What is the minimum rotor control cable size for a 250 ft run to a Tailtwister? Allen Ross Brier, N5XZ SET BriTech Systems Incorporated NICET Fire Alarm Level IV NICET Sp. Hazards / Sprinkler Systems Level I 1515 Windloch Lane Richmond, Texas 77469-2553 (281) 342-1590 (281) 342-0940 (FAX) (713) 705-4801 (Cell)