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Old 03-12-2015, 03:36 PM   #1 (permalink)
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Input on custom Delrin Pump Handle

Here is a prototype that my friend made based on BigOldschool's original design. I'm looking for some Input on ergonomics and design before he cuts them with Delrin or HDPE.



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Old 03-12-2015, 03:38 PM   #2 (permalink)
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How does it feel in your hand? I like BOS design because the extra meat allow for better grip when pumping.
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Old 03-12-2015, 03:42 PM   #3 (permalink)
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Compared to the stock handle the raw AL feels slippery and it'd be worse with paint.
Perhaps some side Gills would help. A little longer would help too
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Old 03-13-2015, 09:51 AM   #4 (permalink)
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If possible, I would start by leaving the main groove ends like this one,



It helps you feel where you are on the pump and can catch when you slip. I like to leave something on the front to put a finger on, like an edge or flat. Not as often, but regularly I like a little edge or flat on the back to just put the tip of a finger or thumb on when lining up a shot.

I guess my point is that bevels and grooves look good, but your hand finds the edges on small handles. Maybe look at one large vertical groove in front and one in the back. I don't normally hold the main groove on both sides, so a vertical groove on each end would help me locate my hand.
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