The knowhow to drive land yacht? (9)

I believe the answer is:

roadcraft

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'the knowhow' is the definition.
I don't know anything about this answer so I cannot tell whether this works.

'drive land yacht?' is the wordplay.
'drive land' becomes 'road' (I am not sure about this - if you are sure you should give a lot more credence to this answer).
'yacht?' becomes 'craft' (yacht is a kind of craft).
'road'+'craft'='ROADCRAFT'

'to' acts as a link.

Can you help me to learn more?

(Another definition for roadcraft that I've seen is " driving skill".)

I've seen this clue in The Times.

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