hi i should have said customer on my last post been a long day .i will ask andy to come on here and say what his finding are on the cc as he does the tecnical work .the price of the turbines from us are what they are listed on joe web site plus posting and import tax .they will be run and tested befor they are sent out the 18lb will be out in a while but need to make shore every thing is ok .look at the trouble the early 12lb was to joe so he is making shore that it is right befor they are sold to the public .what i think is the best way.happy jj flying dont forget any problem with your jj in the u.k contact us and we will help you.