Today I made a measuring wheel. It's a very old tool used to measure curved surfaces that a regular rule can't. It's a quick project and can be made simply or 'dressed up'.
Today I made a measuring wheel. It's a very old tool used to measure curved surfaces that a regular rule can't. It's a quick project and can be made simply or 'dressed up'.
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looks like a great pizza cutter
Drew
2020 Northfield 4th Gen F5
2022 Northfield NFS-F5E
2019 Northfield Flat Top Octave
2021 Gold Tone Mando Cello
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Or you could simply buy one of these - https://www.amazon.co.uk/Keenso-Outd...ag=googhydr-21
That's no fun.
Bill
IM(NS)HO
I have one of these that I bought many years ago (earlier model) for work to compute stream distances from USGS topographical maps. It would work great for luthiery but I've only used it one time. They are obsolete in map work -- these days you just go to your computer and click on the link to your geographic information system.
Bernie
____
Due to current budgetary restrictions the light at the end of the tunnel has been turned off -- sorry about the inconvenience.
This is the blacksmith version from antiquity. It is called a traveller. This one has one notch, and partial revolutions are marked with chalk. It is the practical alternative to string when measuring a carriage or wagon wheel for an iron tire. Practical since it works on hot iron without burning up! The tire is welded up from strap metal, a trifle small, then heated in a large fire to expand, and dropped onto the wood rim. When it shrinks down, the wheel, its felloes and spokes are permanently compressed into a tough, tight assembly. I’m not sure, but I believe smaller versions were used by other trades.
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