Thanks PepsiMike.

There are many ways to build these things -- and between the German, UK and now Australian sites referenced in this thread, along with all the US experience and the Composite-ARF draft instructions there is a great base of knowledge to call on. I certainly found it all useful.

I am also encuraged that the problems I thought I had in my kit are being experienced elsewhere -- and assume Composite-ARF are taking them on board -- or someone will have to write the definitive : 10 warnings you should read to keep out of trouble on building an Impact!!

They are minor in the scheme of things -- but still traps that could catch builders out.