Lego Technic - Pritz Hatchet Polar Planimeter

Modified polar planimeter of pritz concept.
More at : www.nico71.fr/p...
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[@gabrielriutort]

OMG this is superb, I got a 60's device for doing this without computers, I didin't figure Lego can do it too with this precision!

[@Nico71Fr]

I will ! The indise is very simple. Le arm is connected to a 40tooth gear which drive a 8t and the cursor. Just simple ! But the lenght of the arms, the axle and the position of the wheel have a big importance. Stay tunned to the facebook page !

[@AminalCreacher]

That’s amazing! I never would have guessed that area could be gathered from the motion of a single liftarm. What a brilliant way to find the area of analog maps too.

[@Brickobot]

This is such a beautiful piece of engeneering!

[@WiperTF2]

You are a genius :D!

[@dualite9045]

Could you do instructions? :-)

[@PhiloYT]

I am really fond of your mathematical contraptions ;) This video is especially demonstrative!

[@pikachu-ge7eh]

Good one..... First knowing that there is a such genius tools

[@Nico71Fr]

You will stay tunned to my blog :)

[@HA7DN]

You are a very very big lego fan.

[@markattree8614]

a beautiful thing. For the geeks out there it's an application of Green's Theorem.

[@DesignJunkie58]

Wow, how'd you come up with something like that, and actually build it to work! great.

[@Tsaukpaetra]

That is overly awesome!

[@IgnacioR]

Amazing!!!

[@RandomDigits]

Finally a Lego contraption here I have the parts to make :)

[@p0k3c]

Super

[@ufoengines]

COOL!

[@wanglydiaplt]

Very nice!

[@Sjoe96Lego]

awesome!

[@ehrenmurdick]

dont get me wrong this is cool, but the music is way more excited than I am about it

[@Nico71Fr]

Hello, yes, it is an old video, from an era where we could not choose between many music without having problems.

[@Simon11PL]

amazing

[@albula642]

This makes me wonder. Does it work if you start the measurment counterclockwise (Opposite of now)

[@jujuteuxOfficial]

it should but may be negative

[@albula642]

@@jujuteuxOfficial 9 years later, thanks

[@jujuteuxOfficial]

@@albula642 oh damn i read it as "9 days"

[@stevematson4808]

COOOOOOLLLLL

[@Kresimirf]

really god one, keep on ;)

[@ziggi231]

How to make instruction please!

[@maddride]

how does it work? never heard of it

[@michaelcottajr8557]

It works based on Mathematical principles. In multidimensional calculus you learn about something called Green's Theorem which relates the area of a 2-D shape to the path which outlines it. As long as the path doesn't cross itself(think figure 8) and ends where it begins it will work.

[@Triarcs]

Tu ne devrai pas plutôt utiliser une roue plus fine, afin que lorsqu'elle tourne elle le fasse bien en son "centre de la surface de contact"?

[@kormakurjonsson4191]

it looks like a super long mk 1 tank

[@stargazer5000]

cool, can you make the tutorial or instructions. please?

[@Nico71Fr]

Liberty Epic It is already done, check my blog for that :)

[@Erikboer123]

Can you pls make a vid how to make it!

[@karolmajster]

zrobiłem podobne i to naprawde działa

[@chotenque6877]

WOW

[@davidellis3120]

How do I get instructions?

[@Nico71Fr]

Follow the link in the description and click on download PDF instructions.

[@rammysato4812]

eu não tenho a engrenagem de 40 dentes, como eu faria, e adorei seu blog!

[@spaceofgrace736]

please do tutorial

[@telefon72]

what if i dont have facebook?

[@kubakol12]

looooooooool :D

[@nylar4000]

haha sweet

[@geekaboo14]

Apparently you since you're making a big deal out of it

[@legotechnic27]

you are fucking ginius :D

[@geekaboo14]

First view