Umarex THE ZELOS IS AMAZING

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Airgun Al said:
What do you consider as "medium size critters"?
Hopefully, the 3/4" plywood and metal that you shot through, were not the SG and the back of a humbucker!
LOL! Nice Epiphone!
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Raccoon to a small pig, 15-50 pounds..... the SG is a Hefagita brand.... Chinese, I bought it off Amazon, it is a very nice guitar, I replaced the pick ups and the tuners and now it sounds and plays great, I have 3 Epiphone SG's also, I like them, bunch of other guitars too...;)
 
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OldVet said:
How big , or what size is the plenum port. The hole where guage is installed is 8 mm , and .22 cal we all know is 5.6mm , and .25 cal is 6.35mm , and .30 cal is 7.62mm these are all smaller than 8 mm.
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One of the issues with flow is right angles. Inline plenum of the same size will be more efficient. Changes in direction cause turbulence and flow is reduced.

Mr. Newton and his laws too...
 
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To all the followers of "THE ZELOS IS AMAZING". I was born on this day June 24th
65 years ago. Yep today is my Birthday
The only thing I wanted for my BD was a Thanksgiving turkey dinner , so we had that it was awesome.! I shot these 5 shot groups at 15 yards in my backyard in the city of Tucson
In Arizona It was 97°F , and I was in the shade with my ZELOS scope is a Spina Optics 6 X 36 X 56 slugs are .22 cal 28 grain Hollow point dish base APOLO. , and these are very clean slugs as they come.Going to watch Dial of Destiny, and relax. This one goes out to all the wonderful people at AIRGUN NATION OldVet Edit : I forgot reg set at 2,000 about 830 average thru chrony.
IMG_20250624_162409.jpg
 
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Ratzy said:
One of the issues with flow is right angles. Inline plenum of the same size will be more efficient. Changes in direction cause turbulence and flow is reduced.

Mr. Newton and his laws too...
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Because all that pressure has only has a split second to enter depending on the lift , and duration of the valve
 
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OldVet said:
Because all that pressure has only has a split second to enter depending on the lift , and duration of the valve
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Why my experiments with plenums are on the AirForce utility platform. Dwell is somewhat adjustable and it is all pretty much a straight line.

Poppet valve guns I'm not sure benefit all that much from a large plenum like the AirForce guns do. Too many variables to really calculate the volume and flow. But the big thing is the poppet valve and how long it is open. They do get some increase in energy but it isn't the same as with the AirForce guns.
 
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Ratzy said:
Why my experiments with plenums are on the AirForce utility platform. Dwell is somewhat adjustable and it is all pretty much a straight line.

Poppet valve guns I'm not sure benefit all that much from a large plenum like the AirForce guns do. Too many variables to really calculate the volume and flow. But the big thing is the poppet valve and how long it is open. They do get some increase in energy but it isn't the same as with the AirForce guns.
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I'm walking on moonshine right now , and it's ever clear what you are saying. I found a Airforce Texan LSS The top hat suggest it is a.308 , or. 257 no way to tell unless I measure. $710 It's holding air. I like it has a 34" barrel just can't afford it . Have A goodnight sir.
 
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