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-. --_--_ =-___-_---==-;--__--:
CatA, CatA, CatB, CatB, CatC, CatC,
min max min max min max
---- --~--
Levell 0.28 3.6 0.085 3.6 0.16 3.6
Levelll 0.16 10,0 0.038 10.0 0.096 10.0
Levellll 0.16 N 0.038 ~ 0.096 N
-:-r ----------~ =:=-------------
In Table 6.3, n is the load factor as given by
L
n -. W
I
21p \/2SCL
=W
For linear range of angle of attack,
n
-. = (2~) p\/2SCl.a,
a
(6.292)
(6.293)
(6.294)
Ro//mode. The maximum allowable values ofthe roll-subsidence mode time
constant4 are shown in Table 6.4.
Dutch ro//. The Dutch-roll flying qualities4 are specified in Table 6.5.
Table 6.4 rfime constants for rollsubsidence mode
~-_-- ==::-_;--.-__
Oass Categor)r Levell Levelll Levellll
-_-- -- -----
I,IV A 1.0 1.4 10.0
ILIII A 1.4 3.0 10.0
All B 1.4 3.0 10.0
I,IV C 1.0 1.4 10.0
II,III C 1.4 3.0 10.0
-r-----.----- -~~ 1-
AIRPLANE RESPONSE AND CLOSED-LOOP CONTROL 595
Table 6.5 Dutch-rojlflying qualities
---_-. -_-_--_-
-- N--
Min <W,,,a Min Wn,
Level Category . Class Min<a rad/s rad/s
-----
I A I,IV 0.19 0.35 1.0
I A n,m 0.19 0.35 0.4
I B All 0.08 0.15 1.0
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动力机械和机身手册3(80)
