Hybrid Flevo Tandems

John Vrielink's remarkable Flevobike gave rise not only to a host of variations in single bikes, but also to several experimental tandems. I've never seen a Flevobike, much less one of these interesting tandems. My friend Adam down at Planetary Cyles is the only person I know who's tried to ride a Flevo. I gather that even the most accomplished cyclist needs lots of time to acclimate to the Flevo leg steering system. Adam gave up after half an hour. The difficulty must be compunded on a tandem. Here are a few Dutch homebuilt tandems using a Flevo front end: