Knex V8 Engine

made this one awhile ago. this was my first attempt at making an engine out of knex(although its the revised version). its a 32 valve, dual overhead cam v8 with a roots type blower. this started out as a simple piston/block assembly for my engineering project in order to demonstrate torque/horsepower relationships. however, i kept adding on as i had plenty of pieces left over. turned out pretty cool.

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    31 Discussions

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    jente105

    8 years ago on Introduction

    hello i'm a dutchman, how build you the valves?
    post the instructions.

    jente105

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    KNEXFRANTIC

    9 years ago on Introduction

    that is AWSOME but what does john lenon have to do with an engine.

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    Sun Gear

    10 years ago on Introduction

    i made a 4 cylinder engine. the valves do open on time all the time with the cylinders. have yet to post because im adding some very cool "extras". i think the valves dont open on time with the cylinders on this video from what i can tell.

    4 replies
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    viper2788Sun Gear

    Reply 10 years ago on Introduction

    yea it doesnt. i had it set up originally but the chain broke off a few times and i didnt bother to set the timing again. even so, i was forced to make a 2 stroke instead of a 4 due to the lack of gear ratios knex offers. i believe you can make a proper 4 stroke using some gray wheels and rubber bands... but it was out of my scale. well, i'll look forward to you post!

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    Sun Gearviper2788

    Reply 10 years ago on Introduction

    ya i know what you mean. i had the same problem be fore. and i didnt know it was a two stroke. good luck.

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    stinger0410

    10 years ago on Introduction

    hay when r u gonna post the turbo cause i've tried to make one but i keep failing

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    knektek

    10 years ago on Introduction

    this is a great motor ! but, the output (the place where the car will be powered) you could replace the red cogs with something smaller, mayby?