root@blue:~# lsusb -d 046d:
Bus 004 Device 003: ID 046d:c293 Logitech, Inc. WingMan Formula Force GP

root@blue:~# evtest /dev/input/event16 
Input driver version is 1.0.1
Input device ID: bus 0x3 vendor 0x46d product 0xc293 version 0x100
Input device name: "Logitech Inc. WingMan Formula Force GP"
Supported events:
  Event type 0 (EV_SYN)
  Event type 1 (EV_KEY)
    Event code 288 (BTN_TRIGGER)
    Event code 289 (BTN_THUMB)
    Event code 290 (BTN_THUMB2)
    Event code 291 (BTN_TOP)
    Event code 292 (BTN_TOP2)
    Event code 293 (BTN_PINKIE)
  Event type 3 (EV_ABS)
    Event code 0 (ABS_X)
      Value    516
      Min        0
      Max     1023
      Fuzz       3
      Flat      63
    Event code 1 (ABS_Y)
      Value    127
      Min        0
      Max      255
      Flat      15
  Event type 4 (EV_MSC)
    Event code 4 (MSC_SCAN)
  Event type 21 (EV_FF)
    Event code 82 (FF_CONSTANT)
    Event code 96 (FF_GAIN)

root@blue:~# apt-get install joystick

root@blue:~# ffcfstress -d /dev/input/event16 

        position                   center                     force
<----------+|-----------> <---------+*|-----------> <----------*|----------->^C