@Kirky Yep, all sorted thanks, I have now sourced some spares with the correct markings on. and I worked out with the ones I have that if the A & B are or the blades they fit the same as the manual and if the A & B are on the center block I have to put B where the manual says A and visa-versa. I have only had the drone about a month and did the a stupid beginner thing, used it to close to a building so it lost control and scraped the props on one side.
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