I'll take a picture of mine tonight and record the measurements and email it to you. I had one made up once from materials available in my local hardware store--square aluminum tube and quarter inch thick plate.

:: help!!!! Ive lost my outboard bracket and need a new one
:: asap- Does any one have one ane extra one, one I could
:: borrow to match or to finish the season with, or a
:: drawing I could get one made from