Research on this thread way back says that the Teddersley Boat Co had GPR tops from 1978-80 ,then steel cabins. And that they used odd metal thicknesses. It might be that the commenter put the 7 twice. It would make sense then. I understand there might have been extra bracing. These were hire boats for people, not goods, like the springers. 7mm sounds a little light for a 40 year life.
Thanks all for your replies
Dipping a dry toe into the water here.
I am trying to get some metal plate specs on late 70,s Teddesley 50 footer. A GRP cabin . I saw a post of 7:7:5:4. Don't fully understand that. 10:6:4 I do understand. Any info greatly appreciated.
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