Making BIG GAME PCP 4000 PSI Valve and Tank

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In this video I'll be making a valve and a connector for a manometer and a fill nipple for a stainless PCP tank, the maximum pressure is 4000 PSI, but to ensure safety I recommend 3500 PSI. Keep following this series of videos and you'll see the finished version soon, it will be really powerful in just 4,5mm. I am expecting around 1100-1200 fps minimum using a 15.4 grain slug.
LATHE used in the video:
MINI Lathe 7x16 800W (Europe and USA link): s.click.aliexpress.com/e/_DlY...
Asia link: s.click.aliexpress.com/e/_Dlt...
Parts, tools & materials:
25mm brass rod: s.click.aliexpress.com/e/_DCF...
27x2mm 304 tube: s.click.aliexpress.com/e/_DeT...
pressure gauge: s.click.aliexpress.com/e/_Dnm...
fill nipple: s.click.aliexpress.com/e/_DDG...
20.3mm O-ring: s.click.aliexpress.com/e/_DnS...
HSS mills: www.aliexpress.com/item/10050...
drill bits: s.click.aliexpress.com/e/_Dm2...
3.9mm drill bit: s.click.aliexpress.com/e/_DlZ...
center drills: s.click.aliexpress.com/e/_DDa...
m10x1 tap: s.click.aliexpress.com/e/_DFN...
m6x1 tap: s.click.aliexpress.com/e/_DCJ...
POM rod: s.click.aliexpress.com/e/_DBm...
teflon rod: s.click.aliexpress.com/e/_DE8...
4mm steel rod: s.click.aliexpress.com/e/_De3...
grub screws: s.click.aliexpress.com/e/_Ddi...
countersunk screw: s.click.aliexpress.com/e/_DCn...
sanding tool: s.click.aliexpress.com/e/_DFW...
brass tube: s.click.aliexpress.com/e/_DeW...
silicone oil: s.click.aliexpress.com/e/_DFY...
10mm thick spring: s.click.aliexpress.com/e/_DkM...
7.5mm o ring s.click.aliexpress.com/e/_Dml...

Опубликовано:

30 мар 2024

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Комментарии : 137

@Calligraphybooster Месяц назад

Internal diameter 23mm. 11.5x11.5x3,14=415 mm2 (4,15cm2) 1 bar=10N/cm2 4000psi = 276 bar. So… you hold back 276x 10x 4,15 N =11454 N with a couple of little screws. Reckon with only one; they don’t bear equally and when the first snaps, then the second may well go too. Mind that the screw itself M6 has a core surface of 2.38 x 2.38 x3.14 mm =17,8mm2. If the quality is 8.8, the tensile strength is 800 N per mm2, starting to yield at 80% or 640N. For a shearing load as the screw experiences here, we take 80% of that value. We are then left at 512N/mm2 x17.8 mm2 or a load of 9113N at which the screw will probably fail. With 11454N … you are a lucky bastard. And please, dont grease O rings on a cloth full of chips.

@pcpairgunschannel Месяц назад

this is a very common way to do it. the grub screws arent the only thing holding it but the inlet valve too, which is a lot thicker

@lukmankhakim5568 Месяц назад

If I may know, what is the safe pressure for the tube?

@pcpairgunschannel Месяц назад

@@lukmankhakim5568 the tube is 304 stainless steel, 27mm OD 2mm wall thickness. Using barlow's formula the burst pressure is 10958 PSI, and therefore the safe pressure would be 3652 PSI if we use 1:3 safety factor which is commonly used for air gun tanks.

@lukmankhakim5568 Месяц назад

@@pcpairgunschannel For a tube thickness of 1.5mm, what is the safe pressure?

@pcpairgunschannel Месяц назад

@@lukmankhakim5568 Depends on the od, if you used a 27mm 304 SS tube like me, then 2700 PSI. 25 OD is more common for 1.5mm wall thickness tubes, for those it's 2958 PSI

@LowkeyAirgunner 2 месяца назад

Nice work! Very interesting process

@benoitdudzik8010 Месяц назад

i always love your video pcp airgun for life

@ramone79 2 месяца назад

Nice work on the lathe

@pcpairgunschannel 2 месяца назад

Thanks 👍

@jalhuntph Месяц назад

great talent.good job bro🤜🤛

@JamesBrown-qn5lz Месяц назад

Thanks for this share

@sniperkota428 2 месяца назад

Very Nice

@CyberHunter512 2 месяца назад

Nice video mr..👍👍👍♥️ god job !

@pcpairgunschannel 2 месяца назад

❤️❤️❤️

@ayahsadam9817 Месяц назад

Nice sharing💖👍

@pcpairgunschannel Месяц назад

Thanks for visiting

@samnipi1889 Месяц назад

This actually call in my country is "pcp jowo/timbangan gaplek".....nice project👍👍

@pcpairgunschannel Месяц назад

Yes bro, this is heavily inspirated by indonesian PCP jawa

@robertsimpson6324 2 месяца назад

Excellent want more

@pcpairgunschannel 2 месяца назад

Coming soon

@DailyHunter88 Месяц назад

Like pcp jowo 👍👍 good job my friend

@pcpairgunschannel Месяц назад

yes, its inspirated by indonesian pcp jawa

@Brett_M 29 дней назад

Dang I wish I had a lathe this is sweet!

@pcpairgunschannel 29 дней назад

Currently I wish I had a milling machine as well 😅 The slots and all the holes were dissapointing, so I better save up for a mill too.

@Brett_M 29 дней назад

my dad has a super nice bridge port mill and a ton of nice tooling I just started to learn how to use. I can make square parts and you can make round parts 😆

@pcpairgunschannel 29 дней назад

@@Brett_M so then let's do team work and make greater projects 😎

@pawitmon2583 Месяц назад

thanks you br

@ztejerzkztktzfrkt8527 Месяц назад

This Video should called...how to build a bomb

@airhunteroutdoor2740 Месяц назад

Nice work 👍👍 watching New friend from Phillipines 🤝🤝🙏👍👍

@Inoinovation Месяц назад

Please upload next part Love from India ❤👍

@pcpairgunschannel Месяц назад

coming soon bro.

@orangkaya6683 Месяц назад

Iki jelas wong indo seng ngerantau neng negara 4 musim. Nice project bro

@pcpairgunschannel Месяц назад

haha terimakasih mas

@kerahledrek Месяц назад

Ane dah curiga dr awal pemilik channel ini org indo sih wkwkkwk

@AnthonyTasin Месяц назад

PCP airguns channel UU you uuuuuuuuuuu uuuuuu7uuuuuuuuuuuuuuu😢 my pp

@krisbiyantoro3989 Месяц назад

Top mase salam dari indonesia❤

@sniperkota428 2 месяца назад

Top power

@ameenattef469 2 месяца назад

It's good to have the new toolsأ. Congratulations... great job. The best thing in the video is visualizing the sizes and dimensions.. Great work, keep it up and we are waiting for the rest of the manufacture of the air rifle from the reciger, the gun, and all the parts of all sizes and dimensions.. Greetings from Egypt

@pcpairgunschannel 2 месяца назад

Thank you very much❤️

@grzegorzdomagala9929 Месяц назад

i think i know that minilathe model. You can easily disengage lead screw gears from spindle - it will make a lot less racket :)

@pcpairgunschannel Месяц назад

Yes, I should do that. It is a vevor 7x16 mini lathe

@sharkdevil9921 25 дней назад

How much possibility psi per single shoot , biggest air pressure on pcp

@pcpairgunschannel 25 дней назад

Max psi per shot with the spring i use is about 10 shots from 4000 PSI to 3200 PSI, so 80 PSI per shot. 80 PSI per shot gives me about 70 joule, or 1250 fps using 15.4 grain. However I don't know what higher consumptions would give, I don't have a spring that strong to test. I think if you just try to bring the usage to like 500 PSI per shot you are gonna get at least 100 joule.

@dididodok3616 2 месяца назад

👍👍👍👍

@Pierchinggun Месяц назад

If possible, the valve shaft must use a thread to enter the Tevlon. Prone to breaking often hit by a hammer.

@pcpairgunschannel Месяц назад

It's ok, this will work

@BC-wj8fx 5 дней назад

Many successful airguns do not use a thread. But they do not use Teflon, they use stronger plastics such as acetal, or PEEK for more strength. If the valve stem is very thin, a larger diameter metal insert can be pressed into the plastic, it does not need to be threaded.

@pcpairgunschannel 5 дней назад

@@BC-wj8fx yes, this is POM

@jucivaldodacsousa 10 дней назад

Que marca de torno é essa? Show.

@pcpairgunschannel 10 дней назад

Vevor 7x16

@endrymargam7863 Месяц назад

Saya menantikan dan memimpikan power itu digunakan laras lubang 12mm, karena di Indonesia sangat mengerikan untuk dibuat 😅

@pcpairgunschannel Месяц назад

ya, saya dengar kaliber legal terbesar di Indonesia adalah 4,5 mm

@yantoong567 Месяц назад

Part 2 next please

@pcpairgunschannel Месяц назад

in about 1 week it'll be done, still waiting for some materials to arrive.

@ichalalamri5884 Месяц назад

Indonesian pcp ( pcp jawa ) 👍🏿👍🏿

@pcpairgunschannel Месяц назад

yes bro, i took inspiration from it.

@hyuflhyup7368 2 месяца назад

👍

@jandeeg152 Месяц назад

What kind of oil do you use for O-rings?

@pcpairgunschannel Месяц назад

Silicone oil, or any synthetic oil. Petrolum based oils will destroy the rubber. s.click.aliexpress.com/e/_Dl3RL1z

@jandeeg152 Месяц назад

@@pcpairgunschannel Mind you, oil together with highpressure oxygen can be dangerous, you’d better use lithium grease. BUT……., your video is great!

@pcpairgunschannel Месяц назад

@@jandeeg152 yes, oils can combust under high pressure oxygen. But this is not pure oxygen I am using, its just air. Therefore combustion of the oil isn't likely

@bima1599 2 месяца назад

Pcp jowoooooooo

@earphone_13 2 месяца назад

This mechanism is recommended for high pressures

@pcpairgunschannel 2 месяца назад

Yes, 4000 PSI max

@airsight2753 2 месяца назад

You finally got a lathe, how much did you pay for that and what brand?

@pcpairgunschannel 2 месяца назад

It is a vevor 7x16 mini lathe, it was 730$. Now lets see when I am getting a milling machine.

@airsight2753 2 месяца назад

@@pcpairgunschannel same price here, make a mini lathe review, i am planning to buy soon.

@pcpairgunschannel 2 месяца назад

@@airsight2753 let's see! 👍I'll be waiting to see what you'll make with a lathe!

@AgustianTyan 2 месяца назад

Joss

@user-yz3bc9ok9l 4 дня назад

你好我是你粉丝，能不能做一期做 slug 子弹的视频。

@pcpairgunschannel 4 дня назад

看看我是否有一天会这么做，但现在还不是时候

@kiasubandari48 2 месяца назад

the barrel installation part bro

@pcpairgunschannel 2 месяца назад

yes bro, patiently wait for the rest of the building videos. Next I will make a trigger and a hammer to open the valve, then later on i will continue with chamber making etc....

@kiasubandari48 2 месяца назад

@@pcpairgunschannel okay, waiting for the next part, keep up the enthusiasm

@redgum1340 2 месяца назад

So far, that will only blow away snow. Where is the rest of the 4000psi Big Game pcp rifle? LOL

@pcpairgunschannel 2 месяца назад

Sir this is part 1, I will still build the chamber, Stock, trigger hammer etc

@Pierchinggun Месяц назад

Di Indonesia This 2mm Monel material is made with 6 bolts and a pressure of 4500psi. 180cc cal32mm 8shoot 1100fps can be produced.

@pcpairgunschannel Месяц назад

@@Pierchinggun i think 4500 psi is a bit too much. The burst pressure is 10800 PSI. depending on the steel alloy, of course.

@genarboket291 Месяц назад

jeroane oblak bos😂

@syarif_rc_channel 27 дней назад

21:16 I see a leak

@pcpairgunschannel 27 дней назад

that was just the unpressurized air bubbling away from the threads/what was between the valve and the tube. It's not from the tank. I have stored this for maybe a week at most while pressurized at 3000 PSI, a week later still at 3000 PSI.

@WarlordEnthusiast Месяц назад

Good video but I'm not sure I'd trust that with 4000 PSI

@ameenattef469 2 месяца назад

I hope you can translate it into Arabic because it is not available in the video settings. Thank you for your wonderful effort

@pcpairgunschannel 2 месяца назад

I’ll look for time to add captions.

@budibudianto2758 2 месяца назад

Pcp original made indonesia..

@pcpairgunschannel 2 месяца назад

yes, pcp jawa

@muhammadjanab8023 Месяц назад

MASHALLAH DEAR I WANT A PIECE OF TANK FROM PAKISTAN HOW I WILL GAIN IT

@pcpairgunschannel Месяц назад

Sorry bro I can’t send this overseas for legal reasons…

@user-yz3bc9ok9l 21 день назад

有点怕飞堵头

@huazhong208 Месяц назад

Why not use titanium alloy tubes

@pcpairgunschannel Месяц назад

You can but they are expensive

@huazhong208 Месяц назад

@@pcpairgunschannel It’s a pity that China can’t play

@pcpairgunschannel Месяц назад

@@huazhong208 Yeah man, airgunning is definitely a fun hobby. Where are you from in China?

@huazhong208 Месяц назад

@@pcpairgunschannelSir I am from Jiangxi Province, China😄

@huazhong208 Месяц назад

This steel pipe can withstand 3500psi, which is equal to 240bar? brother

@dennyavian9280 Месяц назад

Indonesia pcp big game

@pcpairgunschannel Месяц назад

😎

@dinarashiloddean2264 Месяц назад

Bisa cod ke malaysia

@pcpairgunschannel Месяц назад

maaf bro, saya tidak dapat menghantar pakej saya atas sebab undang-undang. Saya hanya membuat video untuk orang ramai melihat pembuatannya

@JETHO321 2 месяца назад

You probably won't be able to get a hammer to open your poppet valve. It has too much surface area and pressure pushing against it.

@pcpairgunschannel 2 месяца назад

I will, i can open it by hitting it with a steel rod like this, and it releases a good amount of air already (it may not seem like that in the video because the sound echoed all around). The hammer I will make definitely will hit at least as hard as I did with a steel rod