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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 | |
| Address | Sanford, Maine, USA | |
| Model | TSC-1A | |
| Seats | 2 at +71" | |
| Approved Type Certificate No. | A15EA | |
| Approved | 28 August 1968 | |
| Category | 2PCAmM | |
| Applicable Serial Numbers | 1 thru 15 | |
| Fuel Capacity | 24.5 US gal | |
DIMENSIONS |
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Length (Max) |
23 ft 7 in | |
| Height (Max Land) | 9 ft 5 in | |
| Cabin Width (interior) | x ft x in | |
| Cabin Height (interior) | x ft x in | |
| Cabin Length (interior) | x ft x in | |
| Baggage Compartment (volume) | x cu ft | |
| Draft Loaded | x ft x in | |
LANDING GEAR |
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| Main Gear | Spring steel struts | |
| Tread | 8 ft 3 in | |
| Base | x ft x in | |
| Landing Gear Travel | ? in | |
| Main Wheels | 6.00 x 6 | |
| Inflate to | 20 psi | |
| Brakes | x | |
| Tail Wheel | Scott Model 3200, 6.00 x 2.50 | |
| Inflate to | 35 psi | |
WINGS |
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| Airfoil Section | NACA 4415 | |
| Span | 31 ft 11 in | |
| Chord | 5 ft 0 in | |
| Aspect Ratio | 6.50 | |
| Incidence | 4º | |
| Dehedral | 4º | |
| Total Area | 157 sq ft | |
| Aileron Total Area | 10 sq ft | |
EMPENNAGE |
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| Hor. Stabilizer Incidence | -3 º | |
| Tailplane Span | 8 ft 0 in | |
| Tailplane Chord | 42 in | |
| Hor. Stabilizer Airfoil Section | NACA 0010 | |
| Hor. Stabilizer Area | 15.4 sq ft | |
| Elevator Area | 12.6 sq ft | |
| Fin Airfoil Section | NACA 0010 | |
| Fin Area | 10.1 sq ft | |
| Dorsal Fin Area | 1.9 sq ft | |
| Rudder Area | 6.8 sq ft | |
WEIGHTS |
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| Gross - Land | 1900 lbs | |
| Gross - Water | 1900 lbs | |
| Empty | 1340 lbs "T-Boat" (wheels removed) 1220 lbs |
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| Max. Baggage (at +96") | 230 lbs | |
| Max. Wing Loading | 12.10 lbs/sq ft | |
| Max. Power Loading | 12.67 lbs/hp | |
SURFACE MOVEMENTS |
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| Rudder | ± 28° | |
| Ailerons | up +30°, down -20° | |
| Elevators | up +15°, down -20° | |
| Elevator Tab | up +7.5°, down -21° | |
| Rudder Tab | ± 30° | |
| Water Rudder | ± 28° | |
ENGINE |
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| Manufacturer | AVCO Lycoming | |
| Address | Williamsport, PA, USA | |
| Model | O-320-A3B | |
| Approved Type Certificate No. | E-274 | |
| Weight (dry) | 244 lbs | |
| Number of Cylinders | 4 | |
| Rated Power | 150 hp | |
| Rated Speed | 2700 rpm | |
| Overspeed | 3200 rpm | |
| Maximum speed (ground) | 2200 rpm | |
| Reverse Propeller Speed | N/A | |
| Crankshaft Rotation | Clockwise | |
| Propeller Shaft Rotation | Clockwise | |
| Propeller to Crankshaft Ratio | 1:1 | |
| Propeller Shaft Spline Size | SAE 20 | |
| Cylinder Head Temperature | Max. 500° F | |
| Fuel Grade | 80/87 Octane Nonleaded Aviation | |
| Fuel Consumption (Cruise) | 8.4 US gal/hr | |
| Fuel Pressure | Min. 0.5 psi, max. 8 psi | |
| Compression Ratio | 7.00:1 | |
| Piston Displacement | 319.8 cu in | |
| Bore | 5.125 cu in | |
| Stroke | 3.875 cu in | |
| Fuel Pump (Auxiliary) | Bendix # 478630, 12 V | |
| Carburetor | Marvel-Schebler MA-4SPA | |
| Ignition | Magnetos S4LN21, S4LN20 (Bendix/TCM) | |
| Magneto Breaker Point Gap | ? | |
| Distributor Point Gap | ? | |
| Maximum Drop on Magneto or Distributor | ? RPM | |
| Ignition Timing | 25 deg BTC | |
| Firing Order | 1-x-x-x | |
| Spark Plugs | Champion EM42E or eqv. | |
| Spark Plug Gap | .016" to .022" | |
| Valve Clearance | (lifter bled down, cold) .?" | |
| Starter | ? Volt, x | |
| Alternator | 12 Volt x 40 Ampere | |
| Battery | Exide AC-78/M, 37 Ampere hours | |
| 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 | |
| Oil Pressure (Normal) | 60 - 90 psi | |
| Oil Pressure (Idle Min) | 25 psi | |
| Oil Capacity | 8 US qts | |
| Oil Specifications (Above 40º F) | SAE 40 | |
| Oil Specifications (Below 20º F) | SAE 20 | |
| Max Time Between Oil Changes | ? hrs | |
PROPELLER |
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| Model (Standard) | Hartzell HC-C2YL-1B/7663-3 C/S | |
| Blades | 2 x metal | |
| Diameter | 72 in | |
| Pitch | +12º (low) to +27.5º (high) | |
| Governor | Hartzell F-2-6A | |
PERFORMANCE |
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| Max Structural Cruise Speed (Vno) | 92 kts | |
| Design Maneuvering Speed (Va) | 92 kts | |
| Never Exceed Speed (Vne) | 117 kts | |
| Max Gear Extended Speed (Vle) | 117 kts | |
| Max Ldg. Gear Operation (Vlo) | 87 kts | |
| Cruise Speed (Vc) @ 75% pwr | 108 mph | |
| Best Rate of Climb Speed (Vy) | 70 mph | |
| Rate of Climb (Sea Level) | 740 ft/min | |
| Approach Speed (Vref) | 70 mph | |
| Best Power-Off Glide Speed (Vbg) | 75 mph | |
| Stalling Speed (Vs0) | 54 mph | |
| Stalling Speed (Vs1) | ? | |
| Service Ceiling | 12 000 ft | |
| Range at Cruising (24.5 US gal) | 250 miles (45 min reserve) | |
| Take-off Distance - Land | 800 ft | |
| Take-off Distance - Water | 1 300 ft | |
| Landing Run - Land | 550 ft | |
| Landing Run - Water | 750 ft | |
| Home | TSC-1A | TSC-1A1 | TSC-1A2 | TSC-1A3 | ||
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Updated: 2008-09-05 |
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Copyright © 2007-2008 Steinar Saevdal |
