i would prefer a single topic with multiple "sevcon specialists" having rights to edit the posts in that topic. that would negate the use of a wiki wich is a lot harder to maintain. but using a forum this way does require assistance from the moderators/admins to create a new usergroup and probably a dedicated forum entry for sevcon people to "moderate" themselfs and keep a clean "information only" topic and a "seek help" topic for example. that would remove the burden of work for mods to police more of hte forum.
it would be a bit of work but copying all sevcon information and questions to a single point in this forum would make it a center for people to learn to use these controllers properly because as we all know how much of a PITA sevcons can be to learn and operate.