Robart's Staggerwing retracts were offered in the same way their Wildcat system was :

Over priced and THEY DON'T WORK AS ADVERTISED.

The word went out on them and the building fraternity quickly responded but altering any thoughts
of constructing a project requiring this gear.

It's probable that Robart won't produce either of them in any quantity...and certainly not until the appropriate
re-engineering is performed.