Whilst doing mine I really struggled for a guide to get over the problems I had stumbled across, so I thought I'd try and put it all in one little handy guide...
Step 1: Collecting All The Parts
There are plenty of weird and wonderful ways to go about sourcing your trike and ways of building it, so this is how I made mine and in my opinion, one of the easiest ways...
What you really want is a huffy green machine to start with and a frame
Luckily I already had a bmx front end but you'll want one of these too...
Step 2: Cutting Up And The Big Dilemma
If you haven't already got one I would aim to build one the same. (Feel free to email me for dimensions)
The next job is to cut up. You want to take the rear axle off of the huffy keeping the wheels and axle to one side. The next thing to keep is the front wheel.
This is when I came to my big dilemma! As I wanted to be able to pedal my trike I needed to be able to pedal forwards and coast at the same time. What I did was to cut the huffy forks just behind my bmx forks as in the picture.
These will then be welded in the same position to eventually end up as in the second picture.