Flap Disc tests (Project Farm)

brand	unit_cost	grit	sq_in_start	sandpaper_pieces	disc_grams	steel_grams_start	steel_grams_end1	steel_grams_end2	steel_grams_worn1	steel_grams_worn2	steel_grams_worn_total	notes
Harbor Freight Warrior	3.99	36	42.3	72	71	1008	1000	996	8	4	12	poor design
Makita	4.59	40	48.1	72	89	1024	1003	996	21	7	28	removed most, but wore quickly
Walter	5.5	40	53.9	72	99	1005	995	991	10	4	14	disc held up, can be trimmed back
Diablo	5.97	40	65.6	90	103	1007	993	984	14	9	23	removed 2nd most, disc held up
Dewalt	8.98	40	47	68	79	1041	1035	1029	6	6	12	overpriced
Norton	9.98	40	57.3	80	122	1013	1004	998	9	6	15	disc held up, can be trimmed back



Which Flap Disc is Best? Let's find out!
Project Farm
https://www.youtube.com/watch?v=LLsW2L5HoqQ
https://docs.google.com/spreadsheets/d/1UmJIpPA5u1D2PuA81rOgxfvrLJuJaSyMWR9ifSTTgtg/edit#gid=0