Bren and again and again

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SCVNGR
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Re: Bren and again and again

Postby SCVNGR » Fri May 17, 2019 8:23 pm

Damn that looks good.

Mine will be finished any day now.... :rofl:
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dadio
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Re: Bren and again and again

Postby dadio » Sat May 18, 2019 7:41 pm

That box looks rather familiar , I'm sure its nearly there .
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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Tankgunner
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Re: Bren and again and again

Postby Tankgunner » Wed May 22, 2019 7:03 pm

Incredible. Will you share the STL files of the buttstock?

I have an STL of the magazine, designed for MP5 internals, hope it may help.
mag.zip
(1.32 MiB) Downloaded 9 times
With best regards,
Alexey (Tankgunner)
Weapons: Mosin44, Mosin38, DT-29, Nagant, Bren gun, Enfield No.4 Mk.1, Webley
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dadio
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Re: Bren and again and again

Postby dadio » Thu May 23, 2019 12:53 am

The stock might be something I'd sell but it represents a significant amount of my time and money to develop so I'm not releasing the STL file or selling the file only .
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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SCVNGR
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Re: Bren and again and again

Postby SCVNGR » Sat May 25, 2019 4:33 am

What do you use for the magazines? AUG?
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dadio
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Re: Bren and again and again

Postby dadio » Sat May 25, 2019 6:55 am

Sadly can't use original mags as they only just don't fit ( typical ) so probably AK mags of the key wind type if I can find them , I'll have to 3d print a U shaped channel to take the BB's back down to the bottom , its what I did for my own Bren only I fabricated the U channels that was can arse to do so I'm looking forward to 3d printing them
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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dadio
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Re: Bren and again and again

Postby dadio » Sun Jun 09, 2019 12:04 pm

Got started on the mags , ive 3d printed a channel to flip the BB's 180 degrees
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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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Lord Elpus
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Re: Bren and again and again

Postby Lord Elpus » Mon Jun 10, 2019 7:59 pm

Nice job, nice colour! Did you make the pipe in two pieces, or printed complete tube?
Andy
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dadio
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Re: Bren and again and again

Postby dadio » Mon Jun 10, 2019 11:08 pm

I made it in two pieces that screw together , that way there was no overhangs or possibility of stringing or random defect inside out of sight , I may end up not screwing it together , I got a tip that you could use a 3d pen to repair printed parts so I've been experimenting , i ordered a 3d pen and the one I have uses the same filament as the printer and works really well as a welder ! Totally worth £10 to anybody doing 3d printing , in future for parts that are going to be permanently fixed together I can save time designing mounting points and just weld them together .
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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dadio
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Re: Bren and again and again

Postby dadio » Thu Jun 13, 2019 11:31 am

I've finalized the magazine internals design and duplicates are printing now , then i'll modify the Bren mags and fit it all together .
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I had to cut back the genuine Bren mags way further than i expected to get them to sit right and accept the internals and it took ages removing a little at a time but now i have a pattern for the others it wont take long at all .
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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dadio
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Re: Bren and again and again

Postby dadio » Tue Jun 18, 2019 12:26 pm

Test fired the Bren today and it fed beautifully :D so I moved on and made another mag and tested that one and it fed perfectly as well :good: .
One more mag to go and a little paint touch up and I'm finished , just waiting on Simon to get back to me about the gearbox upgrades and she's finished !
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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dadio
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Re: Bren and again and again

Postby dadio » Tue Jun 18, 2019 5:39 pm

Took a break from Bren mags to do this SA58 monstrosity that Simon wanted as well .
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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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dadio
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Re: Bren and again and again

Postby dadio » Sat Jun 22, 2019 3:33 pm

A nice pile of goodness for the gearbox .
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it was shooting 287 fps , now 363 fps , its going to settle down a bit over the next few days and should be around the 350 fps mark after .
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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kingmaker
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Re: Bren and again and again

Postby kingmaker » Sun Jun 23, 2019 12:21 am

For some reason i am never lucky with springs they never give me jules marked on the packet,way over or way under fps,or some of the cheaper ones loose significant fps over time due to poor heat treatment.Then it means several strip downs to get it site legal,some sites wont even allow half an fps over limit.
One Tech told me if you shorten the main spring it can cause it to have a large power deacrease in use,but i dont see why that would ,the main reason to avoid cutting a few coils of is you no longer have the flat end,so e advise against this too,although sometimes you have to.
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dadio
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Re: Bren and again and again

Postby dadio » Sun Jun 23, 2019 7:23 am

I've cut coils off many times ,with variable pitch springs I cut the close together coils and grind flat on a bench grinder , as long as there's no sharp end and you put the cut end in the piston then your fine , if you have the cut end of a spring on the sprig guide it can unseat its self and have the end stick out and foul the piston .
Its always trial and error if you want to get as close as possible to a site limit , the other thing is to let is rest once assembled , leave it for 24 - 48 hours and then crono it ,all springs that I've used have lost around 10 fps in the first 48 hours .
If you are a shop tech and use the same brands of parts repeatedly then you probably get a pretty shrewd idea of how a gun will perform but for us who build up only a few guns a year its a lot harder , some years ago now I made up some adjustable length spring guides to fine tune with but these days I'm happy enough with 330 - 350 fps and don't need every gun to be 349 fps exactly .
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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