There’s someone I follow on Gaz tube who has done this recently. Can’t for the life of me think who though!!Its an idea I have been pondering on for a few years. I have never seen an opener in the flesh, could it be adapted to wind the TV up and down? Just looks simpler as its 240v and has remotes?
Have you a link?£100 to buy one which is made to drop tv from the ceiling.
But is linkage and bits to take the loading etc.
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Found one even cheaper.