Nil Desporandum, Mr. Xenos!!
Don't be put off by the sleek, professional appearance of the work of others.The conquest of the skies cannot be left solely in the hands of the technically competent. That's how the Morlocks and the Eloi started out.
If there is one thing I've learned from watching all those George Formby and Norman Wisdom films, it is that a Plucky underdog with a machine held together by string will always triumph over the supposed might of soulless engineering perfection.
Now, back to the shed with you and get out that twine.