Schweizer S300C 269C - Page 36

 Air foil Data
Eng lish Met ric
Main Ro tor
Di am e ter 26.83 feet 8.178 m
Blade chord 6.75 inches(con stant) 171.5 mm
Air foil NACA 0015
Blade twist -8°39’
Num ber of blades 3
RPM lim its, power on 442 to 471 rpm
power off 390 to 504 rpm
Antitorque (Tail) Ro tor
Di am e ter 4.25 feet 1.295 m
Blade chord 4.81 inches(con stant) 122.2 mm
Air foil NACA 0014, mod i fied
Blade twist -8°00’
Num ber of blades 2
RPM lim its, power on 2901 to 3094 rpm
Hor i zon tal Sta bi lizer
Span to C
L
tailboom 2.50 feet 0.762 m
Chord 12.7 inches(con stant) 322 mm
Air foil NACA 0015, mod i fied
Di hed ral 35°
In ci dence 9.8°
Ver ti cal Sta bi lizer
Span (to tailboom) 2.17 feet 0.661 m
Root chord 17.6 inches 447 mm
Tip chord 8.5 inches 216 mm
Air foil NACA 0015
General
Pilot's Flight Manual
SCHWEIZER
Model 269C Helicopter
1-10
Reissued: 16 Jan 2019
This Document contains technical data subject to EAR. See WARNING and classifications on first page.
CSP Book 1 CSP-C-1.indd 36 8/4/19 12:45 PM