Posted for "colyncase on earthlink" <colyncase@earthlink.net>:

"""
We added a single ventral fin to Ted Noel's IVP
"""
Marv,
any observations about performance?

[Haven't flown yet.  VF added prior to first flight so no prior performance numbers to compare to.  <Marv>   ]

Gary,
1.5% is big. So you are saying around 4 knots? Is that at altitude?