Originally Posted by
zonatandem
Our personal preference is full carbon fiber. However we don't do loaded touring any more.
Have ridden Satana Ti and the Beyond . . . also Serotta Ti tandem. Also ridden daVinci (but not their Ti).
You indicate using a trailer, which would eliminate heavy panniers that may not be loaded properly and affect handling in some situations,
If you plan to do lotsa touring, the daVinci gearing system would be the ultimate; and Ti would avoid scrapes and paint issues; S&S would get the tandem into even small planes, cabs, etc. Todd is easy to work with and builds one heck of a great tandem.
It's just a question of $$$ to get what you want.
Just our input . . .
Rudy and Kay/zonatandem
This is a really good point - the Davinci gearing range is without peer, although the independent pedaling system seems to have both fans and critics. To their credit, the pedaling system can be reversibly "locked" and Todd and crew are among the most friendly and helpful people you could deal with.
Also want to emphasize that my comment about powder coating was intended as a practical and durable option for ANY metal bike ... another thought is that you may want pay close attention to clearances for touring sized tires, fenders, trailer mount and disc brake if that's how you intend to use the bike.
Finally, it may be interesting to get a set of panniers and/or trailer first, fill it with YOUR typical load, and then go find some bikes to test ride so you can collect data about your needs/preferences before making a big $$ decision.