Everyone else is giving the complicated answer, I will try for a simpler one. The answer to question is probably yes you can put it where ever you...
I always loved this book as a kid, especially the way it had all the statistics and everything!
From the internet pictures I have seen, I like the simplicity of a schooner rig with two high aspect identical mainsails, that just swing round...
Ouch! I bought the whole boat secondhand for NZ $850 :-) No idea what they cost new...
I don't know how long the fordeck or mast are on the topper but a bit of simple geometry should allow you to work out what length sprit you need...
Get the sail off an X3 http://www.sailextreme.com/ The one I bought secondhand has retrofitted stays which seem to be good in heavy weather, they...
I have a secondhand rotomoulded X3 from http://www.sailextreme.com/ it's quite heavy for its size but seems to be absolutely indestructible even...
A pacific proa with a strong bouyant mast that was canted slightly to leeward would be pretty hard to flip. The floating mast would prevent...
Not an expert on the topic but I would think it would pretty much prevent planing having the engine well forward like that. Of course with a 4mph...
Just get yourself an Osprey. http://www.wired.com/images_blogs/photos/uncategorized/2007/04/11/v22osprey01.jpg Best of both worlds.
As a kid I grew up with a copy of this book, fantastic photos and great stories, loved it! Alas I no longer no the whereabouts of that copy.
Redundancy by itself should be reason enough, well unless your talking a sailboat in which case the motor is not essential. A lot of sailing cats...
That is an awful lot of flat fronted boat to move with one person peddling...