No the side of a Co2 dragster does not need to match the have to fit.
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To start a co2 dragster, you just simply shoot the co2 canister and then the co2 dragster will go.
A model CO2 dragster involves the same principal forces as a real dragster. A model CO2 has mass, thrust, friction and drag, which are also the main components of a real dragster.
Penis
small
a teardrop shape
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the nose
Band saw, sand paper, and a Drill that's pretty much it
drag
Foam padding with a blanket and a pillow.
Co2 dragster kits can be purchased at many hobby shops. These kits will come with detailed instructions for building as well as all the parts you will need to do so. By aiming to build the lightest dragster possible, potential speed capabilities can be increased exponentially.