Ultrasonic measures mit laser dot

Sep 16, 2008 22 Replies

Thanks for all the comments chaps. Popped into Axminster today & spotted a Skil 0525 digital tape

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a play with it & it works a treat, just what I needed & accurate to +/-

1mm.

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Oh, far greater accuracy than you'll need then! :-))

Take 2 strips of 50mm doorstop timber, less thah the alcoves you want to measure. drill a hole for a bolt some way from the end of one. cut a slot along the length of the other to take the bolt. use a bolt with a wing nut and assemble. put into alcve and slide so that the ends are touching the sides of the alcove. Tighten the wing nut. You now have an accurate measure of the width of the cacove which you can transfer to the timber you need to cut

Malcolm

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