General characteristics
Crew: 1 or 2
Payload: 3,500 lb (1,600 kg) of sensors
Length: 107 ft 5 in (32.74 m)
Wingspan: 55 ft 7 in (16.94 m)
Height: 18 ft 6 in (5.64 m)
Wing area: 1,800 ft² (170 m²)
Empty weight: 67,500 lb (30,600 kg)
Loaded weight: 170,000 lb (77,000 kg)
Maximum Take-Off Weight: 172,000 lb (78,000 kg)
Powerplant: 2× Pratt & Whitney J58-1 continuous-bleed afterburning turbojets, 32,500 lbf (144.57 kN) each
Wheel track: 16 ft 8 in (5.08 m)
Wheel base: 37 ft 10 in (11.53 m)
Aspect ratio: 1.7
Performance
Maximum speed: Mach 3.29 (2,193 mph, 3,530 km/h) at 80,000 ft (24,000 m)
Range:

Combat: 2,900 nm (5,400 km)
Ferry: 3,200 nm (5,925 km)
Service ceiling: 85,000 ft (25,900 m)
Rate of climb: 11,810 ft/min (60 m/s)
Wing loading: 94 lb/ft² (460 kg/m²)
Thrust/weight: 0.382

Vise informacija i detalja na http://en.wikipedia.org/wiki/SR-71_Blackbird

brzina je ok ali koliko moze najbrzi avion na svetu

dobar avioncic ipak nije to za malu decu