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  1. K

    African air ordinance Texan 257

    Yeah right..... Bollocks.
  2. K

    African air ordinance Texan 257

    An engineer told me that you need to know three things: 3 things you can do that need additional work on PCP airguns: #1 - Increased barrel length #2 - Increased bottle pressure #3 - Improved valve power and efficiency. how would this be possible and how would you do this yourself. thank...
  3. K

    African air ordinance Texan 257

    interesting. what valve, firing at 4500 psi? it's a tough force. the limit is 200 bar. bottle filling 250 bar. if you could shoot a texa 257 at 4500 psi that would be high velocity. awesome 4500 psi feed pressure. Really. for sale is an Airforce Gunpower Larger Plenum Regulator. I was thinking...
  4. K

    African air ordinance Texan 257

    se on hyvä asia. kertoi paljon. Kiitos. 7000 psi on kova. 482 bar on korkea paine. Etsin tehokasta airforce texan 257 pulloa ja kestävää venttiiliä. venttiili kestävä. että se kestää painetta. syöttö kovaa. Etsin näitä. 457-venttiilin sisällön laittaminen 257-venttiiliin auttaisi. syöttö...
  5. K

    African air ordinance Texan 257

    😀❤❤❤ 😀❤❤❤❤
  6. K

    African air ordinance Texan 257

    And, what would be the 257 output if the valve was 0.457 caliber?. pressure supply to 257 barrels. bottle max pressure 1020 bar. 14,000 psi = 965 bar. 14,000 psi supply. how to get the durability of the valve?
  7. K

    African air ordinance Texan 257

    I was thinking of the bill where 1-7 was 120grain smk, 130grain nosler spitzer. 140 grain smk. 155 grain smk. 6.5= 155 grain 1007.5 fps. if this is true when 140 was 910 fps. 1-7 was 155 grains. that theory strong bottle. I know a bottle that can withstand a maximum of 1020 bar. a good valve...
  8. K

    African air ordinance Texan 257

    now I understood. 70 grain pellet. 257420 mold that's it then. An engineer told me that you need to know three things: 3 things you can do that need additional work on PCP airguns: #1 - Increased barrel length #2 - Increased bottle pressure #3 - Improved valve power and efficiency. how...
  9. K

    African air ordinance Texan 257

    I repeat that Waste of money. The 257 valve is a 308 valve. interesting. you can make a 257 valve a 308 valve. How?. it would be good if I could get a 308 valve for the 257 texa rifle. great. I am a Texan 257 caliber air rifle beginner. how could I make 257 more efficient. what should be done...