STEMME S6-RT, Руководство по эксплуатации самолета, Страница: 198 / 236

7 27 Revision:
Date of Issue: 18. November 2011 Date of Rev.: . .
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The installed MT propeller is a model MTV 7 A / 170 51 with constant speed
control unit.
Electrically adjustable 3 Blade Constant Speed Propeller, continuously
adjustable from T/O setting to glider setting, electronic constant speed
control, control unit: P120 A (DB)
Forged/milled hub made of light alloys. Blasted and anodized surface finish
Blades made of wood composites with a liner made of fiber composites,
edge guard at the outer edges of the propeller made of stainless steel,
acrylic finish, coated with PU film on the remaining surfaces.
Spinner with baseplate and commutator ring or with commutator ring and
starter disk.
The propeller pitch is continuously adjustable from the T/O setting to the cruise
setting or glider setting, depending on the mode of operation. A direct current
motor is controlled by the automatic propeller control unit, which selects the
corresponding propeller pitch according to the power setting and airspeed.
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The automatic propeller control unit P 120 A is operated with the control
elements located in the lower center area of the instrument panel.
To adjust the control unit use the two flip switches and the rotary switch. The left
flip switch can be set to the ”AUTO“ and “MANU“ (manual) positions. At "MANU"
the right flip switch can be set to ”HIGH RPM“ and ”FEATHER“. Select the
propeller RPM with the rotary switch.