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6mmm/s, a kinetic energy meter

by FMMT666, published

6mmm/s, a kinetic energy meter by FMMT666 Sep 28, 2012

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9644Views 1073Downloads Found in Electronics
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Summary

A kinetic energy meter for pea, foam dart or airsoft toys.

Instructions

As simple as it can be:

Feuer frei, goodbye (-;

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9644Views 1073Downloads Found in Electronics
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Any idea what is max speed it can measure ?

It's limited to 350m/s.

Thank you for reply.
I'm planing to build one for airsoft gun.
Any idea how accurate it is?

Dec 19, 2015 - Modified Dec 19, 2015
FMMT666 - in reply to DennyNC

If built as provided, it's less than +/- 3% absolute (within -10..+40°C), long term.
Short term much better, about 1%.
(assuming straight trajectories :-)

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