Benjamin Marauder - Relocating Air Gauge

Benjamin Marauder - Relocating Air Gauge

Joined: January 10th, 2011, 2:09 am

May 16th, 2017, 1:14 pm #1

I am planning to help a friend to install a regulator and I am thinking on using the same air gauge hole to install a Huma reg with gauge at that location. That will give him a constant reading of the regulated air. But we need a gauge to read the air tube pressure.

Is there a way to install a front gauge similar to the ones found in the Cricket or Hatsan tubes with a fill adapter?
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Joined: June 22nd, 2012, 7:35 pm

May 16th, 2017, 1:43 pm #2

I had the Robert Lane installed in my Marauder, which then caused the regulator to show the regulated pressure. While this is nice to adjust the regulated pressure it was then rendered useless as I had no idea how much air I had left while shooting.
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Joined: January 10th, 2011, 2:09 am

May 16th, 2017, 2:42 pm #3

My friend wants to have 2 gauges. One for the regulator and another for the pressure tube.
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Joined: June 22nd, 2012, 7:35 pm

May 16th, 2017, 2:53 pm #4

But the only time the regulated pressure gauge will tell you anything is when it has stopped working by going below the regulated pressure at which point it will match the tube pressure gauge.

I just don't see the point in seeing both regulated and tube pressure.
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Joined: January 10th, 2011, 2:09 am

May 16th, 2017, 3:02 pm #5

My FX Impact has it and I always double check to see if the reg is working or if I want to adjust the air pressure.
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Joined: July 11th, 2001, 6:08 pm

May 16th, 2017, 6:48 pm #6

I am planning to help a friend to install a regulator and I am thinking on using the same air gauge hole to install a Huma reg with gauge at that location. That will give him a constant reading of the regulated air. But we need a gauge to read the air tube pressure.

Is there a way to install a front gauge similar to the ones found in the Cricket or Hatsan tubes with a fill adapter?
closer to the muzzle?

Drill the hole & clean it up, push the gauge block with it's orings into position in the tube, & install the gauge. Done

The hole you drill in the tube will not see any high pressure, due to the gauge block & orings, just like the factory setup.

Or maybe I'm missing something?
Last edited by Diamondback on May 16th, 2017, 6:55 pm, edited 1 time in total.
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Joined: May 6th, 2010, 4:26 pm

May 16th, 2017, 8:05 pm #7

I am planning to help a friend to install a regulator and I am thinking on using the same air gauge hole to install a Huma reg with gauge at that location. That will give him a constant reading of the regulated air. But we need a gauge to read the air tube pressure.

Is there a way to install a front gauge similar to the ones found in the Cricket or Hatsan tubes with a fill adapter?
In my book there is no good approach that leaves the gun "clean" in terms of looks without reverting to a non-foster fill port, but it clearly can be done if one wanted to. I just don't know why anyone would bother . . .

I have regulated my .22 and .25 Marauders, and have no issues with having the gauge read only regulated pressure. With my set up and tune, I know I get 4 mags of shooting in the .22, and 3 mags with the .25 - I simply refill after counting to either 4 or 3, as the case may be (also, I have three mags for the .25, so when they are empty the gun needs refilled too).

If I lose count while shooting, I refill the gun before putting it away and it is good to go next time. If I loose count while shooting, I can tell when it is off the regulator by the change in sound, and/or I can confirm it with the gauge that reads regulated pressure.

Having lived with it, I really don't think a second gauge is of any practical value - but I will admit that back when I put the regulator in, I did think I was really going to miss having a gauge that reads the unregulated pressure. I quickly learned it was not needed at all - I would like one if it fit in well with the gun, but not as an add on, and certainly not at the expense of pressure tube volume (by having to add the gauge block back in the tube for a nicely fitted gauge in the stock.
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Joined: January 10th, 2011, 2:09 am

May 16th, 2017, 8:10 pm #8

closer to the muzzle?

Drill the hole & clean it up, push the gauge block with it's orings into position in the tube, & install the gauge. Done

The hole you drill in the tube will not see any high pressure, due to the gauge block & orings, just like the factory setup.

Or maybe I'm missing something?
Not sure my friend wants to drill another hole thru the stock, but doable. Thks.
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Joined: July 11th, 2001, 6:08 pm

May 16th, 2017, 8:59 pm #9

to drill through the stock, just the air tube.

He could also install the second gauge block, but put the male quick connect in it instead of a gauge, then put a gauge at the end of the airtube, where the male quick connect is from the factory.

I do like the idea of a gauge at the end of the tube, with a fill port along side it, like some airguns have.
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Joined: January 10th, 2011, 2:09 am

May 17th, 2017, 11:38 am #10

I am planning to help a friend to install a regulator and I am thinking on using the same air gauge hole to install a Huma reg with gauge at that location. That will give him a constant reading of the regulated air. But we need a gauge to read the air tube pressure.

Is there a way to install a front gauge similar to the ones found in the Cricket or Hatsan tubes with a fill adapter?
... an air filter? While I kinda like the idea of putting the gauge up front where the fill nipple is, by installing the fill nipple at the gauge block will allow unfiltered air get into tge tube. Or not?
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