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hillbille · April 1, 2008, 03:29 PM

heres one to scratch your head on. my son is in the pinewood derby thing, those wooden little cars, anyway the car can only weigh 200 grams, I was going to use 490 round balls I made for my 50 cal.. thing is how many grains(490gr) is there in a gram. I'm going to drill hole in the wood to put balls in what I need to know is how many balls to add. bottom line is how many grams does a 490 round ball weigh?

April 1, 2008, 03:29 PM	#1
hillbille Senior Member Join Date: March 4, 2008 Location: west virginia born 1/19/1961 Posts: 222	help bp guys heres one to scratch your head on. my son is in the pinewood derby thing, those wooden little cars, anyway the car can only weigh 200 grams, I was going to use 490 round balls I made for my 50 cal.. thing is how many grains(490gr) is there in a gram. I'm going to drill hole in the wood to put balls in what I need to know is how many balls to add. bottom line is how many grams does a 490 round ball weigh?