Yong Heng owners

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  • John from MD

    American Patriot
    MDS Supporter
    May 12, 2005
    22,735
    Socialist State of Maryland
    You should quick run out to the nearest church or synagogue and say some prayers of thanks. You were just a few milliamperes away from the big zap. ;)
     

    shootnfishndorf

    Active Member
    Mar 17, 2016
    338
    Waldorf
    Pumped up my buddy's air tank today with no problems....3K. Maybe it was the ground...maybe his house circuits are poo...maybe a combo of both...either way...it is still running. It is a small tank...so only about 2 minutes or less of run time...
     

    JRisBundyboyz

    Active Member
    Nov 23, 2007
    142
    Bel Air
    I’m about to buy a compressor and I think I’m going the yong heng route. I’ve had access and borrowed the Hatsan spark clone, but birthday is coming up.

    I’m also looking into 45-60 minute scba tanks

    What I read about the oil is, not so much dirty but shavings in it, what does the a magnet yield?
     

    John from MD

    American Patriot
    MDS Supporter
    May 12, 2005
    22,735
    Socialist State of Maryland
    I’m about to buy a compressor and I think I’m going the yong heng route. I’ve had access and borrowed the Hatsan spark clone, but birthday is coming up.

    I’m also looking into 45-60 minute scba tanks

    What I read about the oil is, not so much dirty but shavings in it, what does the a magnet yield?

    I haven't had any metal in mine and have changed the oil several times. I started using the purple oil after I broke it in.
     

    ESP

    Member
    Nov 21, 2012
    66
    Maryland
    Consider getting the tank 1st (assuming you don't have one). If you only shoot occasionally you may find you don't mind a trip or two to a dive shop every month for a refill. If you need to fill the tank more than that, then a compressor is in your future.

    On a side note: Does anyone know of a dive shop that fills to 4500psi?
     

    BigTinBoat

    Active Member
    Jan 12, 2016
    335
    Eastern Baltimore County
    Consider getting the tank 1st (assuming you don't have one). If you only shoot occasionally you may find you don't mind a trip or two to a dive shop every month for a refill. If you need to fill the tank more than that, then a compressor is in your future.

    On a side note: Does anyone know of a dive shop that fills to 4500psi?

    Before I got my compressor I got mine filled to 4500 at Divers Den on Harford Rd.

    https://diversdenmd.com/
     

    JRisBundyboyz

    Active Member
    Nov 23, 2007
    142
    Bel Air
    Consider getting the tank 1st (assuming you don't have one). If you only shoot occasionally you may find you don't mind a trip or two to a dive shop every month for a refill. If you need to fill the tank more than that, then a compressor is in your future.

    On a side note: Does anyone know of a dive shop that fills to 4500psi?

    The cost of a new tank vs cost of a compressor and expired scba is what I weighed. But the treatment by dive shop in Baltimore county really turned me off when I showed up with two scuba bottles. (It’s too much to get into, but he told me a cop would ticket me for driving around with expired tanks. I couldn’t stop laughing or pay there 100 dollar inspection costs.)

    I have about 10 big bores coming in for setup. Most .30 and 35. Just saw the aea challengers in 30 357 and a rainstorm. Plus my personal .257 I need to tether for long range.

    The spark knockoffs ain’t bad for occasional shooter if you add another humidity filter. I ran 1 for 3 months.
     

    ESP

    Member
    Nov 21, 2012
    66
    Maryland
    I am in Burtonsville, So The north side of Baltimore is a bit of a haul. I can fill in Columbia to 3500 if I ask nicely. The is another dive shop in Silver Spring that i might have to check out.
     

    ESP

    Member
    Nov 21, 2012
    66
    Maryland
    I have about 10 big bores coming in for setup. Most .30 and 35. Just saw the aea challengers in 30 357 and a rainstorm. Plus my personal .257 I need to tether for long range.

    The spark knockoffs ain’t bad for occasional shooter if you add another humidity filter. I ran 1 for 3 months.

    Yup- You need a compressor. :)

    FWIW- every time I get my tank filled they check the expiration date. Apparently it is a big no no to fill an expired tank.
     

    John from MD

    American Patriot
    MDS Supporter
    May 12, 2005
    22,735
    Socialist State of Maryland
    Yup- You need a compressor. :)

    FWIW- every time I get my tank filled they check the expiration date. Apparently it is a big no no to fill an expired tank.

    The hydrostatic checks are mandated by Federal regulations, I am not sure about the yearly inspection. They can get fined pretty good if they don't follow the rules, not to mention the lawsuits/criminal charges should someone get hurt.
     

    John from MD

    American Patriot
    MDS Supporter
    May 12, 2005
    22,735
    Socialist State of Maryland
    I am in Burtonsville, So The north side of Baltimore is a bit of a haul. I can fill in Columbia to 3500 if I ask nicely. The is another dive shop in Silver Spring that i might have to check out.

    If you have guns that have over 3000 PSI fill pressure, you need a compressor. The yong heng is turning out to be a great deal for me just make sure you have a good moisture separator. I have a double filter arrangement, one with a filter to keep out oil and the other that has molecular sieves and descant to remove water from the air.
     

    hobiecat590

    Ultimate Member
    MDS Supporter
    Feb 2, 2016
    2,434
    The hydrostatic checks are mandated by Federal regulations, I am not sure about the yearly inspection. They can get fined pretty good if they don't follow the rules, not to mention the lawsuits/criminal charges should someone get hurt.

    Scuba tanks are required to by hydro statically tested every 5 years. Every year tanks must be visually inspected. If you use Nitrox, shops are supposed to Oxi scrub tanks in addition to the Viz. Nitrox should not be an issue for air gunners and should not be used due to the higher O2 content.

    Filling out of date tanks is a big no no.

    Most steel HP tanks are rated for a max 3500 or 3650 PSI working pressure. They hydro them at 5250 PSI IIRCC. It is rare that a shop will fill HPs > 3800PSI. COPVs (carbon fiber) tanks are rated for higher pressures up to 4500 PSI. Skip aluminum tanks 2800- 3000 PSI tanks.

    I use 2 tanks to fill. One (even an aluminum) is used to fill the gun tank w/ 80ish % of the air and used a second HP tank to top it off at the 3500 PSI pressures. You get more fills at higher pressure using 2 tanks. A compressor or hand pump could also be used for that last 500 PSI. YMMV
     

    John from MD

    American Patriot
    MDS Supporter
    May 12, 2005
    22,735
    Socialist State of Maryland
    I fill my guns to the max when I am refilling the tank. Then I use the tank until it gets down to 2800 pounds and then start all over again. This works well as I keep my regulated rifles at 2200 PSI with the exception of my Avenger which I keep at 2900. It only takes about 15 minutes to bring everything back up with the compressor.

    I copied a setup that I found on AGN or Gateway where a guy mounted everything on a serving cart. I bought a cheap cart from Amazon and strapped my tank on the middle level and my compressor, fan and 5 gallon water container on the bottom level. The plugs are all gathered to a 20 Amp short extension which I connect to the wall socket. My pump never gets above 122* when filling the tank and doesn't get above 90* when topping off the rifles as they take so little air.
     

    Vic

    Ultimate Member
    Jul 2, 2010
    1,454
    Whiteford, MD
    So your system will hold at 50 degree C? Mine goes past that pretty quickly but will hold pretty well once past 60C. I use ice water and try to make sure no air is in the head. I am pretty happy with my Yong Heng too. It works. Surprised that someone hasn't come out with a better air cooled compressor or other. I've read that even some of the expensive ones die quickly.

    Hope yours keeps working for you too.
    V
     

    John from MD

    American Patriot
    MDS Supporter
    May 12, 2005
    22,735
    Socialist State of Maryland
    So your system will hold at 50 degree C? Mine goes past that pretty quickly but will hold pretty well once past 60C. I use ice water and try to make sure no air is in the head. I am pretty happy with my Yong Heng too. It works. Surprised that someone hasn't come out with a better air cooled compressor or other. I've read that even some of the expensive ones die quickly.

    Hope yours keeps working for you too.
    V

    I have a five gallon bucket with a mix of antifreeze, water wetter and water and I have modified the compressor head to handle a larger water pump and plumbing. Additionally, I have an 8 inch fan blowing across the head and plumbing.

    Unlike others, I won't fill my tank up with the YH but only use it to top it off and fill the rifle tanks. This keeps the run time down significantly and also does not overload my water drier/separator. The only time I let my tank go down is when I take it for it's yearly inspection and refill at the dive shop.
     

    Vic

    Ultimate Member
    Jul 2, 2010
    1,454
    Whiteford, MD
    I think my tank is around 2 liter. I refill around 2500 psi. I usually have to stop once or twice and allow the head to cool. When it is below 20 C I go. I also vent my air every couple minutes by opening the valves on the side of the compressor. I get tons of moisture out of the lower pressure side and some off the high pressure. So far the compressor does well. Wish it cooled a little better but I only fill tanks around once a month. That might increase since buying a higher pressure tank for my Texan. Supposedly it raises ft lbs of energy significantly, from 400 max to 600 max. Should be fun. I might be doing some crop damage this summer and it might come into play.
    V
     

    John from MD

    American Patriot
    MDS Supporter
    May 12, 2005
    22,735
    Socialist State of Maryland
    I think my tank is around 2 liter. I refill around 2500 psi. I usually have to stop once or twice and allow the head to cool. When it is below 20 C I go. I also vent my air every couple minutes by opening the valves on the side of the compressor. I get tons of moisture out of the lower pressure side and some off the high pressure. So far the compressor does well. Wish it cooled a little better but I only fill tanks around once a month. That might increase since buying a higher pressure tank for my Texan. Supposedly it raises ft lbs of energy significantly, from 400 max to 600 max. Should be fun. I might be doing some crop damage this summer and it might come into play.
    V

    What caliber is your Texan? If it is in some of the larger diameters, I would look into getting a pellet mold if you shoot a lot. Those things get expensive fast.
     

    Vic

    Ultimate Member
    Jul 2, 2010
    1,454
    Whiteford, MD
    It is the 45 Texan. I would cast my own bullets but then I'd have to buy all the accessories to go with casting. Lead isn't cheap either. I currently use the 350 grain for hunting deer. I read an article where a guy was using the 250 grain hollow points to good effect. He was killing deer, pigs, and other stuff well. I'd probably shoot the 250s but I don't think the gun would register the 400 ft lb minimum required by the state as a minimum. So until I determine otherwise, I'll stick with the 350 grain. They have a good meplat and hit quite hard. Supposed to generate 600 ft lb with the first shot. Pretty good!
    V
     

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