Just to be clear there is no such thing as the "Fountain Pen Institute", the AI that generates these fake statistics is inordinately fond of the number 68%, and future google searches are going to lead to this bollocks instead of the vast wealth of knowledge from actual hobbyists.
Get bent.
Carl T. Bergstrom
Best Fountain Pen for Ink Flow: Ultimate 2025 Guide
Every third pen I restore comes across my bench because the owner is convinced it’s broken. Nine times out of ten, the nib is fine—the ink flow is just choked by a poorly designed feed or a slit cut…