Bending wood against the grain????

[Allan]

I'm building the Panart Armed Launch. On the deck toward the bow there's a deck plank that "I think" needs to be bent against the grain. How is this done?.....Allan
P.S; if this is a totally ridiculous question try not to be too tough on me.

 

[Dave Stevens (Lumberyard)]

would you post a picture so we can see what you are trying to do

is it something like this?

 

[Allan]

I'm traveling but will send pictures when I return.....Allan