Abrasion Study Results

3 LB. HEAD WEIGHT NAHM Form (11.0F) 100 Cycle Cleaning		3 LB. HEAD WEIGHT NAHM Form (11.0F) 100 Cycle Cleaning		3 LB. HEAD WEIGHT NAHM Form (11.0F) 100 Cycle Cleaning
Sample #	Endpoint	Sample #	Endpoint	Sample #	Endpoint
1	1500	1	1200	1	2600
2	1600	2	1000	2	2300
3	1500	3	1200	3	2600
4	1600	4	1200	4	3000
5	1500	5	1000	5	2600
6	1500	6	1200	6	2700
7	1600	7	1200	7	3400
8	1300	8	1600	8	2300
9	1400	9	1400	9	2300
10	1600	10	1400	10	2300
11	1500	11	1200	11	2700
12	1300	12	1400	12	2700
13	1500	13	1400	13	2600
14	1400	14	1200	14	3200
15	1700	15	1400	15	3300

Average	1500	Average	1266.667	Average	2706.667
Avg(Hi/Lo)	1500	Avg(Hi/Lo)	1261.538	Avg(Hi/Lo)	2684.615
Std.Dev.	113.3893	Std. Dev.	163.2993	Std. Dev.	365.4091
%CV	7.56%	%CV	12.89%	%CV	13.50%

3 lb. Head Weight 7" Diameter Disk 100 Cycle Cleaning		3 lb. Head Weight 7" Diameter Disk 200 Cycle Cleaning		2 lb.Head Weight 7" Diameter Disk 100 Cycle Cleaning
Sample #	Endpoint	Sample	Endpoint	Sample	Endpoint
1	700	1	800	1	1600
2	800	2	1200	2	1200
3	800	3	800	3	1800
4	800	4	600	4	1600
5	800	5	1000	5	1500
6	1400	6	600	6	1400
7	600	7	800	7	2000
8	1100	8	800	8	1700
9	900	9	600	9	1800
10	700	10	1200	10	1300
11	1000	11	800	11	2100
12	1000	12	800	12	2100
13	700	13	1000	13	1300
14	900	14	1200	14	2400
15	900	15	800	15	1300
Average	873.3333	Average	866.6667	Average	1673.333
Avg(Hi/Lo)	900	Avg(Hi/Lo)	861.5385	Avg(Hi/Lo)	1653.846
Std.Dev.	198.0861	Std.Dev.	209.3072	Std.Dev.	357.5046
%CV	22.68%	%CV	24.15%	%CV	21.36%