Originally Posted by

**DrRocket**
Originally Posted by

**Lost(in)thought**
We have 8,000 pounds in this model to work with, would it even be possible without a payload? If not how much balloon lift would we need?

This idea is something that I have been thinking about over the years. I wondered if it could have been used in that civilian space contest. Thank you for your valued thoughts.

You need to be more clear. 8000 pounds of what ? 8000 lb is a very small rochet.

Metallic hydrogen LOX Rocket ( haha )

Which civilian space contest ?

The Ansari X Prize

Winner of the $10,000,000 prize was SpaceShipOne.

SpaceShipOnes specifications

Crew: one, pilot

Capacity: 2 passengers

Length: 16 ft 5 in (8,05 m)

Wingspan: 16 ft 5 in (8,05 m)

Height: ()

Wing area: 161.4 ft² (15 m²)

Empty weight: 2,640 lb (1,200 kg)

Loaded weight: 7,920 lb (3,600 kg)

Powerplant: 1× N2O/HTPB SpaceDev Hybrid rocket motor, 7,500 kgf (74 kN)

Isp: 250 s (2450 Ns/kg)

Burn time: 87 seconds

Aspect Ratio: 1.6

Performance

Maximum speed: Mach 3.09 (2,170 mph, 3,518 km/h)

Range: 35 nm (40 mi, 65 km)

Service ceiling: 367,360 ft (112,000 m)

Rate of climb: 82,000 ft/min (416.6 m/s)

Wing loading: 49.07 lb/ft² (240 kg/m²)

Thrust/weight: 2.08