Model TSC-1A Teal Specifications

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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.

 

GENERAL

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

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

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

Airfoil Section  NACA 4415
Span 31 ft 11 in
Chord 5 ft 0 in
Aspect Ratio 6.50
Incidence 4
Dihedral 4
Total Area 157 sq ft
Aileron Total Area 10 sq ft

EMPENNAGE

Hor. Stabilizer Incidence -3
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

Gross - Land  1900 lbs
Gross - Water 1900 lbs
Empty 1340 lbs
"T-Boat" (wheels removed) 1220 lbs
Max. Baggage (at +96") 230 lbs
Max. Wing Loading 12.10 lbs/sq ft
Max. Power Loading 12.67 lbs/hp

SURFACE MOVEMENTS

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

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)
Oil Temp (Normal) 100 - 180 F (ground)
160 - 180 F (in flight)
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 40 F) SAE 40
Oil Specifications (Below 20 F) SAE 20
Max Time Between Oil Changes   ? hrs

PROPELLER

Model (Standard) Hartzell HC-C2YL-1B/7663-3 C/S
Blades 2 x metal
Diameter 72 in
Pitch +12 (low) to +27.5 (high)
Governor Hartzell F-2-6A

PERFORMANCE

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
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Updated: 2017-01-01

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