Re: New old guy
Welcome to our community. You'll find quite a few of us who will never see 50 again, or 60 for that matter. Check out the 'For Old Guys Only' thread. You'll probably fit right in there.
Good luck with your motorized bicycle project. There is a world of information here in our 'search' feature or if you need specific help there's always someone to offer advice.
Age and Treachery Will Always Triumph
Over Youth and Skill & "Charlie Don't Ride"