Contents

How much does it cost ? Why don't they go straight? Where's the radio? Why do they stay in the air for so long? Is it difficult? How long did you spend doing it? So many questions that do not call for an answer here but show the reactions of the public during our demonstrations, our competitions.

Learning at your expense can be avoided... Failure sometimes leads to discouragement and abandonment. There is no question in this booklet of saying everything, of settling everything. Publications have been made on the subject. It was possible to make a series of references to these publications… already old M.R.A. issues, which those concerned do not always have.

Here is my "APPROACH". The methods don't claim to be the best...hopefully waiting for better, they are, or have been the best...for me.

Jacques Delcroix