' obstacle...............................860
Service ceiling (feet)...............................24,000
Single-engine ceiling.................................8,700
Maximum range (statute miles).........................1,150
Cruising speed (70% @10,000 ft).........................197
Takeoff - landing speed.............................82 - 77
Best rate-of-climb......................................140