FX Could this be my leak? (Gauge)

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SilentSquirrel

SilentSquirrel

Member
Jun 1, 2019
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The other Washington, United States
Hello members
I'm chasing down a leak on an FX Indy 25
It's leaking at 25B per hour
I have done
- balloon test (negative)
- Snoop solution at all external fittings and at the regulator vent hole
None have found the leak

I'm wondering if the gauge is the problem
PICTURE
NOTICE: at the 0 BAR/psi position there is a screw missing
SEE: the screw hanging out at the 60B position

Could that missing screw be causing the leak?

Thanks
Edward



-

GAUGE & screw.jpg
 
SilentSquirrel said:
Hello members
I'm chasing down a leak on an FX Indy 25
It's leaking at 25B per hour
I have done
- balloon test (negative)
- Snoop solution at all external fittings and at the regulator vent hole
None have found the leak

I'm wondering if the gauge is the problem
PICTURE
NOTICE: at the 0 BAR/psi position there is a screw missing
SEE: the screw hanging out at the 60B position

Could that missing screw be causing the leak?

Thanks
Edward



-

View attachment 563710
Click to expand...
Spray leak detector at that, around the bottle or tube adapter and around the regulator body if so equipped. The balloon on the barrel rules that out. Oh ya check the fill point. Check-valves on probe or foster setups do let loose eventually and have been my most consistent leak source.
 
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All that screw does is secure the gauge dial face. It's not holding air back. I'm not familiar with the Indy but I do know about the gauges and the airflow through them. Have you dipped the gauge in water? It's possible it could be leaking from the bourdon tube in the gauge. That's the only part in there that holds pressure. It's not likely but is possible. Weird you can't track it down.
 
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Gerry52 said:
All that screw does is secure the gauge dial face. It's not holding air back. I'm not familiar with the Indy but I do know about the gauges and the airflow through them. Have you dipped the gauge in water? It's possible it could be leaking from the bourdon tube in the gauge. That's the only part in there that holds pressure. It's not likely but is possible. Weird you can't track it down.
Click to expand...
The bourbon tube is one i overlooked as well, and have suffered from failures of. GOOD CALL!
 
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Gerry52 said:
All that screw does is secure the gauge dial face. It's not holding air back. I'm not familiar with the Indy but I do know about the gauges and the airflow through them. Have you dipped the gauge in water? It's possible it could be leaking from the bourdon tube in the gauge. That's the only part in there that holds pressure. It's not likely but is possible. Weird you can't track it down.
Click to expand...
Thanks @Gerry52
Knowing from you that the gauge screw cannot be a leak point I will go back and test the connections again.
Your advice most appreciated
Edward
 
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Gerry52 said:
All that screw does is secure the gauge dial face. It's not holding air back. I'm not familiar with the Indy but I do know about the gauges and the airflow through them. Have you dipped the gauge in water? It's possible it could be leaking from the bourdon tube in the gauge. That's the only part in there that holds pressure. It's not likely but is possible. Weird you can't track it down.
Click to expand...
I just changed an RTI gauge that was leaking through the vent hole in the side, gauge was also stuck at 200 bar.
 
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K.Diante said:
I'm honestly no help on the leak issue, just excited to hear from someone that still owns an FX Indy! I've been trying to hunt onw down for myself but haven't had any luck. Are you able to share any on your experience with it, or a view highlights maybe?
Click to expand...
@K.Diante
I am new to the Indy, and the Indy is new to me.
But also have an Independence 22.
With its Smooth Twist Barrel, it is extremely accurate
And very quiet
It's currently tuned to 3 shots at 34 ft/lb before being repumped
Which is how I like to shoot it (1,2, or 3 shots then pump) rather than run down the small tank.
However, it is a heavy gun.
Certainly not a "woods walker"
But it does sit nicely on the forearm rested hand
Perfect for my use shooting from a number of different stationary positions in protection of the mini-orchard

The new (used) Indy 25 should be as accurate
I've not scoped it yet because I want to find the leak
I chronied it at 42 ft lbs (factory tune).
It is also lighter than the Independence
And feels as if it might be well balanced enough for off-hand shooting (I hope)

Hope this keeps your interest in the platform alive
Edward
 
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Gerry52 said:
Keep us posted on progress (or lack thereof). The Indy was an interesting concept. Halfway between a "springer" & a PCP. Never seen the insides of one.
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Actually, you do know the inside of one very well @Gerry52
The Indy & Independence use the same block and innards as the Royales, with a pump in place of the bottle
Smooth Twist barrel too
The pump however is a piece of design ingenuity.
Fingers crossed that I never have to take one apart

And yes, I will post success or failure
Rechecking everything is needed.
I thought the leak was minor and came to a slow stop around 125B
Until I tapped on the gauge and it dropped to 50B that is.

More to come as things progress/degrade

Edward
 
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SilentSquirrel said:
Actually, you do know the inside of one very well @Gerry52
The Indy & Independence use the same block and innards as the Royales, with a pump in place of the bottle
Smooth Twist barrel too
The pump however is a piece of design ingenuity.
Fingers crossed that I never have to take one apart

And yes, I will post success or failure
Rechecking everything is needed.
I thought the leak was minor and came to a slow stop around 125B
Until I tapped on the gauge and it dropped to 50B that is.

More to come as things progress/degrade

Edward
Click to expand...
I've struggled with the odd leak, that only became evident when the action was immersed in water. Some will consider that to be radical, but it has worked well for me on a number of occasions. Drying by a blast of shop air and some anticorrosion spray handles any corrosion concern.
 
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Normkel said:
I've struggled with the odd leak, that only became evident when the action was immersed in water. Some will consider that to be radical, but it has worked well for me on a number of occasions. Drying by a blast of shop air and some anticorrosion spray handles any corrosion concern.
Click to expand...
No insult implied or intended @Normkel
I would sooner throw my first born into the freezing waters of the North Atlantic than immerse an air gun
 
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