1-26 Sailplane Manual
The SGS 1-26
The SGS 1-26 is a single-place all metal, fabric covered intermediate type sailplane by Schweizer
Aircraft Corp. at Elmira, New York. Overall dimensions are:
LENGTH - 21’ 3"
SPAN - 40’
HEIGHT - 7’ 2.5"
FLIGHT CONTROLS
1. TOW RELEASE
Located at center bottom of instrument panel. A pull of approximately 1 inch is required to
release the tow rope.
2. SPOILER Brake is a "T" handle located at bottom left of instrument panel. This control is
spring loaded, therefore it is necessary to hold on the amount of spoiler necessary.
3. CONTROL STICK A conventional stick mounted on a single torque tube for elevator and
elevator control.
4. RUDDER PEDALS Are conventional type and are not adjustable.
5. TRIM LEVER Is a small "T" handle located under the bottom right side of the instrument
panel. This is a bungee type or spring loaded mechanism, attached to the elevator system. It is
an any position control used only for nose heaviness. Turn left (ccw) to unlock and right (cw) to
lock into position.
6. INSTRUMENTS ASI is required. Additional instruments are optional, up to full panel, as
desired.
PRE – FLIGHT
1. WING Check spoiler hinges and connections. Check aileron hinge points and push rods. Check
fabric.
2. TAIL ASSEMBLY Check all hinge points. Check pushrod attachment to elevator horn. Check
stabilizer attachment to fuselage. Check rudder cable attachment to rudder horn. Check tail
wheel assembly. Check fabric.
3. FUSELAGE Check all controls for free movement including release. Check instruments. Check
canopy attach points. Check safety belt and shoulder harness. Check fabric. Check wheel, tire,
and brake. Check static and pitot tubes for water or foreign objects. Check wing and control
attachments.
4. CHECK TOW ROPE
AERO TOWING 1-26
1. The aileron and elevator controls are quite sensitive and caution is needed to keep from over
controlling. The control feel on the stick is much lighter than on most sailplanes, therefore, after
once getting used to sensitivity and light touch, you will find that towing is easier than ever.
2. Towing procedure is normal.
3. Recommended towing speed is (50 – 60 MPH)
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