Rob Denny said;
| I am experimenting with 'safe', cheap​ wing sails.
|​ Mast method looks good and will be in future plans, although yesterday's effort was a shortcut too far and is in the rubbish.

This is to make it easier to find the info on these.

I have not found anyplace Rob has talked about this before. Can someone tell me what to search for? Whats he talking about?

He promises pics eventually, so yay! Has he ever posted any?