Thankyou very much. I'll check these sections out.
The desired cl range is 0.2 to 0.4 and the tickness to cord can go down to as little as 6%. Leeway angles up to 5 degrees.
Can anyone suggest good foil sections to investigate at very low reynolds numbers, approximately 50,000 please?
I have designed a very beamy, dishy, water ballasted trailerable 9.0 m rocket that I'd like to fit twin rudders to. As a general rule, how far off...