On 16/11/2014 13:48, Stephen wrote:

> You are both saying pressure and yes I am talking about butane lighters.
> Consider this, the pressure differential between the gas cylinder and
> the lighter is equalised within a fraction of a second.

How ? the lighter has a depleted pressure chamber, and only liquid is
flowing from the refiller.

Yes, adding liquid to the lighter gives back a bit of pressure for the
lighter's side, but not enough. The fresh liquid could vaporize to
provide more gas but that transformation requires a lot of heat which is
not available at the refill time.

> Yet still the
> liquid flows after that.
> 
> 


-- 
IQ of crossposters with FU: 100 / (number of groups)
IQ of crossposters without FU: 100 / (1 + number of groups)
IQ of multiposters: 100 / ( (number of groups) * (number of groups))

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