Interesting because I have my 2nd Avistar, and I'm planning on making it a taildragger. I think the previous examples will work for you just fine. I intend on putting the axles right in line with the leading edge. Put a piece of ply in front and behind that former. It looks like krossk uses a double pushrod off the rudder servo, one for the rudder and the other for the tail wheel. I'm sure that works fine, but I itend to link my tailwheel to the rudder. If you have your plane balanced correctly and the mains near the leading edge, you should really be OK. I did this same conversion to a Spad Debonair, and it handles better than I expected. Very rare to do a nose over. Just pay attention and use judicious throttle management while taxiing. Landing and takeoffs are pretty much the same.