The Mark 4 is the latest of Hood Tech Mechanical's launch systems, developed to accommodate the need for multiple aircraft types. As with Superwedge HP, the Mark 4 makes use of composite and metallic materials, practical engineering, and proven assembly techniques to provide users with a rugged machine built for harsh environments
| Mark 4 Specifications | |
| Launch Energy, kJ | 56 |
| Max speed, m/s | 32 |
| Max launch pressure, psig (bar) | 3000 (204) |
| Overall dimensions, feet (m) L x W x H deployed | 21 x 3 x 5 (6.4 x 0.9 x 1.5) |
| Overall dimensions, feet (m) L x W x H packed-out | 14 x 3 x 5 (4.3 x 0.9 x 1.5) |
| Compressor type | Gas, diesel or electric, 9 SCFM typical |
| Typical fill time (varies somewhat, depending on aircraft mass, headwind, etc.) | Approx. 15 minutes |
| Endures salt spray and other harsh environments | Yes |
| Engine cooling system | 10 A, 3PH 208VAC blower with variable frequency drive and auto-retract |
