Welcome birger, I don't think you have to worry about you English, I appears better than most of ours.
We would really like to you share with us, some of your works and ideas and don't be afraid to ask any questions you might have.
Have fun here
Birger, welcome! Feel free to contribute anytime! Glad that you joined us. We are here for the fun of it, and to have some commrodery while we are at it. Show us some of your engines, as we never can see too many!