Here's an interesting thought for your rib
Was out in Poole a week or so ago, found this proporting to be one of the Navy's finest. Not sure RM like to be called Navy but it's a boat. I rather like the accessory they have mounted on the bow, where do you think I could get one, keep those raggies out of my way.
"Tubes" appeared to be solid so not strictly a RIB. Nice seats though.
Only two things are infinite, the universe and human stupidity, and I'm not sure about the former --- Albert Einstein