Re: A crank started car
My second father in law had a collection of old tractors and a few springs I went out to help him give them their annual start up. I was chosen then because I had experience prop starting aircraft. Both require all of your concentration if you want to stay safe. Starting the old tractors with a crank wasn't very physically demanding, the compression wasn't very high.
In fact, if you can saw a penciled line, apply glue, drive nails, and bring a modest measure of patience to the task, you can build and launch a smart and able craft in as few as 40 work hours. You need not be driven by lack of tools, materials, skills, or time to abandon in frustration a project you conceived in a spirit of pleasurable anticipation.