Seems to weigh around 50-75lbs. For sure dont want to be near it falling nearly 8 feet.
The plywood is 1/2" thick, screwed ontop of 2x4 rafters. I was planning on securing it with rope to prevent movement. I wasn't concerned with it falling through. Should I be?

~Nate

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95 Honda Shadow ACE 1100.
1999 Plymouth Neon Expresso. 2.4 swap, 10.5 to 1 comp, big cams. Autocross time attack vehicle!
2012 Escape, 'hunter" (5 sp 4cyl)