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Lookin at the tube in your video caused me to ask a question. Are polished interior surface tubes or non-polished tubes better? When I say better I mean in regards to the amount of friction resistance on the dart. Hmmm.
 

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Discussion Starter · #6 ·
Lookin at the tube in your video caused me to ask a question. Are polished interior surface tubes or non-polished tubes better? When I say better I mean in regards to the amount of friction resistance on the dart. Hmmm.
You know I was thinking the same thing... I had in mind a glass tube may work well... just have to think of a way to protect it from breaking :) maybe a copper tube wide enough for the glass to be inserted... anyway its just a thought not sure if it will go further than that.

LGD
 

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The reason I asked is that it seems that friction is often reduced on non-polished surfaces. As an example, it is usually easier to slide an item across frosted glass than standard polished glass.
I could see this but on the flip side a non polished surface would allow more air to pass around the dart. Less friction but also less of an air seal. hmmm Looks like we may have a lot of experimenting to do.
 
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