Table 2 Natural frequencies of control... | Emerald Publishing

Table 2

Natural frequencies of control surface rotation with free and fixed control, frequencies are in Hz

Mode shape	Composite					Aluminum alloy
Mode shape	Low wing	Low wing	Low wing	Low wing	High wing	Low wing	High wing
*Free control*
Antisymmetric aileron rotation	37.4	21.2	16.2	40.5	17.4	16.7	19.8
Symmetric elevator rotation	37.6	8.6	18.8	31.3	14.9	14.8	17.0
Rudder rotation	16.3	25.5	20.0	17.2	10.1	13.1	18.2
*Fixed control*
Antisymmetric aileron rotation	39.9	30.8	31.5	41.4	17.3	19.2	19.2
Symmetric elevator rotation	37.6	19.8	19.2	31.4	16.7	17.2	16.9
Rudder rotation	16.6	24.9	22.3	19.6	10.1	13.3	18.0

Mode shape	Composite					Aluminum alloy
Mode shape	Low wing	Low wing	Low wing	Low wing	High wing	Low wing	High wing
Free control
Antisymmetric aileron rotation	37.4	21.2	16.2	40.5	17.4	16.7	19.8
Symmetric elevator rotation	37.6	8.6	18.8	31.3	14.9	14.8	17.0
Rudder rotation	16.3	25.5	20.0	17.2	10.1	13.1	18.2
Fixed control
Antisymmetric aileron rotation	39.9	30.8	31.5	41.4	17.3	19.2	19.2
Symmetric elevator rotation	37.6	19.8	19.2	31.4	16.7	17.2	16.9
Rudder rotation	16.6	24.9	22.3	19.6	10.1	13.3	18.0

Source(s): Table created by authors