If you guys think about the KR design, the planes were to be as light, simple and inexpensive as possible. ?Also back when Ken and Stu drew up the plans, even boats were still using pulleys for steering. ?The push/pull cables were relatively new to the market for boats and would have been far heavier and more expensive than anything Ken would have used. ?That's not to say they aren't made lighter now and may be just the perfect thing for your plane. ?But that is why they aren't in the plans.
-Jeff Scott Los Alamos, NM