rob said to me, regarding my tornado conversion:
< Make it as long as you can within handling
< constraints.

I am not sure why.

1: I am expecting a bow-up attitude, since there is no
mast to push it down. This will be draggy, and I think
that extra length will not be enough to prevent it to
my satisfaction.
Thus I will need a T rudder or something anyway, so
hobbyhorsing will be much less of a nuisance.

2: speed, I was looking at this michlet calculation of
the tornado drag, and it appears that wave drag is
only a tiny part of the total drag, even as fast as
20kt. Thus I guess a longer hull will be draggier,
except maybe at *very* high speed, since WSA must be
more?
http://personal.inet.fi/private/muu/torodrag.htm

Let me know if I'm wrong, please!

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