87 lines
2 KiB
C
87 lines
2 KiB
C
/***************************************************************************
|
|
|
|
TITLE: engine.c
|
|
|
|
----------------------------------------------------------------------------
|
|
|
|
FUNCTION: dummy engine routine
|
|
|
|
----------------------------------------------------------------------------
|
|
|
|
MODULE STATUS: incomplete
|
|
|
|
----------------------------------------------------------------------------
|
|
|
|
GENEALOGY: This is a renamed navion_engine.c originall written by E. Bruce
|
|
Jackson
|
|
|
|
|
|
----------------------------------------------------------------------------
|
|
|
|
DESIGNED BY: designer
|
|
|
|
CODED BY: programmer
|
|
|
|
MAINTAINED BY: maintainer
|
|
|
|
----------------------------------------------------------------------------
|
|
|
|
MODIFICATION HISTORY:
|
|
|
|
DATE PURPOSE BY
|
|
|
|
CURRENT RCS HEADER INFO:
|
|
|
|
$Header$
|
|
|
|
* Revision 1.1 92/12/30 13:21:46 bjax
|
|
* Initial revision
|
|
*
|
|
|
|
----------------------------------------------------------------------------
|
|
|
|
REFERENCES:
|
|
|
|
----------------------------------------------------------------------------
|
|
|
|
CALLED BY: ls_model();
|
|
|
|
----------------------------------------------------------------------------
|
|
|
|
CALLS TO: none
|
|
|
|
----------------------------------------------------------------------------
|
|
|
|
INPUTS:
|
|
|
|
----------------------------------------------------------------------------
|
|
|
|
OUTPUTS:
|
|
|
|
--------------------------------------------------------------------------*/
|
|
#include <math.h>
|
|
#include "ls_types.h"
|
|
#include "ls_constants.h"
|
|
#include "ls_generic.h"
|
|
#include "ls_sim_control.h"
|
|
#include "ls_cockpit.h"
|
|
#include "c172_aero.h"
|
|
|
|
extern SIM_CONTROL sim_control_;
|
|
|
|
void engine( SCALAR dt, int init ) {
|
|
/* if (init) { */
|
|
Throttle[3] = Throttle_pct;
|
|
/* } */
|
|
|
|
/* F_X_engine = Throttle[3]*813.4/0.2; */ /* original code */
|
|
/* F_Z_engine = Throttle[3]*11.36/0.2; */ /* original code */
|
|
F_X_engine = Throttle[3]*350/0.83;
|
|
F_Z_engine = Throttle[3]*4.9/0.83;
|
|
M_m_engine = F_X_engine*0.734*cbar;
|
|
/* 0.734 - estimated (WAGged) location of thrust line in the z-axis*/
|
|
|
|
Throttle_pct = Throttle[3];
|
|
}
|
|
|
|
|