Quote:
Originally Posted by TubaMorg
There is no rule against placing solenoids in parallel. However, at some point the parallel paths must meet at a single point, thus nullifying any perceived gain in flow rate. Alternatively, the parallel paths would lead to different components, again nullifying any perceived gain in flow rate.
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Cv works like a resistor in an electrical circuit. By putting them in parallel you get the familiar
1/Rtot = 1/R1 + 1/R2
So the resistance to the flow of air through two solenoids is half that of just one.
The same goes for hoses. There's a lot of skin friction and turbulence going on in the hose, so even though it finally goes in to the same point you've reduced all that friction.
You've find a good explanation here:
http://www.hydraulicspneumatics.com/...se/21595/Issue
Give it a try. We did lots of this testing to make our catapult in 2008.
Good luck!