Repace washboard

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paul.coombs
Repace washboard

I'd like some ideas , plans etc on an effective cost efficient replacement washboard
I like the idea of a firty/Fifty washboard with the top half in tinted acrilic/perspex and the bottom in marine ply with a built in ventilator to reduce condensation with my new Orig heatpal
Any pictures , plans or if someone would make me one that would be great.
Hoping to get back in the water in 5 weeks.