HIN vs. Year of Manufacture

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Aug 1, 2011
10
Balboa 20 Long Beach
Some of you may recall a few months ago when I requested data from anyone with a B20 who knew the HIN and the year of manufacture of their boat. Well, I received a few replies and have constructed a chart from the compiled data. It makes a pretty clear line describing the manufacturing in the early 70's. If you know one or the other you can make a reasonable estimate of the missing data. I also found out from someone who was involved in the manufacturing process from the beginning that Arthur Marine was turning out about a boat a day in the early 70's, so some of the numbers make more sense. I had no idea that they could produce boats that fast! I have attached an image of the chart.

Let me know if you have questions or additional data to add.

Tom
 

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