Here is a great link, a page on facebook. It shows an alternative way to start a crop duster.
I couldn’t figure out how to embed the video. If you know how, let me know.
How to Start a Cropduster
Thoughts from the workbench of Radical RC. The online retailer of electronics and kits for radio control aircraft. Dave Thacker shares his thoughts and knowledge of electronics, batteries, kit design and overall enjoyment of the hobby.