If I may say, it is likely that the cost of getting yourself there and gearing yourself up with nice shiny stuff will exceed the money you raise.
Your money could have gone to charity instead of having sponsors fund your UK/Euro holiday.
That said, best wishes for your otherwise exciting adventure.
List at the end here of various crossings.
en.wikipedia.org/wiki/English_Channel Kite-surfing, wind-surfing, kayaking are not mentioned, though children in dinghies (aged from 7 years!), are.
