Primary Glider, 1929  
Ron Sands

specifications
 
length
height
wing span
wing area
seats
empty weight
useful load
gross weight
fuel capacity
range
x
7ft
32ft
160sq. ft
1
175lb
x

375lb
x
x

performance

takeoff distance, ground roll
rate of climb
max speed
cruise speed
landing distance, ground roll
service ceiling
x
x
45mph
x
x
x

limiting and recommended speeds

design manoeuvring speed (Va)
never exceed speed (Vne)
stall, power off (Vsl)
landing approach speed
x
x
30mph
x

All specifications are based on manufacturer's calculations