any input you said...mine doesnt really totally answer your questions but maybe it'll be useful somewhere.

i like stretch cord...pulled tight.instead of cable. Block your pedals
so they can only slide back(aft) a couple inches from full forward.

end result is the rudder stays centered if both feet are off the pedals.
and stays centered if both pedals are pushed forward all the way.

to turn the rudder only takes lifting off one pedal a little.

there are drawbacks i guess. if you are always pushing aginst the tension of the
cord your feet might get tired after a few hours..but its not like its huge tension.

also the force of high current might overcome the tension of the cords at times and turn your rudder...i havent had that
problem yet.

: Have purchased a very nice Stellar Kayaks surfski footbrace system.
: Am curious as to how people have rigged these to allow for
: adjustment and not have to constantly readjust cables. I am
: considering: 1) cables from peddles to the cockpit tied with a
: taughtline hitch to dyneema to the rudder or 2) a long loop from
: the rudder through one foot brace peddle to a padeye on the
: forward bulkhead back through the opposite footbrace peddle to
: the rudder.

: Any input is very welcome. Will be glassing the interior hull and
: deck this weekend so will be moving to outfitting soon.

: Thanks,

: t.s.