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Trammel of Archimedes

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Project by Andreas posted 06-24-2012 05:50 PM 6932 views 42 times favorited 13 comments Add to Favorites Watch
Trammel of Archimedes
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A Trammel of Archimedes made from walnut and maple. A fun birthday gift for my nephew.





13 comments so far

View Mark Shymanski's profile

Mark Shymanski

5300 posts in 3110 days


#1 posted 06-24-2012 05:58 PM

Intriguing, nicely animated also.

-- "Checking for square? What madness is this! The cabinet is square because I will it to be so!" Jeremy Greiner LJ Topic#20953 2011 Feb 2

View Diggerjacks's profile

Diggerjacks

2083 posts in 2536 days


#2 posted 06-24-2012 06:10 PM

Hello Andreas

A nice project

I have already seen this : A jig to cut an ellipse with a router

Thanks for sharing

-- Diggerjack-France ---The only limit is the limit of the mind and the mind has no limit

View tyskkvinna's profile

tyskkvinna

1310 posts in 2383 days


#3 posted 06-24-2012 06:32 PM

I have been working one of these for myself for a few days now.. :) They’re so intriguing!

-- Lis - Michigan - http://www.missmooseart.com - https://www.etsy.com/people/lisbokt

View TopamaxSurvivor's profile

TopamaxSurvivor

17544 posts in 3073 days


#4 posted 06-24-2012 08:10 PM

Looking good! Gives me an idea for a marble pump ;-)

-- Bob in WW ~ "some old things are lovely, warm still with life ... of the forgotten men who made them." - D.H. Lawrence

View Hawk9's profile

Hawk9

57 posts in 2194 days


#5 posted 06-24-2012 11:22 PM

Ah!! The old BS grinder. First saw one of these back in ‘58-’59. Glad to see it’s still around for another generation. Nice project though.

View gfadvm's profile

gfadvm

14908 posts in 2087 days


#6 posted 06-25-2012 12:32 AM

I posted several of these but I think you have a different design yet. Looks like it works smoothly. The animation is cool but WAY beyond my computing skills.

-- " I'll try to be nicer, if you'll try to be smarter" gfadvm

View Danpaddles's profile

Danpaddles

550 posts in 1709 days


#7 posted 06-25-2012 03:52 AM

Smoke grinder, is how I heard them called. I like the pop rivet idea~ no screws to come loose.

I hate loose screws. Well, aside from a few old friends.

-- Dan V. in Indy

View oldnovice's profile

oldnovice

5602 posts in 2765 days


#8 posted 06-25-2012 04:57 AM

Good job. These are fun to make and you did a good job.

I made one of these out of left over maple, about 25 years ago, and kept on my desk at work. Every time my engineering manager came to my cubical he would pick it up and play with it!

After a few months he finally asked me what this is, or called, and I told him it was a ”bulls..t grinder”! He never put two and two together and now you know why I made it just for him!

These things never get old!

-- "I never met a board I didn't like!"

View syeret's profile

syeret

98 posts in 2713 days


#9 posted 06-25-2012 06:25 AM

Like.

View majuvla's profile (online now)

majuvla

8427 posts in 2264 days


#10 posted 06-26-2012 10:27 AM

Awsome animation.Great project.One of jigs I would like to have in my garage.

-- Ivan, Croatia, Wooddicted

View BigTiny's profile

BigTiny

1676 posts in 2285 days


#11 posted 06-28-2012 06:39 PM

Made one of these in Jr High shop class over 50 years ago. Teacher called it an air grinder back then. PC was in action there I think. I’ll bet he called it something else to adults.

Paul

-- The nicer the nice, the higher the price!

View DeLayne Peck's profile

DeLayne Peck

423 posts in 1599 days


#12 posted 07-02-2012 08:07 AM

These are great for the fidgity folks that visit your office. Or, give one to the “Cranks” in your life.

Nicely done!!!

-- DJ Peck, Lincoln Nebraska. Lord, keep your arm around my shoulder and your hand over my mouth.

View Dave Dufour's profile

Dave Dufour

268 posts in 1376 days


#13 posted 01-25-2013 02:33 AM

Very cool

-- Dave, from Canada, http://simplywoodproducts.ca

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