"Have any of you ever put a floatant on one?"
In the process (or will be shortly) doing just that. Tin of Muciln Green (silly-con based) is coming to me now. That should make a full floater behave like a long cork. Or so I think.
And our right, Joni's sinkers REALLY sink.
Edit: 12' long! Wooozer, I can only imagine how long it took her to put that Puppy together.