I installed a thru-hull transponder for a speed/depth/temp instrument in my 1988 boat in the head area about 8 inches from the centerline, and and my eyeball estimate of the the thickness of the fiberglass hull in that area was about 3/8 of an inch.  That’s the only hole I’ve drilled through the hull of my boat, but I’m pretty sure the thickness will be less as you get further from the keel.

A person might wonder why you want to know.

Peter Nyberg
Coventry, CT
s/v Silverheels (1988/2016)  

> On May 11, 2018, at 7:06 PM, Luis Guzman <luis.guzman.ve at gmail.com> wrote:
> 
> By chance, would anybody here know what the thickness of the hull for a
> 1982 Rhodes is?
> 
> Luis
> S/V Aquetxali
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