1-26E Performance and Limits

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SGS 1-26 on ground tow to grid

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.

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.