"NOYB" wrote in message ...
"JAXAshby" wrote in message
...


How much is 2 G's? it is stopping short in 4 inches when moving 8 feet per
second. Think of the wave action needed to make a boat move 8 feet in a
second. On a 20,000# pound boat that would be a 40,000# strain on the
chain,
anchor, deck chocks.

Your math is wrong.

Starting with boat travelling at 8 ft/sec, a 2 g force will require 6
inches to stop the boat, and the boat will come to a stop in 1/8th of
a second.

To stop a boat travelling at 8 ft/sec within 1 second, the force
required is 1/4 g and the distance to stop is 4 feet.

To move a boat starting from standstill to 8 feet away within 1
second, the accelleration needed is 1/2 g and the speed attained at
the end of that 1 second of accelleration would be 16 ft/sec.

v(t)=at, d(t)=(1/2)at^2 and all that.

%mod%