Comparison of North American F-107 and Saab AJ-37 Viggen

Attribute	Saab AJ-37 Viggen ×	North American F-107 ×
General
Manufacturer	Saab Gripen	North American Aviation NAA
Model	Saab AJ-37 Viggen	North American F-107
Country	Sweden	United States
Manufactured from (year)	1971	1956
Manufactured to (year)	2005	1957
Type	Fighter Jets	Fighter Jets
Icao	SB37	F107
Performance
Engine	1x 1 × Volvo RM 8B afterburning turbofan	1x Pratt & Whitney YJ75-P-9
Power, lbf (lbf)	28,110	24,500
Avionics	Saab CK 37, Ericsson PS 37 X-band monopulse radar, Decca Type 72 Doppler navigation radar	-
Max cruise speed (km/h)	2,232	2,084
Approach speed (km/h)	220	-
Travel range (km)	2,037	3,906
Fuel economy (km/l)	0.235	-
Service ceiling (m)	18,288	16,215
Rate of climb (m/sec)	203.33	202.69
Take off distance (m)	400	-
Landing distance (m)	450	-
Weights
Max take off weight (kg)	22,500	18,841
Max payload (kg)	3,600	4,800
Fuel tank capacity (l)	5,701	4,770
Dimensions
Seats	1	1
Exterior length (m)	16.4	18.85
Tail height (m)	5.9	5.9
Fuselage diameter (m)	2.5	1.6
Wing span (m)	10.6	11.15
Wing tips	No Winglets	No Winglets