Youde Goblin

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Thraizer

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Apr 22, 2012
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I've had mine for almost a month now and I do like it except for the annoying fill screw leak. So I made my own damn fill screw :D The first screw is the stock fill screw, the middle screw is what I started out with, and after a few minutes on the bench grinder with a fine stone and some test fitting, the final fill screw. Notice the taper I made on the new fill screw, it pretty much acts like a tapered plug. There's nothing wrong with my stock fill screw but the machining on my goblins fill hole sucks, there's barely a lip on it for the stock screw to sit and seal properly. Tapered fill screw works for me.
Quick test, I loaded the tank with water since its a very thin liquid and if it does leak it would leak right away. With the airflow ring removed I covered both airflow holes and pressurized the tank and no leaks from the fill screw! vacuum test no drip tip straight up tail piping and didn't see any bubbles coming up where the fill hole is located at. Happy with it so far.
 

Btsmokincat

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Oct 10, 2013
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Just curious, don't own a goblin, but the Lemo uses a standard phillips flat head fill screw. The fill hole is not even countersunk....the taper of the screw head just seals against the fill hole entry. Wouldn't that work on the goblin or would it protrude down too far?
Nope it would protrude out preventing the goblin from sitting flush on a mod.
 

EddieAdams

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Feb 16, 2013
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Got a O-ring out of a lighter. Someone suggested earlier. Standard cheapy lighter that runs out of flint before gas. There were two O-rings, used the smaller of the two stretching it over the screw.

Seated nicely but, the screw now didn't sit flush. Just sanded (dremel)it down and it's perfect....

Mine didn't leak until recently...Very odd....
 

Darryl Licht

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Jan 19, 2015
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I've had mine for almost a month now and I do like it except for the annoying fill screw leak. So I made my own damn fill screw :D The first screw is the stock fill screw, the middle screw is what I started out with, and after a few minutes on the bench grinder with a fine stone and some test fitting, the final fill screw. Notice the taper I made on the new fill screw, it pretty much acts like a tapered plug. There's nothing wrong with my stock fill screw but the machining on my goblins fill hole sucks, there's barely a lip on it for the stock screw to sit and seal properly. Tapered fill screw works for me.
Quick test, I loaded the tank with water since its a very thin liquid and if it does leak it would leak right away. With the airflow ring removed I covered both airflow holes and pressurized the tank and no leaks from the fill screw! vacuum test no drip tip straight up tail piping and didn't see any bubbles coming up where the fill hole is located at. Happy with it so far.

That had to be a bear to hold that small screw steady using a bench grinder! Nice job bro!
 
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