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The Model TSC-1A was the original
amphibian design with a single 24.5 US gallon hull fuel tank and non-flapped wings.
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GENERAL
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Manufacturer |
Thurston Aircraft Corporation |
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Address |
Sanford, Maine, USA |
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Model |
TSC-1A |
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Seats |
2 at +71" |
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Approved Type Certificate No. |
A15EA |
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Approved |
28 August 1968 |
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Category |
2PCAmM |
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Applicable Serial Numbers |
1 thru 15 |
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Fuel Capacity |
24.5 US gal |
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DIMENSIONS
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Length
(Max) |
23 ft 7 in |
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Height (Max Land) |
9 ft 5 in |
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Cabin Width (interior) |
x ft x in |
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Cabin Height (interior) |
x ft x in |
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Cabin Length (interior) |
x
ft x in |
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Baggage Compartment (volume) |
x cu ft |
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Draft Loaded |
x ft x in |
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LANDING GEAR
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Main Gear |
Spring steel struts |
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Tread |
8 ft 3 in |
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Base |
x ft x in |
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Landing Gear Travel |
? in |
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Main Wheels |
6.00 x 6 |
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Inflate to |
20 psi |
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Brakes |
x |
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Tail Wheel |
Scott Model 3200, 6.00 x 2.50 |
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Inflate to |
35 psi |
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WINGS
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Airfoil Section |
NACA
4415 |
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Span |
31 ft 11 in |
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Chord |
5 ft 0 in |
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Aspect Ratio |
6.50 |
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Incidence |
4º |
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Dihedral |
4º |
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Total Area |
157 sq ft |
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Aileron Total Area |
10 sq ft |
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EMPENNAGE
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Hor. Stabilizer Incidence |
-3 º |
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Tailplane Span |
8 ft 0 in |
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Tailplane Chord |
42 in |
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Hor. Stabilizer
Airfoil Section |
NACA
0010 |
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Hor. Stabilizer Area |
15.4 sq ft |
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Elevator Area |
12.6 sq ft |
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Fin Airfoil
Section |
NACA
0010 |
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Fin Area |
10.1 sq ft |
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Dorsal Fin Area |
1.9 sq ft |
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Rudder Area |
6.8 sq ft |
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WEIGHTS
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Gross - Land |
1900
lbs |
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Gross - Water |
1900 lbs |
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Empty |
1340 lbs
"T-Boat" (wheels removed) 1220 lbs |
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Max. Baggage (at +96") |
230 lbs |
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Max. Wing Loading |
12.10 lbs/sq ft |
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Max. Power Loading |
12.67 lbs/hp |
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SURFACE MOVEMENTS
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Rudder |
±
28° |
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Ailerons |
up
+30°, down -20° |
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Elevators |
up +15°, down -20° |
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Elevator Tab |
up
+7.5°, down -21° |
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Rudder Tab |
± 30° |
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Water Rudder |
±
28° |
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ENGINE
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Manufacturer |
AVCO Lycoming |
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Address |
Williamsport, PA, USA |
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Model |
O-320-A3B |
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Approved Type Certificate No. |
E-274 |
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Weight (dry) |
244 lbs |
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Number of Cylinders |
4 |
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Rated Power |
150 hp |
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Rated Speed |
2700 rpm |
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Overspeed |
3200 rpm |
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Maximum speed (ground) |
2200 rpm |
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Reverse Propeller Speed |
N/A |
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Crankshaft Rotation |
Clockwise |
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Propeller Shaft Rotation |
Clockwise |
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Propeller to Crankshaft Ratio |
1:1 |
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Propeller Shaft Spline Size |
SAE 20 |
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Cylinder Head Temperature |
Max. 500° F |
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Fuel Grade |
80/87 Octane Nonleaded Aviation |
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Fuel Consumption (Cruise) |
8.4 US gal/hr |
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Fuel Pressure |
Min. 0.5 psi, max. 8 psi |
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Compression Ratio |
7.00:1 |
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Piston Displacement |
319.8 cu in |
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Bore |
5.125 cu in |
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Stroke |
3.875 cu in |
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Fuel Pump (Auxiliary) |
Bendix # 478630, 12
V |
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Carburetor |
Marvel-Schebler
MA-4SPA |
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Ignition |
Magnetos S4LN21,
S4LN20 (Bendix/TCM) |
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Magneto Breaker Point Gap |
? |
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Distributor Point Gap |
? |
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Maximum Drop on Magneto or Distributor |
? RPM |
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Ignition Timing |
25 deg BTC |
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Firing Order |
1-x-x-x |
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Spark Plugs |
Champion EM42E or
eqv. |
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Spark Plug Gap |
.016"
to .022" |
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Valve Clearance |
(lifter
bled down, cold) .?" |
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Starter |
? Volt, x |
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Alternator |
12 Volt x 40 Ampere |
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Battery |
Exide AC-78/M, 37
Ampere hours |
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Oil Temp (Max) |
245° F (above 60° F ambient
air)
210° F (below 10° F ambient air)
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Oil Temp (Normal) |
100 - 180° F (ground)
160 - 180° F (in flight) |
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Oil Pressure (Start/Warmup) |
max. 100 psi |
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Oil Pressure (Normal) |
60 - 90 psi |
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Oil Pressure (Idle Min) |
25 psi |
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Oil Capacity |
8 US qts |
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Oil Specifications (Above 40º F) |
SAE 40 |
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Oil Specifications (Below 20º F) |
SAE 20 |
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Max Time Between Oil Changes |
? hrs |
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PROPELLER
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Model (Standard) |
Hartzell HC-C2YL-1B/7663-3 C/S |
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Blades |
2 x metal |
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Diameter |
72 in |
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Pitch |
+12º (low) to +27.5º (high) |
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Governor |
Hartzell
F-2-6A |
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PERFORMANCE
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Max Structural Cruise Speed (Vno) |
92 kts |
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Design Maneuvering Speed (Va) |
92 kts |
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Never Exceed Speed (Vne) |
117 kts |
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Max Gear Extended Speed (Vle) |
117 kts |
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Max Ldg. Gear Operation (Vlo) |
87 kts |
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Cruise Speed (Vc) @ 75% pwr |
108
mph |
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Best Rate of Climb Speed (Vy) |
70 mph |
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Rate of Climb (Sea Level) |
740 ft/min |
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Approach Speed (Vref) |
70 mph |
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Best Power-Off Glide Speed (Vbg) |
75 mph |
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Stalling Speed (Vs0) |
54
mph |
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Stalling Speed (Vs1) |
? |
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Service Ceiling |
12 000 ft |
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Range at Cruising (24.5 US gal) |
250 miles
(45 min reserve) |
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Take-off Distance - Land |
800 ft |
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Take-off Distance - Water |
1
300 ft |
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Landing Run - Land |
550
ft |
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Landing Run - Water |
750
ft |
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