1-26E Performance Specs and Operating Limits

 

1-26E Performance and Limits
(from the manual)

Best L/D 23:1 @ 53 mph
Min Sink 2.9 fps @ 40 mph
174 fpm @ 40 mph
L/D and sink at other speeds (approximate) 15:1 @ 32 mph (sink 4 fps = 240 fpm)
19:1 @ 76 mph (sink 6 fps = 360 fpm)
15:1 @ 100 mph (sink 19 fps = 1140 fpm)
L/D with full spoilers (approx)* 6:1 @ 55 mph (sink 13 fps = 800 fpm)
5:1 @ 60 mph (sink 18 fps = 1100 fpm)
Stall Speed 28 mph level
33 mph @ 45 degree bank
40 mph @ 60 degree bank
Best Slip Speed 45 to 50 mph.
Maneuvering Speed (VA) 68 mph
VNE 114 mph
Wing Load Limits + 5.33 g
- 3.31 g
Dive Brakes Open 114 mph max
Winch Tow 63 mph max
Aerotow 95 mph max (50 - 60 mph recommended).
* Originally from Schweizer Aircraft's "Glide Test Reports", B. Carris, 1976. Taken from "Safer Landings Through Understanding Visual Pattern Angles", Stephen DuPont, 1977, which used the reports as a reference.

 

Schweizer 1-26E Dimensions and Weights

Length 21 feet, 6-1/2 inches
Wing Span 40 feet, 0 inches
Gross Weight 700 pounds
Will add weight and balance  numbers later.  

 


Charts: Courtesy of Greater Boston Soaring Club