Schweizer 2-33 - Aircraft Handling; Flight Speeds

A-CR-CCP-402/MB-001 SCHWEIZER 2-33 AOIs
4-1
SECTION 4 - AIRCRAFT HANDLING
GENERAL
1040 lbs gross weight
FLIGHT SPEEDS
1080 lbs gross weight
DUAL SOLO DUAL SOLO
55 to 60 55 to 60
Normal ground based
climb speeds
55 to 60 55 to 60
55 mph 50 mph Slips (Forward & Turning) 55 mph 50 mph
50 mph 45 mph L/D (Best Glide Speed) 52 mph 45 mph
23:1 L/D (Best Glide Ratio) 23:1
42 mph 38 mph Min Sink Speed 42 mph 38 mph
3.1 fps
(186 fpm)
2.6 fps
(156 fpm)
Min Sink Rate
3.2 fps
(192 fpm)
2.6 fps
(156 fpm)
43 mph 39 mph Spiralling Speed 44 mph 39 mph
39 to 42 mph 34 to 37 mph Buffeting Speed 40 to 43 mph 34 to 37 mph
41 mph 36.5 mph Stall Speed (30
o
bank) 42 mph 36.5 mph
40 mph
1
36 mph
1
Stall Speed
(spoilers open)
1
41 mph
1
36 mph
1
38 mph 34 mph Stall Speed (level flight) 39 mph 34 mph
Figure 4-1 Flight Speeds (updated 2016)
2-33 Speeds and Ratios with Full Spoilers/Dive Brakes Extended
SPEED
(Miles/Hour)
SPEED
(Feet/Second)
SINK
(Feet/Second)
SINK
(Feet/Minute)
DIVE
ANGLE
L/D
RATIO
45 66.00 6.66 400 6
o
9.5 : 1
50 73.33 9.43 566 7.4
o
7.7 : 1
60 87.99 14.28 857 9.3
o
6.1 : 1
70
2
102.66 20.00 1200 11.23
o
5 : 1
80
2
117.33 33.30 1998 16.5
o
3.4 : 1
90
2
131.99 41.66 2500 18.4
o
3 : 1
Information from: Engineering Report R-153 Sailplane Dive Test Data prepared by L Schweizer
11-7-78
Figure 4-2 Speeds and Ratios with Spoilers Extended (added 2016)