Some questions asked by others are also mine:
-) can you really rent out a home-built under the planned registration - either Canadian or perhaps US?
-) the Cx4 seems like a tight compromise - it meets European ultralight rules and I know from first-hand experience that leaves little or no margin on the weight side. It will certainly NOT legally carry two people of 110 kg as GtE requires. Though I am not sure obesity is as bad in Canada as it is in them US of A.
-) but even people of more moderate weight would be unable to carry more luggage than a toothbrush and a change of underwear, in the Cx4. The PA-11 might well do better, in that respect.
-) one concern that I didn't see yet: you intend to rent out the Cx4 for extensive trips - but can its VW engine run on AvGas? I am sure it prefers MoGas, but I feel not many aerodromes over at yours have that on tap.
-) if I were you, I think I would prefer the same engine in both craft, to make maintenance and planning easier and probably less expensive.
Last edited by Jan Olieslagers; 18th Jan 2014 at 17:13.