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1969 Piper Twin Comanche N8670Y
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| Base/used Price: | $110,000 | |
| Engine make/model: | Lycoming IO-320-B1A | |
| Horsepower@rpm: | 160@2700 | |
| Horsepower for takeoff: | 160 | |
| TBO hrs.: | 2000 | |
| Fuel type: | 100/100LL | |
| Propeller type/diameter: | CS | |
| Landing gear type: | Tri/Retr. | |
| Max ramp weight (lbs.): | 3600 | |
| Gross weight (lbs.): | 3600 | |
| Landing weight (lbs.): | 3600 | |
| Empty weight, std. (lbs.): | 2210 | |
| Useful load, std. (lbs.): | 1390 | |
| Payload, full std. fuel (lbs.): | 850 | |
| Usable fuel (gals.): | 90 | |
| Optional fuel – std. (tip tanks) (gals.): | 120 | |
| Oil capacity (qts.): | 8 | |
| Wingspan: | 36 ft. | |
| Overall length: | 25 ft. 2 in. | |
| Height: | 8 ft. 3 in. | |
| Wing area (sq. ft.): | 178 | |
| Wing loading (lbs./sq. ft.): | 20.2 | |
| Power loading (lbs./hp.): | 11.3 | |
| Wheel base (in.): | 7 ft. 3 in. | |
| Wheel track (in.): | 9 ft. 10 in. | |
| Wheel size (in.): | 6.00 x 6 | |
| Seating capacity: | 4-6 | |
| Cabin doors: | 1 | |
| Cabin width (in.): | 44 | |
| Cabin height (in.): | 46 | |
| Baggage capacity (lbs.): | 250 | |
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PERFORMANCE
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| Cruise speed (kts.): | ||
| 75% power @ 8,000 ft.: | 169 | |
| 65% power @ 12,000 ft.: | 162 | |
| 55% power @ 10,000 ft.: | 144 | |
| Max range (w/100 nm reserve) (nm): | ||
| 75% power: | 724 | |
| 65% power: | 791 | |
| 55% power: | 832* | |
| Fuel consumption (@ .42 lbs./hp/hr. sfc) (gph): | ||
| 75% power: | 16.8 | |
| 65% power: | 14.6 | |
| 55% power: | 12.3 | |
| Estimated endurance (65%, 90 gals.) (hrs): | 5.0 | |
| Vs (kts.): | 66 | |
| Vso (kts.): | 60 | |
| Best rate of climb (SL fpm): | 1460 | |
| Single-engine rate of climb, SL (fpm): | 260 | |
| Service ceiling (ft.): | 18,600 | |
| Single-engine service ceiling (ft.): | 6600 | |
| Takeoff ground roll (ft.): | 950 | |
| Takeoff over 50-ft. obstacle (ft.): | 1570 | |
| Landing ground roll (ft.): | 700 | |
| Landing over 50-ft. obstacle (ft.): | 1875 | |
| * estimated | ||
