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New Owen Gun

 
(@lazyboy)
Active Member

A long time ago Myself and a friend made this owen Gun
[link][/link]

This used an agm MP40 gearbox and needed to be modified for this to fit.

I have wanted a more accurate version and came up with the following
[link][/link]
[link][/link]
[link][/link]

This version is HPA powered, has a blow forward bolt, that is controlled by a Picaxe micro computer and solenoid valve
The gun uses a brought airsoft barrel and hopup, the rest is home built.

Performance, Has reasonable range and fires reliable on semi and full auto.
Accuracy not great, but think the hopup needs breaking in.
Rate of fire is 700 rpm.
Magazine hold between 30 and 50 BBs
Weighs 2.8 kg

Quote
Topic starter Posted : 17/04/2016 10:05 pm
(@kingmaker)
Estimable Member

Hi as regards accuracy and HPA ,i have heard the inaccuracy can be caused by the various micro chip controlled settings
Needing to be changed.There is an app programme for smart phones where people compare
Settings according to barrel length,fps,bb weight and so on.Thats for polarstars though.Not that i am
an expert on HPA.i only know enough about to know i don't want to invest in it,although i do
believe it could be the ultimate in airsoft and more dependable.
A friend bought an M16 AEG converted to wolverine HPA.It was a bullet hose but not
accurate,he sold it as there was no place nearby to get his tank re filled.
Any way nice gun great work,love it.
I like reading about the qualities or bad parts of actual firearms ,especially the ones I have airsoft version of.
The real thing was super reliable in the jungle,cartridge dropped in to fire and then out the the bottom
assisted by gravity,taking burnt powder deposits with it,instead of fouling the bolt function.
Cant help thinking that mag sticking up in the air would give away your position,same as with
the Bren.Aussie troops preferred it to the Sten.

ReplyQuote
Posted : 18/04/2016 12:51 am
Russe11
(@russe11)
Honorable Member

As another Owen gun fan, I love it :)
I notice though that you didn't go with the bright green and bright yellow of the originals. Aesthetics before historical accuracy?
tbh, I prefer your more muted colours :)

Did you look at the thread of Dadio building my Owen?
viewtopic.php?f=13&t=18577&hilit=owen

ReplyQuote
Posted : 18/04/2016 2:38 pm
dadio
(@dadio)
Famed Member

I think you missed the fact that both the Owens in his post are airsoft guns ,the first his origina AEG version and the second in green and yellow is his second powered by high pressure air ,you can see the gas feed hose under the rear where the stock is fitted .The HPA system is more compact and compromises the design less ,you can have the cut out sections in the trigger housing as its not concealing the gearbox ,very nicey done indeed .

armoury
m1a1 Thompson,sten mk2,mp40,stg44,sterling,mk2 bren gun,lee Enfield no4 mk1,Mauser Kar98, Walther ppk,smith and Weston m10 and Mauser m712
Give me a big enough hammer and a place to stand and I could fix the world.
i'll kill a man in a fair fight or if i think he's going to start a fair fight or over a woman or.......
a problem shared is a problem halved ,but an advantage shared is no advantage at all
if a job's not worth doing then its certainly not worth doing well





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Posted : 18/04/2016 10:13 pm
(@lazyboy)
Active Member

Thanks for the replies

the colour scheme is based on this experimental gun.

I am happy with the green but could not find a darker flat yellow spray paint, I used Tamiya spray cans so it may not last.

The inaccurate fire appears to be to much grease in the custom blow forward bolt, so I cleaned it and seems to preform better now

ReplyQuote
Topic starter Posted : 19/04/2016 2:37 am
dadio
(@dadio)
Famed Member

Its the same for all gas systems ,in order to get good shot to shot consistency you need a v ery low friction system even at a range of temperatures and the lubricant needs to work at that wide range of temperatures without getting thicker or thinner or you lose consistency ,and if the power is not consistent then the hop won't be either .Its sometimes best to have good clearances and run virtually dry except on the seals to get good consistency .
Glad you got it sorted as its such a good looking gun it would be a real shame if it did not shoot well.

armoury
m1a1 Thompson,sten mk2,mp40,stg44,sterling,mk2 bren gun,lee Enfield no4 mk1,Mauser Kar98, Walther ppk,smith and Weston m10 and Mauser m712
Give me a big enough hammer and a place to stand and I could fix the world.
i'll kill a man in a fair fight or if i think he's going to start a fair fight or over a woman or.......
a problem shared is a problem halved ,but an advantage shared is no advantage at all
if a job's not worth doing then its certainly not worth doing well





ReplyQuote
Posted : 19/04/2016 9:37 am
Russe11
(@russe11)
Honorable Member

I wouldn't bother finding a better match for the yellow. The correct colour would just make it look aweful. I much prefer your more toned down colour scheme.
Any chance of video of it shooting? Or you could just pop over to the UK so I can have a play :D

ReplyQuote
Posted : 19/04/2016 2:34 pm
(@lazyboy)
Active Member

Here is a video of the owen firring
[link]http://s215.photobucket.com/user/Lazyboynz/media/video-1461394986_zpsp0r4ri1n.mp4.html?o=0[/link]

ReplyQuote
Topic starter Posted : 23/04/2016 7:21 am
dadio
(@dadio)
Famed Member

I love the rate of fire ,sounds great ,have you deliberatly set it to near origonal ROF or is that just how the hpa system works ?

armoury
m1a1 Thompson,sten mk2,mp40,stg44,sterling,mk2 bren gun,lee Enfield no4 mk1,Mauser Kar98, Walther ppk,smith and Weston m10 and Mauser m712
Give me a big enough hammer and a place to stand and I could fix the world.
i'll kill a man in a fair fight or if i think he's going to start a fair fight or over a woman or.......
a problem shared is a problem halved ,but an advantage shared is no advantage at all
if a job's not worth doing then its certainly not worth doing well





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Posted : 23/04/2016 8:41 am
ww2stu
(@ww2stu)
Noble Member

Sounds great!

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Posted : 23/04/2016 11:18 am
(@lazyboy)
Active Member

Thanks for the comments.
The rate of fire is programmed to 700 rpm to mimic the real gun.

ReplyQuote
Topic starter Posted : 23/04/2016 3:02 pm
TheChef
(@thechef)
Honorable Member

Yep sounds great, I hate to hear WW2 SMG's where people have upped the rate of fire so they sound more like modern HMG's going off, good work

German

Russian

British

Japanese

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Posted : 23/04/2016 10:56 pm
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