Custer Channelwing: Dreams
and Schemes
The P-20 Raider
    |
||
| GENERAL | ||
| Wing Span | 75' | |
| Length | 55' | |
| Fuselage Width | 14' 6" | |
| Fuselage Height | 12' 4" | |
| Pressure Cargo Hold | 40' X 12' X 10' | |
| POWER PLANT (Two Options) | ||
| 1. 4 X Rolls Royce/Pratt & Whitney | ||
| RTM 322 (twin coupled) | ||
| Max Power 5,600 ESHP | ||
| Best Consumption: 0.41/lbs/hp/hr | ||
| or | ||
| 2. Two Allison T-56 | ||
| Max Power 5,600 ESHP each | ||
| Best Consumption: 0.56/lbs/hp/hr | ||
| WEIGHTS | ||
| Takeoff Weight (Max) | 71,500 lbs | |
| Empty Weight | 39,200 lbs | |
| Useful Load | 32,300 lbs | |
| Useful load W/internal fuel | 14,300 lbs | |
| Max Fuel (Internal) | 18,000 lbs | |
|
Max Fuel (external) |
10,000 lbs | |
| PERFORMANCE (Allison T-56) | ||
| Service Ceiling | 30,000 ft | |
| Max Speed | 320 kts | |
| Normal Cruise | 300 kts | |
| Minimum Control Speed | 10 kts | |
| Climb Rate @ max power | 2,600 fpm | |
| (RTM 322 will improve performance) | ||
| FIELD PERFORMANCE | ||
| Takeoff over 50' obstacle at | ||
| MTOW 71,500 or less | less than 500 ft | |
| Landing Roll | less than 500 ft | |
| RANGE (Allison T-56) | ||
| W/9,000 lbs cargo, | ||
| no external fuel | 2,596 nm | |
| Ferry Range, no cargo, | ||
| 10,000 lbs external fuel | 5,192 nm | |
| (RTM 322 will improve performance) | ||