gyrojet.frink

View or download gyrojet.frink in plain text format


/** Program to calculate Gyrojet projectile accelerations from raw data.

    See my full article at:
    http://futureboy.us/blog/gyrojet.html
*/


readings = [[0 ft,       0 ft/s],
 [1 ft,      105 ft/s],
 [3 ft,      192 ft/s],
 [5 ft,      290 ft/s],
 [8 ft,      421 ft/s],
 [13 ft,     566 ft/s],
 [18 ft,     787 ft/s],
 [23 ft,     985 ft/s]]

sumt = 0 s
size = length[readings]
var d2
var v2
for i = 0 to size-2
{
   [d1, v1] = readings@i
   [d2, v2] = readings@(i+1)

   vavg = (v1+v2)/2
   deltat = (d2-d1)/vavg
   deltav = v2-v1
   a = deltav/deltat
   sumt = sumt+deltat

   println["<TR><TD CLASS=\"right\">" + (d1->ft) + "<TD CLASS=\"right\">" + (v1 -> ft/s)]
   println["<TR><TD COLSPAN=2><TD CLASS=\"right\">" + format[deltat,ms,1] + "<TD CLASS=\"right\">" + format[sumt, ms,1] + "<TD CLASS=\"right\"><B>" + (format[a,gee,0]) + "</B>"]   
}

println["<TR><TD CLASS=\"right\">" + (d2->ft) + "<TD CLASS=\"right\">" + (v2 -> ft/s) + "<TD CLASS=\"right\">"]


View or download gyrojet.frink in plain text format


This is a program written in the programming language Frink.
For more information, view the Frink Documentation or see More Sample Frink Programs.

Alan Eliasen was born 17591 days, 17 hours, 48 minutes ago.