Hi Nigel,Glad you like it The Sherpa's still going great thanks. I often want a begigr bike, mostly so I can load it up and go places (touring etc) but the Sherpa is just so good in traffic for my daily commute. I'm not sure if the minister for finances' will approve my two bike solution!Good luck with the Duck, I hope yours flies as well as mine does! I used standard servos in mine and still needed to add LOTS of lead to get the CofG right. I'm afraid I don't know how much though, guess I should have weighted it. I wouldn't be too concerned though, it seems to be a very efficient aerofoil. I've had it on the slope in marginal conditions and it outperformed a Canterbury Sailplanes Jazz Xtreme which was built lighter than the Duck. Not only did I stay up on the slope, I caught a thermal with her and specked it out!!!As for quick setup tips, the things that spring to mind are CofG and control throws. I set it up according to the manual (if memory serves) then taped a 50c coin to the nose as insurance for the test flights. It was gradually moved back to the recommended CofG and then removed.I've found it very sensitive in pitch which is normal for flying wings I guess. I keep it on low rates because it'll give a high speed stall too easily on high rates. That's a sign I need to change my Tx programs. The only other suggestion I can come up with is to set your linkages to use the innermost hole on the servo and outermost hole on the horn that will still allow sufficient throws. Therefore avoiding using the Tx to reduce throws. That way your servos won't be working as hard and you'll get the best resolution possible. Of course that holds true for ailerons but you'll still need to use the mix programming to reduce elevator throws.I should go measure my throws and weigh it so you'll have some usable info. I'll send you a message if I can get organised and measure / weigh it for you.Cheers, Aidan.