Hi Peter , Thanks for the extra pictures. I have uploaded them and will have a look at them later on. Seems I have now quite a lot of study material. Will take some evenings to look at the decently. Only whished I could have been there and see it myself. Regards Wilfried Vermeiren http://users.skynet.be/modelbouw.wilfried MODEL ENGINEERING DISCUSSION LIST. To UNSUBSCRIBE from this list, send a blank email to, modeleng-request@xxxxxxxxxxxxx with the word "unsubscribe" in the subject line.