Tag: Lego Pneumatic Engine

Pneumatic Mine

A Pneumatic mine, featured single pneumatic engine, oil pump jack and sliding trolley with ball contraption.

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SteamPunk Pneumatic clock

A 3 hand clock, powered by a pneumatic engine with a Steampunk design. Include building instructions.

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Hot Bulb Pneumatic Tractor

A lego pneumatic tractor based on a hot bulb engine Lanz tractor. Features drive, single pneumatic engine, adjustable ignition point, steering and suspended seat.

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Harley Davidson

A Harley Davidson, features handle, softail and springer suspensions, transmission and chromed big block V2 engine.

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A new tool : LPEtools

This new tool has been designed to help builders to know more about their Lego Pneumatic Engines. LPEtool manages all the important data : type of cylinder, number, switch, modified or not, dimensions… The tool calculates the maximun power (at maximun speed and pressure) and the average torque which varies with the rotation of the crankshaft.

LPEtools, version 1.0 may 2011

For instance, this classic LPE with 1 cylinder provides 1.3W of power whereas the Nicjasno’s 8 cylinder big block provides 100W, that is surprising but with 1500rpm and 6 bars of pressure, it is quite normal. If you have comment, question of suggestion, feel free to comment in this post.


Single Cylinder Engine : Now With Building Instructions

Lot of people ask me to create the instructions of this basic-working smooth engine, so I did. You can download the High Definition PDF or watch the pictures.

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LPE3i

My version of LPE3i based on scotch yoke system (original ideas from LPEpower) but with new switches ! It works smoothly at 200RPM with 4 hand-pumps and without friction (thanks to the scotch yoke).

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Pneumatic Manipulator

A second test for lego pneumatic engine : a manipulator with rotating superstructure, lifted arm and claw. Powered by simple LPE.

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