It's been awhile now,.....so what is the long term consensus on the Yong Heng ?



Author Topic: It's been awhile now,.....so what is the long term consensus on the Yong Heng ?  (Read 1030 times))

Offline Nomadic Pirate

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Just realized it's now been sold on Amazon Prime,

stopped following progress some time back, so now it's time to ask what are the long term thoughts on this compressor ?

Thanks
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Offline Gertrude

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Manny,
a buddy of mine first bought one of the YH, but what arrived was one of the clones, and it was screwy from the first day.
He registered a complaint with the seller and got his money back.
Then he purchased an actual YH.
 It did work ok,... but he wanted to fill full size SCBA tanks, and that required very close monitoring of temps due to extended run times to fill a large tank.
This also created the need to change the crankcase oil at excessive intervals.

 SOooooo,.... what he did was, He bought a 2nd YH with the idea that 2 compressors (tied together) would not work nearly as hard as a single compressor when trying to fill the large tanks.
 He got a "Tee" fitting and ran both of the compressors to it. Then from the 3rd port of the Tee, he goes into the water separators, and out from the separators into the large SCBA tank.

This not only fills the tank(s) much faster, but it also helps to keep the temps down on both of the compressors.
 
He has been running it this way for the better part of the year,
 He tops off/fills his tanks on a weekly basis,
 and has not yet needed to do a rebuild or reseal job on them.

Your mileage may vary  ;)  ;D
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Offline KnifeMaker

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Interesting!  I've often wondered why two ShoeBox F-10's couldn't be paired up.


Yes, it would cost a grand, but they have a very good track record for long life  run singularly. something the Y-H does not have.  ;)
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Offline Gertrude

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Interesting!  I've often wondered why two ShoeBox F-10's couldn't be paired up.


Yes, it would cost a grand, but they have a very good track record for long life  run singularly. something the Y-H does not have.  ;)
Knife,
A dual Shoebox setup would still need 125 psi input/2CFM (each) from an oil-free compressor, and that still would be slower than the dual YH's.
 He actually started off with a single Shoebox, but the excessive run time to fill our 88 Cu. Ft. tanks was annoying to him.
 He reports that the dual YH setup is much faster than the Shoebox could ever hope to be.
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Offline squirrel_hunter

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  its been over a year for my yong hengs and so far so good.i fill rifles only no tanks,takes hardly no time to fill rifles.i have shot way more pellets without having to pump.i also just took apart a AT44 air tube and it was bone dry inside not one drop of water after filling it with the yong heng with no added water filter for a over year.i do not see it blowing up as some said it would,i do not get a awful smell out of mine like others said it smelled of oil when running.i have maybe have two gallons of water to cool it with in my 5 gallon bucket and temps rarely above 40c as it only takes about 35-40 seconds to fill a rilfe after shooting down tp 2000psi.if I am going to shoot alot I add more water...overall for what I paid for them it was a great deal,only problem is that I must order more pellets.the yong heng clones seen to have more problems so be sure to get the compressor with young heng written on the side.if I didn't already have two of them I would buy another...
  at first it seemed as if they had a problem starting up,but I replaced outlet in the wall and they perform flawlessly.so I well into the second year of owning the cheap Chinese compressor without any problems or explosions.i have a little over $220.00 in each one which is around what a hill pump costs.but there still will be people pushing the higher priced compressors cause that what they sell or for some other unknown reason.i use the set pressure model and the other one is still new in the box used very few times.
 
« Last Edit: December 27, 2018, 05:05:50 AM by squirrel_hunter »
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Offline Wayne52

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For the amount of air that I use my F10 is more than enough for what I need.  Topping off my 87cf tank is all I need and I never go under 3600psi with it normally.
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Offline Tonykarter

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I will second everything Mark said.  I think the YH is more suited to filling guns than tanks.  Has worked flawlessly, without need for any kind of rebuild or seal change-out.  Changed the oil, that's all.  It takes 30-40 seconds to fill either the Marauders or the Taipans, with 40C top temp seen in any season other than summer.  Summer, add an ice container and maybe see 47C.  Only one thing that concerns me, and it will never be a problem where you are Manny:  In cold weather it takes about 40 seconds of running before the heat builds enough inside the chambers to seal them off and it start supplying pressurized air.  The heat builds on the gauge at the normal rate, but it has to spread among the parts sufficiently before it seals off.  Then it operates as normal.  I actually liked to pump it myself, surely needed the exercise.  I LOVE this thing though.
« Last Edit: December 27, 2018, 12:17:42 PM by Tonykarter »
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Offline gendoc

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I'm working on about 2 years with my YH filling guns only with close to 15hrs total run time.
Using my self contained cooling system and 2 filters.
No problems here....i like it !!
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Offline redlined_b16a

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I looked into the China compressors as well.
Hard deals to pass up for sure.

I passed them because Pyramid Air offers financing thru Affirm Credit and I got the Air Venturi 4500 for $120 a month rather than dishing out $1300.
It has a warrenty  and is capable of filling anything I own.
Fills my gun in a minute or less.
Intrest was pretty decent too.
I hated a monthly note but I hated the fact that a sub $300 compressor might not survive the longer haul.
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Offline Nomadic Pirate

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Well it was 379 bucks on Prime yesterday but no more,

also I have a friend that would gift me a 3300 PSI and a 3500 Psi tanks,...would the YH be able to fill those ?
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Evanix Tactical Sniper     .50   200 FPE
Evanix Model 70              .357 140 FPE
Evanix REX Carbine           .357 120 FPE
Evanix REX Mini-Carbine     .357  90  FPE
Evanix RainStorm II             .30    85 FPE
Evanix Storm II Mini-Carbine .30    70 FPE
Evanix RainStorm II             .25    80 FPE
Evanix RainStorm II            .25    70 FPE
Evanix Air Speed                .22    20 FPE

Offline squirrel_hunter

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 yes the yong heng can fill those tanks.just keep a good supply of cool weater so temps don't get too high...
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Offline Gertrude

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Offline Wayne52

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I heard that they went up in price compared to what they were, probably because of recent increases in terrif's ???
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Offline prfssrlee

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Mine has worked without issue after a short break-in period at the very beginning. No issues at all since then.

I top-up my 6.8L tank, usually from about 3200-3400 psi to 4600 psi. Also, mine is run in "booster" mode - I feed it dry compressed air at 5-10 psi. It's really just because work has hospital-quality dry compressed air so I don't have to worry about moisture at all. But the little bit of input pressure cuts down on the fill-time. Feeding it 10psi cuts the fill-time roughly in half. I wouldn't go much higher than that since the 1st stage is 10:1 compression.

When I first got it, I took a bunch of data on it which you might find interesting (if you're a data geek like me). 1st graph is temperature/pressure vs time (water, 1st stage output pipe & 2nd stage output pipe). It starts when I closed the vent valve, which was about 30 seconds after turning it on (so water temp starts at 38C). 2nd graph is using the YH in "booster mode" where I feed it 0 psi, 10 psi and 20 psi air at the inlet and compare fill-times for an empty water/oil filter (the gold colored one). That gold filter is 336 cc (by comparison, a Marauder tank is 215 cc.
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Offline randy_68

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I've had mine for eight months and after a few small issues getting started it has worked perfectly.  I fill my 88cf tank from 3000 usually to 4500 sometimes a little less. And it takes about 30-40 minutes . I keep an eye on the temp and open the bleed valve every few minutes. I also fill some guns directly with it and that only takes a minute or so. However im not sure how it would work to fill my Cricket since it has the slow fill.
I had a first series Shoebox and hated it. I realize it wasn't made to fill tanks so it just didn't work for me.
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Havn't had my Vevor long enough to contribute any info on longevity to this thread. I'm using it to fill guns directly and so far, 12 to 15 fills, I'm very impressed. Sure is handy set up at my shooting bench with a jug of water to cool it. When I'm done shooting it's just as easy to grab up by the handle and carry it back in the house as another rifle would be.
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Offline smythsg

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+1 what squirrel_hunter said. I only fill rifles with mine but there have been no issues so far. ( It does get a bit loud in my gun room when filling above 3000 psi )
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Offline mcoulter

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Just realized it's now been sold on Amazon Prime,

stopped following progress some time back, so now it's time to ask what are the long term thoughts on this compressor ?

Thanks

Hey Manny,

So far there have been 56 reports on the YH compressor:

https://ql.tc/1V07h9

Just about 77% report that their compressor has been trouble free.  The average number of hours of run-time is about 12.5.
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Offline Wayne52

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I've had mine for eight months and after a few small issues getting started it has worked perfectly.  I fill my 88cf tank from 3000 usually to 4500 sometimes a little less. And it takes about 30-40 minutes . I keep an eye on the temp and open the bleed valve every few minutes. I also fill some guns directly with it and that only takes a minute or so. However im not sure how it would work to fill my Cricket since it has the slow fill.
I had a first series Shoebox and hated it. I realize it wasn't made to fill tanks so it just didn't work for me.
My F10 does my 88cf from 3500psi to 4500psi in a little over an hour, I did adjust my Cal Compressor to 125psi down to 95psi though.  The original Shoebox's did work but not as fast as the F10, the maximum feed pressure was a little lower than what I've got my feed compressor minimum set at.  Belt drive is much better and they pump quite a bit faster.  The original price was much more than what they're going for now which is about half the price.  They really have improved a lot through the years and also proven their reliability as well.  My impressions might change in about a year but that'll get here when it gets here ;D
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Offline AlanMcD

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I don't have a Yong Heng type compressor - I have a modified Shoebox Max and love it - but I do want to weigh in on something that people keep referring to based on their opinion rather than facts: whether or not a particular type of compressor is "designed (or intended) to fill tanks."

This gets down to one simple thing - managing heat, specifically the heat of operating for extended periods of time at high pressure.  To survive this properly, the unit has to have been designed to dissipate the heat of compression, as well as the heat of its own operation on a near continual basis at high pressures.

It is not about speed of the fill - that is a personal decision on whether that speed is acceptable for your use or not.

To me, the best way to describe a compressor that has been designed to fill tanks would be if you able to say that you could "set it and forget it" and let it do it's thing to get the tank filled, no matter how long that takes, be it 10 minutes or 10 hours.

Since I do know about the Shoebox, I will say that the original Shoebox did not meet this definition - it had no internal cooling fan, and it had to be stopped every two hours or so for a manual lubing of the pistons.  Many people used it for that purpose, thus ran it with no cover and kind of baby sat the compressor as it worked.  The Shoebox has gone through many upgrades over the years (and the price has dropped too), and now is a true "set it and forget it" compressor (although, as with the Yong Heng, we still need to do something to manage water vapor from making it through to our tanks, but that is another issue).
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