Today I received my back up Wing Sung 3008; it's not as smooth as the previous one, but it's kind of breaking in.
However, I can clearly see through the tank/body of this new pen (as intended for a demonstrator) the empty space and the ink left, whereas it's been nearly impossible with the very first one (which has always looked almost full whichever the ink; Diamine Eclipse here) whose the body is hardly translucent at best. As a consequence, there must be something wrong with the old fountain pen.
New pen above the old one. Both pen tanks are less than quarter full.
The properties of the inks could be different, but I doubt that Onyx Black and Eclipse would behave differently. I thought about ink density, but that's unlikely. Moreover, in this case, Diamine Eclipse would have behaved like Parker Quink (previous ink in the tank).
Does a slight difference of pressure (I doubt it, but with piston filler, it's not impossible) or something in the old pen is broken?
However, I can clearly see through the tank/body of this new pen (as intended for a demonstrator) the empty space and the ink left, whereas it's been nearly impossible with the very first one (which has always looked almost full whichever the ink; Diamine Eclipse here) whose the body is hardly translucent at best. As a consequence, there must be something wrong with the old fountain pen.
New pen above the old one. Both pen tanks are less than quarter full.
The properties of the inks could be different, but I doubt that Onyx Black and Eclipse would behave differently. I thought about ink density, but that's unlikely. Moreover, in this case, Diamine Eclipse would have behaved like Parker Quink (previous ink in the tank).
Does a slight difference of pressure (I doubt it, but with piston filler, it's not impossible) or something in the old pen is broken?
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