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- 100 DIM I$(3),P(2),E(2),W(2),S(2),X(2),M(2),C(2),B(2),Y(2)
- 110 DIM Q(2),MB(2)
- 120 PRINT "WELCOME TO THE DRAG STRIP."
- 130 PRINT "WOULD YOU LIKE INSTRUCTIONS";
- 140 INPUT I$
- 150 IF I$="NO" THEN 200
- 160 PRINT "YOU MAY RACE AGAINST ONE OF YOUR FRIENDS OR YOU MAY RACE"
- 170 PRINT "AGAINST MY DRAGSTER. YOU WILL BE ASKED TO DESIGN YOUR"
- 180 PRINT "OWN MACHINE, SPECIFYING HORSEPOWER, REAR END RATIO (X:1)"
- 190 PRINT "TIRE WIDTH IN INCHES AND TIRE DIAMETER IN FEET."
- 200 PRINT "DO YOU WANT TO RACE AGAINST ME";
- 210 INPUT I$
- 220 IF I$="NO" THEN 290
- 230 PRINT "I WILL HAVE CAR #1."
- 240 P(1)=600
- 250 E(1)=5.9
- 260 W(1)=22
- 270 D(1)=3.9
- 280 GOTO 380
- 290 PRINT "DESIGN CAR #1:"
- 300 PRINT "HORSEPOWER=";
- 310 INPUT P(1)
- 320 PRINT "REAR END RATO=";
- 330 INPUT E(1)
- 340 PRINT "TIRE WIDTH =";
- 350 INPUT W(1)
- 360 PRINT "TIRE DIAMITER=",
- 370 INPUT D(1)
- 380 PRINT "DESIGN CA #2:"
- 390 PRINT "HOURSEPOWER=";
- 400 INPUT P(2)
- 410 PRINT "REAR END RATIO=";
- 420 INPUT E(2)
- 430 PRINT "TIRE WIDTH=";
- 440 INPUT W(2)
- 450 PRINT "TIRE DIAMETER=";
- 460 INPUT D(2)
- 470 PRINT
- 480 PRINT "GO!"
- 490 K1=500
- 500 K2=1.6
- 510 K3=2
- 520 K4=6E-04
- 530 K5=6E-05
- 540 K6=.2
- 550 K7=4
- 560 K8=1.5E-04
- 570 Q(1)=0:Q(2)=0
- 580 S(1)=0:S(2)=0
- 590 X(1)=0:X(2)=0
- 600 FOR J=1TO2
- 610 M(J)=(K1+K2*P(J)+K3*W(J)*D(J)+K7*D(J)^2)/32.2
- 620 C(J)=K4*M(J)^(2/3)+K8*W(J)*D(J)
- 630 B(J)=15+28*W(J)*D(J)/((W(J)+6)*(D(J)+1))
- 640 Y(J)=3.7-3.3E-03*P(J)
- 650 MB(J)=M(J)*B(J)
- 660 NEXT J
- 670 PRINT
- 680 PRINT
- 690 PRINT "ELAPSED";TAB(21);"CAR#1";TAB(49);"CAR#2"
- 700 PRINT "TIME","SPEED","DISTANCE","SPEED","DISTANCE"
- 710 PRINT "(SEC)","(MPH)"," (FT)","(MPH)"," (FT)"
- 720 PRINT
- 730 FOR T=0 TO 100 STEP 1
- 740 FOR T1=1 TO 100 STEP 1
- 750 FOR J=1 TO2
- 760 R=60*S(J)*E(J)/(3.14159*D(J))
- 770 L0=(P(J)/42.5)*(50+7.8E-03*(R/Y(J))-4E-10*(R/Y(J))^3)
- 780 L1=P(J)*(K5*R+K6)
- 790 L2=E(J)*(L0-L1)
- 800 F=2*L2/D(J)
- 810 IF F>MB(J) THEN 870
- 820 IF Q(J)<>0 THEN 850
- 830 PRINT "CAR#";J;"STOPS BURNING RUBBER"
- 840 Q(J)=1
- 850 A=(F-C(J)*S(J)^2)/M(J)
- 860 GOTO 880
- 870 A=B(J)-C(J)*S(J)^2/M(J)
- 880 S(J)=S(J)+A*.01
- 890 X(J)=X(J)+S(J)*.01
- 900 NEXT J
- 910 IF X(1)<1320 AND X(2)<1320 THEN 1120
- 920 IF X(1)>X(2) THEN 1040
- 930 T3=(X(2)-1320)/S(2)
- 940 T=T+T1/100-T3
- 950 X(2)=1320
- 960 X(1)=X(1)-S(1)*T3
- 970 PRINT T,S(1)*3600/5280,X(1),S(2)*3600/5280,X(2)
- 980 PRINT TAB(50);"WINNER"
- 990 PRINT
- 1000 PRINT"DO YOU WANT TO TRY AGAIN",
- 1010 INPUT I$
- 1020 IF I$="YES" THEN 200
- 1030 STOP
- 1040 T3=(X(1)-5280/4)/S(1)
- 1050 T=T+T1/100-T3
- 1060 X(1)=5280/4
- 1070 X(2)=X(2)-S(2)*T3
- 1080 PRINT T,S(1)*3600/5280,X(1),S(2)*3600/5280,X(2)
- 1090 PRINT TAB(20);"WINNER"
- 1100 PRINT
- 1110 GOTO 1000
- 1120 NEXT T1
- 1130 PRINT T+1,S(1)*3600/5280,X(1),S(2)*3600/5280,X(2)
- 1140 NEXT T
- 1150 STOP
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