On 6/28/2018 11:44 PM, Ron wrote:
I'm thinking of making a motorcycle ramp 8 ft long & 3 ft wide with 3/4 inch
plywood to load a 600 lb bike on a car hauler trailer.Â* Will the 3/4 " plywood
hold the weight?

Sometimes it just doesn't pay to do it yourself. Strong cheap loading ramps
are available at Harbor Freight.