When it was finished, this was the business. Wood and steel, cant go wrong. Ive used it loads of times, solid as rock.
[Added]In use: It takes 5 mins to load the windsurfer and is stable at 60mph, which is the fastest Ive gone.
Step 1: List of Materials/Cost/Tools/Time
Total construction time : 1.5 days. It took me about 8hrs actual work time, but I needed to let glue and paint dry