Inside the Hummingbird–Now the tuning & issue begins!
I will post all internals and how the bird work and whats need tuning or improvements in this Topic. This BP is going to be a hit, vary well made over the cricket.
Got her today so I will cover several area as I go along tuning and adjusting:
1. the gauge isn’t aligned properly in my book. So if you have a standard cricket gauge socket it will fit the HB, but 1st the AT must be vented
under the trigger guard is where the standard fill hole and use the same fill probe as the cricket, as you can see on the photo near the fill hole is
the bleed screw—-> its a larger heavy duty screw compare to the cricket. After all the air is vented the AT can be unscrew—this AT wall thickness is thick and heavy–so vary unlikely you wont dent the AT in normal use–even dropping the HB. the oring that seals the AT is 3mm X 30mm. the fill
check valve is the same size as the cricket, had to increase the fill rate to my liking vary easy to do.
2. Now I’m having issue with the bolt blowing back when shooting pellets, when it does a lot of air will blow on your cheek and scare the shit out of me the 1st time it happen also the speed will drop about 8 to 12 fps. now it blow back about 2 to 3 time a mag full that not good—have to find this problem. Has to be the locking ball of some type—its like a free floating bolt after its cock if nothing locking it in place it will blow back! If anybody has this problem let me know!!!! 😥
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I didn’t do it on purpose. I shot it till 100 bar yesterday, and have a little problem with magazine indexing, so this morning I was dry firing to see the magazine indexing. Little did I know, I was at 20-30 bar left. So I proceed to handpump it and air just gushed out. I handpumped it from zero before and it worked, but I was pumping like a maniac.
Gus
Gus
It take about 15 sec before the valve stem start to seal with a CF tank, so I don’t think its possible with a hand pump, get some one with a high flow CF tank to seal the valve. Why you ran it down to zero???
Enerst, I can’t handpump the gun from zero. Any solution to that? It seems the transfer port will not seal or close. I also tried cock the gun before pumping. If I leave the probe open, air just gushes out from mag area, if I close the probe, air comes out from barrel end area. Thanks in advance.
Gus
if it were me, I know what I’d be thinking: “rather be lucky than good”. :biggrinn: Nice work, Gus. I wonder how many more will find loose screws? I’ve still got a fe loose scres, but the wife sticks around anyway! :rofl: Obviously I’ve very relieved for me and for you. Shoot on, big fella, shoot on.
Darryl
I must have tightened my barrel without knowing I m fixing the problem. For some reason my barrel oring got blown out of barrel from the breech side. When I tried to insert the oring back with my humongous but not fat fingers, I couldn’t get it in. So I pulled the whole barrel out and got the oring back in there, inserted the barrel back in and tightened all the barrel screws.
Blow-by problem fixed. THANK YOU Ernest! The cause turned out to be an improperly seated barrel. In our phone call Ernest brought up some options before he had to leave to take care of an errand. One was relatively easy, so I tried it first: a loose barrel. I’d speculated that maybe the o-ring in the barrel had blown out. He didn’t think so but came back with the thought that the barrel might not be seated properly, and suggested I give that a try, then he had to leave for his errand. He did remind me to have magazine in place before I tried to check the fit. (I’d had problems a few years back trying to seat an Mrod barrel in a P-rod. Put the magazine in first). So I was familiar with that fitment approach. Three of the four barrel-retaining screws weren’t very snug. After completely loosening all screws I used the synthetic handle of a screw driver, placing it against the muzzle, and gently tapped it (with magazine in place of course). I saw it move just a bit, but there it was.Tighten the screw, do a a quick test-fire with a tissue over the breech and magazine; cock the Bird (hmmm…) and not a wiggle from the tissue. I then loaded the magazine 🙂 and ran off a few shots without a puff. Just one tiny hole in my target. Lesson? Check your barrel screws. I’d also noted that the stock screws were loose as well; something to keep in mind.
Again, a big thanks to Ernest for helping a fellow Bird owner. I hope my episode helps someone. A Big Phew!!! It’s entirely possible this was missed during Peter’s once-over, and aggravated by being shipped across country (USPS Priority). Just goes to show…it’s always something!
darryl
will do. gotta make a quick run first. Wifey needs a lift
thank you,
Darryl
Call me 201-410-4364
I guess not. He did reply to me, saying I probably needed to adjust the shroud. Well, that seems not to be the case. My internals are like yours, Ernest. But I have a questions about that adjustment of the plunger. I checked it and it was tight, but should I be able to adjust it by turning it one way or another? Or does it just lock in place, only to be checked that it’s not loose? I loosened the shroud, backing it off to see if doing that made a difference, but it did not. That’s why I’m asking about the plunger. I’ll have to study on it a bit more. Can the cocking spring put too much pressure on the cocking rod?
darryl
Darryl
I shot the colibri for 2 hours this morning. Have a lot to report back. Need to upload the pics on photobucket first. Will post report prob late tonight. Positive report if that makes ppl curious.
I guess not. He did reply to me, saying I probably needed to adjust the shroud. Well, that seems not to be the case. My internals are like yours, Ernest. But I have a questions about that adjustment of the plunger. I checked it and it was tight, but should I be able to adjust it by turning it one way or another? Or does it just lock in place, only to be checked that it’s not loose? I loosened the shroud, backing it off to see if doing that made a difference, but it did not. That’s why I’m asking about the plunger. I’ll have to study on it a bit more. Can the cocking spring put too much pressure on the cocking rod?
darryl
Darryl
Thanks for the video link, those early model has a lots of different parts!
why are they getting sent out like this? These guns are going for premium ‘$$$$. some guys are not mechanically inclined and are probably expecting cricket like reliability …
not good :whistle:
Dman,
The current batch of hummers that are circulating were failed semi autos (which I think the seller just pulled the semi auto components out and started selling). We were originally offered some of these ….let’s call them first Gen models, but besides the few we grabbed for testing we decided to wait for our order of the current production models. If you’ve been following the posts from the current owners you’ll notice that several owners claim one gun will have/not have a part that another will.
I thought that read that somewhere…. i did notice ..
thats good to know actually. Looks like the Early bird doesn’t always get the best worm… I learned my lesson with FX on that one.
A sound advice! Wait for the next batch.
why are they getting sent out like this? These guns are going for premium ‘$$$$. some guys are not mechanically inclined and are probably expecting cricket like reliability …
not good :whistle:
Dman,
The current batch of hummers that are circulating were failed semi autos (which I think the seller just pulled the semi auto components out and started selling). We were originally offered some of these ….let’s call them first Gen models, but besides the few we grabbed for testing we decided to wait for our order of the current production models. If you’ve been following the posts from the current owners you’ll notice that several owners claim one gun will have/not have a part that another will.
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Gus,
My Bird was just sitting there with me looking at it after taking a few test shots from re-seating the barrel. I was of course trying to see if that would cure this blowby problem it has. Well, it just suffered a ring failure somewhere. Suddenly it just started hissing; louder and louder. It dumped about 230 bar in just a few seconds. I know it’s going to be one of the best once it’s fixed.
Darryl