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OrbWorks Community Forum • View topic - Tire Calculator
Page 1 of 1

PostPosted: Fri Jan 26, 2001 3:01 pm
by Farmer Al
I wrote this as a begining to a suite of gearhed apps for the Palm.

Uses the side wall designation on a tire to calculate tire width, height, circumference.

I.E. 235/50R15 inputs as: 235 50 15

PocketC Code follows:

//Tire Measurement Calculator
//Allen Demers
main (){
string size;
float width;
float rim;
float aspect;
float wheelHeight;
float wall;
float round;
int loop;
loop=1;
while(loop){
clear();
size="Not Changed";
puts("enter the tire size as three\n numbers. Like: 255 60 15\n 0 to auit\n");
size=gets("Input tire designation-XXX YY ZZ" );
if (size==""){
loop=0;
puts("all done...?É??ye!");
}
puts(size+"\n");
width=(float)strleft(size, 3);
rim=(float)(strright(size,2));
aspect=(float)(substr(size,4,2));
puts("tire size="+format(width,0)+"/"+format(aspect,0)+" R"+format(rim,0)+"\n");
wall=(width*(aspect/100))/25.4;
width=(width/25.4);
wheelHeight=(wall*2)+rim;
round=wheelHeight*3.14;
puts("Wheel will be "+format(wheelHeight,2)+" inches tall.\n");
puts("tire is "+format(width,2)+" inches wide.\n");
puts("and is "+format(round,2)+"in circumference...");
waitp();
}
}