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Need Longer Thickness Caliper

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Forum topic by Mike Turner posted 08-12-2019 11:55 PM 542 views 1 time favorited 5 replies Add to Favorites Watch
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Mike Turner

62 posts in 2611 days


08-12-2019 11:55 PM

I love these calipers from Lee Valley but I sometimes need them to be longer. Anyone have a good idea how to make something like them longer? I make flutes and I bore the long hole for the flute sound chamber.Occasionally one will drift a little and if I know this I can allow more wood to be left there when finish turning it…just maybe not turning the flute as thin. Anyhow any ideas would be appreciated . I have the longer set.
http://www.leevalley.com/us/Wood/page.aspx?p=43201&cat=1,43513,43550&ap=1

-- Mike,North Carolina


5 replies so far

View CaptainKlutz's profile

CaptainKlutz

1646 posts in 1949 days


#1 posted 08-13-2019 07:43 AM

Hmm,
Don’t need this kind of tool, but if I did; a single pivot point caliper tool looks easy to make?

Wood:
http://www.homemadetools.net/homemade-bowl-wall-thickness-calipers

If wanted metal set, would use the Sorby design (.vs. Veritas design):
https://www.robert-sorby.co.uk/woodturning/measuring-tools/sizing-gauges-callipers.html

Draw it up, find a fab shop with cnc laser, and have them cut out a couple sets in 10-11 gauge sheet steel, then rivet the pivot point. Done.

Best Luck.

-- I'm an engineer not a woodworker, but I can randomly find useful tools and furniture inside a pile of lumber!

View Mike Turner's profile

Mike Turner

62 posts in 2611 days


#2 posted 08-13-2019 08:26 AM

Thanks!!!!


Hmm,
Don t need this kind of tool, but if I did; a single pivot point caliper tool looks easy to make?

Wood:
http://www.homemadetools.net/homemade-bowl-wall-thickness-calipers

If wanted metal set, would use the Sorby design (.vs. Veritas design):
https://www.robert-sorby.co.uk/woodturning/measuring-tools/sizing-gauges-callipers.html

Thanks!!!!!!

Draw it up, find a fab shop with cnc laser, and have them cut out a couple sets in 10-11 gauge sheet steel, then rivet the pivot point. Done.

Best Luck.

- CaptainKlutz


-- Mike,North Carolina

View Wildwood's profile

Wildwood

2697 posts in 2590 days


#3 posted 08-13-2019 09:20 AM

Most calibers sold to woodturners not really that good for measuring a flute wall thickness.

Some folks just use old metal clothes hangers bent to desired shapes.
Don’t know how long you make your flutes but maybe able to get by with one or two bare brazing rods. Either 3/32” or 1/8” x 21 or 36”’s long. Made of aluminum, bronze or steel available at most welding supply or big box stores. Bare lot better than flux coated brazing rods for your needs.

https://www.amazon.com/Radnor%C2%AE-Carbon-Steel-Welding-Pound/dp/B000TVFUV4

If go to page 21 there is an example of something I would make using either clothes hanger or welding rod. Difference being would use two pieces of drilled wood one fixed so don’t move and one movable along length of rods. Would like one end of rod with very slight bend and other rod might not have a bend not sure.

https://www.ocwoodworkers.com/scripts/plans/upload/Home%20Made%20Tools.pdf

-- Bill

View Jack Lewis's profile

Jack Lewis

474 posts in 1533 days


#4 posted 08-13-2019 04:34 PM



Hmm,
Don t need this kind of tool, but if I did; a single pivot point caliper tool looks easy to make?

Wood:
http://www.homemadetools.net/homemade-bowl-wall-thickness-calipers

- CaptainKlutz

My take on the above. Each rectangle is 1 8.5×11 sheet of paper.

-- "PLUMBER'S BUTT! Get over it, everybody has one"

View Mike Turner's profile

Mike Turner

62 posts in 2611 days


#5 posted 08-14-2019 07:52 AM

Both good ideas fellows.I appreciate it.

-- Mike,North Carolina

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