Table 1 



-Drag Coefficient as a Function of Rg for naturally worn 

 fragments (Table 15, Schulz, et al. ,1954) 



R e xC D 



R e S 



.F.= 0.3 



0.5 



0.7 



0.9 



1.0 



S.F.=0.7 



S.F.=1.0 



1.5 



25.0 



21.0 



19.4 





19.0 



2 9.10 



28.5 



2 



20.2 



16.8 



15.4 





14.9 







3 



14.9 



12.4 



11.2 





10.8 



33.60 



32.4 



4 



12.0 



9.9 



8.9 





8.6 







5 



10.3 



8.5 



7.5 





7.2 







6 



9.1 



7.45 



6.5 





6.3 



39.00 



37.8 



7 



8.1 



6.7 



5.85 





5.6 







8 



7.5 



6.1 



5.3 





5.05 







9 



6.9 



5.65 



4.9 





4.65 



44.10 



41.8 



10 



6.5 



5.25 



4.55 





4.3 







15 



5.05 



4.1 



3.45 





3.23 



51.75 



48.45 



20 



4.3 



3.4 



2.88 



2.75 



2.68 



57.60 



53.60 



30 



3.5 



2.72 



2.28 



2.14 



2.08 



68.40 



62.4 



40 



3.1 



2.35 



1.94 



1.81 



1.75 







50 



2.85 



2.11 



1.74 



1.59 



1.56 



87.00 



78.0 



60 



2.70 



1.95 



1.60 



1.45 



1.40 







70 



2.60 



1.83 



1.49 



1.33 



1.29 



104.30 



90.3 



80 



2.52 



1.75 



1.41 



1.25 



1.21 







90 



2.47 



1.67 



1.35 



1.18 



1.14 







100 



2.45 



1.61 



1.30 



1.12 



1.08 



130.00 



108.0 



150 



2.36 



1.45 



1.14 



0.94 



0.895 







200 



2.34 



1.38 



1.07 



0.84 



0.79 



214.00 



158.0 



300 



2.37 



1.30 



1.02 



0.75 



0.67 







400 



2.40 



1.30 



1.00 



0.71 



0.60 







500 



2.45 



1.31 



1.00 



0.695 



0.555 



500.00 



277.5 



600 



2.50 



1.33 



1.02 



0.685 



0.528 







700 



2.55 



1.37 



1.03 



0.683 



0.502 







800 



2.59 



1.40 



1.04 



0.680 



0.488 



832.00 



390.4 



1000 



2.65 



1.48 



1.08 



0.675 



0.460 



1080.00 



460.0 



1500 



2.70 



1.61 



1.14 



0.670 



0.428 







2000 



2.70 



1.68 



1.17 



0.670 



0.410 



2340.00 



820.0 



3000 



2.63 



1.70 



1.20 



0.680 



0.400 







4000 



2.55 



1.70 



1.21 



0.682 



0.400 







5000 



2.46 



1.67 



1.20 



0.695 



0.401 



6000.00 



2005.0 



6000 



2.38 



1.66 



1.19 



0.700 



0.402 







7000 



2.31 



1.63 



1.18 



0.705 



0.404 







8000 



2.26 



1.61 



1.17 



0.705 



0.406 



9360.00 



3248.0 



10000 



2.17 



1.57 



1.14 



0.710 



0.410 



11400.00 



4100.0 



15000 



2.11 



1.40 



1.08 



0.711 



0.414 







26 



