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Do you want the ultimate in quality, performance, and fuel consumption?
Our conversion will allow your airplane to haul more, take-off shorter, climb faster, cruise farther, and burn less fuel. Knowing that this aircraft is flown in some of the harshest environments in the world, we have selected an engine and propeller combination with a well-proven history. The four-blade prop coupled with slower turning engine equates to great static thrust for takeoff and higher horsepower for improved climb.
The conversion uses a flat-rated 900 hp Garrett engine. Flat-rating an engine lengthens the life while holding rated power at higher altitudes and higher temperatures. Also, Garrett engines are direct drive engines allowing for instantaneous power response with no spool-up time. Our conversion allows for 40% increase in static thrust over previous conversions. |
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Super Otter Specifications vs. The Competition |
| Specification |
Standard Otter |
Vazar Turbine Otter* |
TTC
Super Otter |
| Engine |
P&W R1340 |
PT6A-135 |
TPE331-10/-12JR |
| Horsepower |
600 hp |
<750 shp |
900 shp flat-rated |
| Torque |
2101 ft-lbs |
1876 ft-lbs |
2971 ft-lbs |
| TBO |
1000 hrs |
3500 hrs. |
7000 hrs |
| Useful Load (wheels) |
3400 lbs |
3800 lbs |
3800 lbs |
| Useful Load (floats) |
3000 lbs |
3767 lbs |
3767 lbs |
| Std. empty weight (wheels) |
4600 lbs |
4200 lbs |
4200 lbs |
| Std. empty weight (floats) |
5000 lbs |
4600 lbs |
4600 lbs |
| Max gross weight (floats) |
8000-8367 lbs |
8000-8367 lbs |
8000-8367 lbs |
| Max landing weight (floats) |
8000 lbs |
8000 lbs |
8000 lbs |
| Climb (ISA- g.w. wheels) |
850 ft/min |
1200 ft/min |
1700 ft/min |
| Climb (ISA- g.w. floats) |
450 ft/min |
1100 ft/min |
1600 ft/min |
| Cruise (10,000 ft. wheels) |
105 kts |
144 kts |
155 kts (airframe limited) |
| Cruise (10,000 ft. floats) |
100 kts |
130 kts |
145 kts(airframe limited) |
| Cruise fuel flow |
244 lbs/hr |
338 lbs/hr |
315 lbs/hr |
| Takeoff (wheels) |
630 ft |
560 ft |
490 ft |
| Takeoff (floats) |
18-20 sec |
15-18 sec |
8-10 sec |
| Landing (wheels) |
440 ft |
310 ft |
290 ft> |
| Landing (floats) |
500 ft |
400 ft |
300 ft |
| Powerloading |
13.3 lbs/hp |
10.66 lbs/shp |
8.89 lbs/shp |
| Stall Speed- clean |
63 kts |
63 kts |
70 kts |
| Stall Speed- flaps |
50 kts |
50 kts |
49 kts |
| Cargo area |
480 cu ft |
480 cu ft |
480 cu ft |
| Range (cruise- standard fuel) |
5.36 hrs |
4.32 hrs |
4.64 hrs |
| * The performance and weight specifications for the Vazar turbine Otter are the best that we can determine from all the literature that we had at the time. We also called operators of the Vazar Otter to get accurate weight and performance numbers in the field . |
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| Sea Level - Standard day |
| Power output |
1000 shp Takeoff
970 shp Continuous |
| Flat Rating |
900 shp up to 35° C |
| SFC |
0.553 |
| ESFC |
0.523 |
| RPM |
gas gen 41,730
shaft output 1,591 |
| Rotation |
ccw from rear |
| Weight |
415 lbs |
| PWR/WT ratio |
2.17 |
| Pressure Ratio |
10.2 |
| Airflow |
8.11 lb/sec |
| Fuel |
Jet A, Jet B, Jet A-1, JP-4, JP-5, JP-8 |
| Oil |
Mil-L-23699, Type III
Mil-L-7808, Type II |
| Electrical |
24 vdc, 16.2 amp |
| Start capability |
SL-20,000 ft
-40F +130F |
| Operational limits |
SL-35,000ft |
| Compressor bleed |
10% (max) |
The kit includes the following components:
- New Hartzell 110” four-blade, reversible, full-feathering propeller
- New engine mount
- New starter/generator
- New Electronics International digital engine instruments
- New engine cowlings
- New Gill dual, independent 43 amp/hr. lead-acid batteries
- New oil cooler
- New electronic generator control unit
- New turbine electrical system, circuit breaker panel, and breakers
- New stainless steel enclosures for batteries and electrical relays
- New bleed-air ejector vacuum system
- New bleed-air heater system
- New hardware and misc. components
The kit does not include paint or long-range fuel.
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