Acrosport i
The Acro Sport is a single-seat aerobatic sportsplane designed by US aviation legend Paul Poberezny in the early 1970s.
The design is a short-span biplane of conventional taildragger configuration, typically built with an open cockpit and spatted main undercarriage. Its structure is an aluminum / fabric-covered, steel tube fuselage and tail group, with a wood wing structure.
Specifications
Overall
Gross weight 1350 lbs
Empty weight 929 lbs
Baggage 35 lbs
Rate of Climb 2000 fpm
Take off 350 ft
Landing 800 ft
Ceiling 15,000 ft
Range 350 miles
Power loading 7.5 lbs/hp
Wing loading 11.6 lbs/sq ft
Wings
Wing Area 116 sq ft
Upper Wing span 19’ 7”
Lower Wing span 19’ 1”
Chord 36”
Aspect ratio 6.6
Dihedral 2° lower wings 0° upper wings
Incidence 1.5° upper and lower wings
Airfoil, NACA M-6 (Munk)
Ailerons
Percent of wing span 36%
Average relative chord 30%
Movement 25° up, 25° down
Area (each) 3.5 sq ft
Fuselage
Overall length 17’6”
Height 6’
Interior width (cockpit) 24”
Horizontal tail surfaces
Span 7’ 4”
Total area 23.44 sq ft
Aspect ratio 4.9
Fixed surface 14.44 sq ft
Movable surface 9 sq ft
Movement 30° up, 30° down
Vertical tail surfaces
Height 7’ 2”
Total area 13.12 sq ft
Movable surface 5.81 sq ft
Movement 32° left, 32° right
Landing gear, main
Width 6’ 5” Spring (no bungies!)
Tire size 5.00x5
Tire pressure 27-28 psi
Landing gear, tail
Tire size 6.5x2.5
Solid Tire
Engine
Lycoming 0320-E2A
Nominal power 150 /175 hp @ 2,700 RPM
Cruising 2450 RPM, 75% power @ 10.0 Gal / Hr
Cruising 2350 RPM, 65% power @ 8.8 Gal / Hr
Propeller
Sensenich propeller model 74DM6-0-60
Pitch 60°
Diameter: 74”
Spinner
ACS BN-3 Aluminum
Harness
Hooker 7 point aerobatic with ratchet
Fuel capacity
20 U.S. gallons
19 gallons usable
Grade of fuel
100LL aviation gasoline
Oil capacity
8 qts.
Oil system
Christen 801 Inverted Oil
Instrumentation
Magnetic compass
Airspeed indicator
Altimeter
G-Meter
Rate of climb
Tachometer
Exhaust gas temperature
Oil temperature gauge
Oil pressure gauge
Low oil pressure monitor, with indicator light (red)
Normal oil pressure monitor, with indicator light (green)
Fuel gauge
Voltmeter/Ammeter
Low / Hi voltage monitor, with indicator light (red)
Electrical Equipment
Master switch
Alternator switch
Ignition switch with key (combination ignition and starter switch)
Alternator, B&C SD8 8 amps
Battery Odessy, Gel-Cell, 12V - 18 amp/hr
Ammeter shunt, 40 amp, 100 MV
Voltage regulator, solid state with high voltage shut-off
Starter relay, with coil suppression diode
Starter, 12 volt, direct drive light weight
Circuit breaker (20 amp) master breaker
Auxiliary fuel pump
Exhaust gas temperature sender
Oil pressure transducer
Oil temperature sender
Fuel quantity sender
Avionics
VHF/COM Terra TX 760 D
Transponder Terra TRT 250 D
Altitude encoder
COM antenna
Transponder antenna
Audio System Components
Microphone push-to-talk switch
Microphone jack
Headphone jack
Controls
Control stick
Rudder pedals
Elevator trim (dual Servo tabs)
Differential brake pedals
Throttle control lever
Mixture control lever
Fuel primer
Carburetor heat
