Excellent advice here guys....
Tom you are so right, we should all take a step back many timea and remember that there was a time when we were all inexperienced and ignorant of some things and because someone else cared enough to share their knowledge we were educated about the things we didn't know.
This is b far the best forum I've ever had the privilege of being a part of and the reason it's the way it is and so great is because of all the great people that are here and most of all because of the excellent first class Moderators and of course the best Administrator.
Your in the midst of a great group of people here Toothy and we will help you any way that we can to help you create a safe and reliable motorized bicycle, read read read, and remember the only dumb question is the one not ask especially when it comes to things that can determine safety.
Best wishes on your bike.