sorry Mrod .25, you did say what you were using it for.
I have been working on a Falcon FN19 this weekend and thought this might shed some light regarding a regulator (I have 4 HUMAs working well). Without a regulator my best shot string is 561-571 fps for 16 shots; a 10 fps extreme spread, but............ only 16 shots. Trying to get the maximum consistent shots forced me to drop the speed (under 880 which was where I was hoping to set it). If I fillled the reservoir above 2700 psi (3000 psi) the valve became overloaded and the first 4-5 shots were around 530's. The last few shots after 561 were in the low 550's. Using a regulator, I might be able to gain a few more shots at both ends of the string. I could probably fill to 3200 psi (before overloading the regulator) and pick up a few more shots as the regulator would prevent the valve from being overloaded. I would like to get around 30-32 shots. Even if I got 24 shots, thats 3 mags for this rifle with a small air cylinder.I was able to achieve 32 shots (four mags) with my .25 Marauder which I'm sure you know gets 16 shots from the factory. Addertooth and Dairyboy were able to get 40. Unfortunately adding a regulator to a Falcon would require drilling a hole which I would prefer to send out!. I hope this is helpful and not too basic.
HUMA is gaining a Lion's share of the market and has very good support.
Best of Luck with your project,
Doc
I have been working on a Falcon FN19 this weekend and thought this might shed some light regarding a regulator (I have 4 HUMAs working well). Without a regulator my best shot string is 561-571 fps for 16 shots; a 10 fps extreme spread, but............ only 16 shots. Trying to get the maximum consistent shots forced me to drop the speed (under 880 which was where I was hoping to set it). If I fillled the reservoir above 2700 psi (3000 psi) the valve became overloaded and the first 4-5 shots were around 530's. The last few shots after 561 were in the low 550's. Using a regulator, I might be able to gain a few more shots at both ends of the string. I could probably fill to 3200 psi (before overloading the regulator) and pick up a few more shots as the regulator would prevent the valve from being overloaded. I would like to get around 30-32 shots. Even if I got 24 shots, thats 3 mags for this rifle with a small air cylinder.I was able to achieve 32 shots (four mags) with my .25 Marauder which I'm sure you know gets 16 shots from the factory. Addertooth and Dairyboy were able to get 40. Unfortunately adding a regulator to a Falcon would require drilling a hole which I would prefer to send out!. I hope this is helpful and not too basic.
HUMA is gaining a Lion's share of the market and has very good support.
Best of Luck with your project,
Doc
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