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  • Users: GerryR
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  1. G

    Umarex Komplete Hammer Spring Adjuster Mod

    I originally changed the hammer spring tension by putting a small slug between the hammer and spring. To change tension I would have to disassemble the gun, remove the hammer-spring assembly and try different thickness slugs. I decided to make an adjustable setup, and this is what I came up...
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    Tuning General Operational and Math Question

    I was just looking at different gun specs and came across a gun that has an 18" barrel, fill pressure of 3625 psi (regulator pressure not specified), and claims 985 fps and 35 fpe at the muzzle. I calculated that the pellet has to be 16 grains for this to happen. Now, my gun has a 23.6" barrel...
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    Umarex Umarex Komplete; has anyone tried to disassemble one?

    Curious if anyone has disassembled a Komplete? Are there any adjustments on the regulator? The only stated adjustment is the trigger pretravel. Any way to change the hammer spring? Just wondering if anyone has ventured into it; I may get curious enough to try.
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    Filtering the Input vs. the Output of the Compressor!

    I came across this on hard air magazine: https://hardairmagazine.com/ham-columns/why-not-pre-dry-high-pressure-air-when-filling-your-pcp/. He talks about filtering the input air vs. the output. It seems logical, and less expensive, because you are not dealing with the high-pressure side. Does...
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    Nuoge Compressor

    I came across a Nouge compressor. It is very similar in construction to the Hatsan Spark except for the power input terminals. Does anyone have any info on the specific model, perhaps a manual?
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    Umarex Umarex Komplete Cylinder Mod

    I took an expended Nitrogen cylinder and modified it to make it refillable using standard air. A simple mod: drilled and tapped the end for 1/4npt screwed in a 1/4 to 18 npt adapter and welded it in. I had a steel street tee and screwed that into the cylinder using Loctite 569. I bought a...