My son purchased a scooter at our local village jumble sale for £1.
On the front it has a sticker that says 'Warning: product moves when in operation. Use common sense'
So I fitted a pulse jet to it.
I have been trialling it on propane but it is not behaving yet. I may need to redesign the valve to let more air in. Eventually the plan is that it will run on petrol. Oh and my son is 7 so it will be for daddy to ride only, but he is enjoying the build