Editing Keystone B-3 (section)

==Specifications (B-3A)==
{{Aircraft specs
    |ref                        = <!-- reference --> 
    |prime units?               = imp
    <!-- imp or kts first for US aircraft, and UK aircraft pre-metrification, 
    met(ric) first for all others. You MUST choose a format, or no specifications will show -->
    <!--General characteristics-->
    |crew                   = 5
    |capacity               = 
    |length m               = 14.9
    |length ft              = 48
    |length in              = 10
    |span m                 = 22.8
    |span ft                = 74
    |span in                = 8
    |height m               = 4.8
    |height ft              = 15
    |height in              = 9
    |wing area sqm          = 106.4
    |wing area sqft         = 1145
    |aspect ratio           = 
    |airfoil                = 
    |empty weight kg        = 3495
    |empty weight lb        = 7705
    |gross weight kg        = 5875
    |gross weight lb        = 12952
    |max takeoff weight kg  = 
    |max takeoff weight lb  = 
    |more general           = 
    <!--Powerplant-->
    |eng1 number            = 2
    |eng1 name              = [[Pratt & Whitney R-1690]]-3
    |eng1 type              = [[radial engine]]s
    |eng1 kw                = <!-- prop engines --> 392
    |eng1 hp                = <!-- prop engines --> 525
    |eng1 shp               = <!-- prop engines --> 
    |eng1 kn                = <!-- jet/rocket engines --> 
    |eng1 lbf               = <!-- jet/rocket engines --> 
    |power original         = 
    |thrust original        = 
    |eng1 kn-ab             = 
    |eng1 lbf-ab            = 
    |more power             = 
    |prop name              = 
    |prop dia m             = <!-- propeller aircraft --> 
    |prop dia ft            = <!-- propeller aircraft --> 
    |prop dia in            = <!-- propeller aircraft --> 
    |rot dia m              = <!-- helicopters --> 
    |rot dia ft             = <!-- helicopters --> 
    |rot dia in             = <!-- helicopters --> 
    |rot area sqm           = <!-- helicopters --> 
    |rot area sqft          = <!-- helicopters --> 
    |rot number             = 
    <!--Performance-->
    |max speed kmh          = 183
    |max speed mph          = 114
    |max speed kts          = 98
    |max speed note         = 
    |max speed mach         = 
    |cruise speed kmh       = 158
    |cruise speed mph       = 98
    |cruise speed kts       = 85
    |cruise speed note      = 
    |stall speed kmh        = 
    |stall speed mph        = 
    |stall speed kts        = 
    |stall speed note       = 
    |never exceed speed kmh = 
    |never exceed speed mph = 
    |never exceed speed kts = 
    |range km               = 1400
    |range miles            = 860
    |range nmi              = 760
    |range note             = 
    |combat range km        = 
    |combat range miles     = 
    |combat range nmi       = 
    |combat range note      = 
    |ferry range km         = 
    |ferry range miles      = 
    |ferry range nmi        = 
    |ferry range note       = 
    |endurance              = <!-- if range unknown --> 
    |ceiling m              = 3870
    |ceiling ft             = 12700
    |ceiling note           = 
    |climb rate ms          = 2.7
    |climb rate ftmin       = 530
    |climb rate note        = 
    |sink rate ms           = <!-- sailplanes --> 
    |sink rate ftmin        = <!-- sailplanes --> 
    |sink rate note         = 
    |wing loading kg/m2     = 55.42
    |wing loading lb/sqft   = 11.31
    |disk loading kg/m2     = 
    |disk loading lb/sqft   = 
    |power/mass             = 0.0811 hp/lb (133 W/kg)
    |thrust/weight          = 
    |more performance       = 
    <!--Armament-->
    
    |guns                   = 3 × .30 in (7.62 mm) [[M1919 Browning machine gun|machine gun]]s
    |bombs                  = 2,500 lb (1,100 kg); 4,000 lb (1,800 kg) on short runs
    |rockets                = 
    |missiles               = 
    |hardpoints             = 
    |hardpoint capacity     = 
    |hardpoint rockets      = 
    |hardpoint missiles     = 
    |hardpoint bombs        = 
    |hardpoint other        = 
    |avionics               = }}