Jeffs 25 pounder

All topics related to Armortek's 25 Pdr
Post Reply
Jeffrey Goff
Posts: 581
Joined: Thu Jul 12, 2007 12:52 pm
Location: NORTHAMPTON
Has liked: 17 times
Been Liked: 104 times

Jeffs 25 pounder

Post by Jeffrey Goff » Mon Jul 16, 2018 8:15 pm

I needed a project that did not weigh hundreds of kilos, and not take up too much room and did not break the bank.
I have been working on it for about a week, I wanted it to be able to fire 9mm blanks (box of blanks left over from the 88) so to stay within the law I had to make some safety modifications, a new receiver fitted to breech block and into barrel with a 4 mm hardened steel pin located through barrel and receiver, allowing only room for the blank, and stopping any projectile,
also you can not vent from the front of the barrel, so I had to block the muzzle brake just forward of the first holes so it vents sideways, the muzzle break was also modified, (as this was to have been loctited into the barrel), the end of the barrel and brakewere tapped and a bronze bush screwed in and pined, this will stop the muzzle brake becoming a projectile, now that the main barrel assembly conforms to the law I started making a new breech lever with working spring catch, and the falling block fitted with firing pin, this is actuated by a prototypical side lever, pictures so far
Image
Image
Image
Image
Image
Image
Image
Image
regards Jeff
Last edited by Jeffrey Goff on Tue Jul 17, 2018 9:04 am, edited 1 time in total.

User avatar
Adrian Harris
Posts: 3644
Joined: Thu Jul 12, 2007 10:46 pm
Location: Berkshire (UK)
Has liked: 119 times
Been Liked: 187 times

Re: Jeffs 25 pounder

Post by Adrian Harris » Mon Jul 16, 2018 9:17 pm

This should be interesting :-)

Frightening in fact, when you think how small all these parts actually are :shock:

Adrian.
R.I.P Margaret I.L.Y

Robert Reid
Posts: 269
Joined: Mon Oct 09, 2017 9:49 pm
Has liked: 24 times
Been Liked: 99 times

Re: Jeffs 25 pounder

Post by Robert Reid » Mon Jul 16, 2018 10:03 pm

Very nicely done!

Any chance you might have some drawings? That looks like a very worthy conversion!

Cheers,

RPR

Jeffrey Goff
Posts: 581
Joined: Thu Jul 12, 2007 12:52 pm
Location: NORTHAMPTON
Has liked: 17 times
Been Liked: 104 times

Re: Jeffs 25 pounder

Post by Jeffrey Goff » Sat Jul 21, 2018 4:49 pm

next job I tackled was fixing the buffer to the recuperator slide, on the kit it is joined through the sides with countersunk bolts while full size uses four front facing eye bolts secured with nuts, I did this by brazing steel bar to the four corners on front of the recuperator slide, these were then slotted and drilled to take the eye bolts, I also reduced the length of the slide just past the side holes, recoil springs were added to the recuperator, this is the result so far
Image
Image
Image
Image
Image
Image
regards Jeff

User avatar
Robert E Morey
Posts: 1621
Joined: Wed Jul 18, 2007 12:59 am
Location: Seattle, WA USA
Been Liked: 47 times

Re: Jeffs 25 pounder

Post by Robert E Morey » Sat Jul 21, 2018 4:58 pm

Jeff
That will be awesome with the blank firing and recoil! From a liability standpoint you may be reluctant to share the blank firing design - I'd like to see how you do it too! That is really neat. I'm sure it will be a mini masterpiece like all your builds.
Bob

Marcus Kwa
Posts: 141
Joined: Wed Nov 13, 2013 6:22 pm
Been Liked: 15 times

Re: Jeffs 25 pounder

Post by Marcus Kwa » Sat Jul 21, 2018 5:51 pm

You got my attention!!! Will be watching this closely.
Really like your breech lever!

Marcus

Jeffrey Goff
Posts: 581
Joined: Thu Jul 12, 2007 12:52 pm
Location: NORTHAMPTON
Has liked: 17 times
Been Liked: 104 times

Re: Jeffs 25 pounder

Post by Jeffrey Goff » Sun Jul 22, 2018 11:25 am

Thanks for the feedback guys, Marcus you have some outstanding details on your build I hope I can incorporate some
Regards Jeff

Jeffrey Goff
Posts: 581
Joined: Thu Jul 12, 2007 12:52 pm
Location: NORTHAMPTON
Has liked: 17 times
Been Liked: 104 times

Re: Jeffs 25 pounder

Post by Jeffrey Goff » Mon Jul 30, 2018 7:57 pm

it has been just over a week since an update on the build, I assembled the 25 pounder to get an overall view, and what could be done to improve it, then took it apart again, I thought I would start with the wheels and axles, I made the brake drums, these will bolt to a plate fixed to the axle, also got rid of the dummy bolt for the wheel hub, and replaced it with an 8mm threaded stud and bolt, this is how far I got today
Image
Image
Image
Image
Image
regards Jeff
Last edited by Jeffrey Goff on Tue Jul 31, 2018 11:03 am, edited 1 time in total.

simon_manning
Posts: 1440
Joined: Fri Nov 02, 2007 8:51 pm
Location: new forest,hampshire,u.k.
Been Liked: 78 times

Re: Jeffs 25 pounder

Post by simon_manning » Mon Jul 30, 2018 8:04 pm

there's us on here just coasting along, then you hit us with this level of expertise, you hav'nt lost your touch, lovely details jeff, regards simon.

Jeffrey Goff
Posts: 581
Joined: Thu Jul 12, 2007 12:52 pm
Location: NORTHAMPTON
Has liked: 17 times
Been Liked: 104 times

Re: Jeffs 25 pounder

Post by Jeffrey Goff » Tue Jul 31, 2018 9:02 am

Thanks Simon, I am going to enjoy working on this kit
Regards Jeff

Marcus Kwa
Posts: 141
Joined: Wed Nov 13, 2013 6:22 pm
Been Liked: 15 times

Re: Jeffs 25 pounder

Post by Marcus Kwa » Wed Aug 01, 2018 7:22 am

Those brake drums are beautiful! It is almost a crime to cover them with paint......
Might give it a shot after I have finished the sighting system.

Marcus

Jeffrey Goff
Posts: 581
Joined: Thu Jul 12, 2007 12:52 pm
Location: NORTHAMPTON
Has liked: 17 times
Been Liked: 104 times

Re: Jeffs 25 pounder

Post by Jeffrey Goff » Wed Aug 01, 2018 6:59 pm

Thanks Marcus, it was your brake details that inspired me
Regards Jeff

Jeffrey Goff
Posts: 581
Joined: Thu Jul 12, 2007 12:52 pm
Location: NORTHAMPTON
Has liked: 17 times
Been Liked: 104 times

Re: Jeffs 25 pounder

Post by Jeffrey Goff » Sun Aug 12, 2018 6:45 pm

completed the hand brake and linkages, many small parts but worth the effort
Image
Image
Image
Image
Image
regards Jeff

Phil Woollard
Posts: 1884
Joined: Mon Mar 01, 2010 4:48 pm
Location: Cornwall
Has liked: 338 times
Been Liked: 710 times
Contact:

Re: Jeffs 25 pounder

Post by Phil Woollard » Sun Aug 12, 2018 9:19 pm

That's quality work JG.
Mechanical engineer, Pyrotechnic technician, and small time farmer.
Youtube channel, Magpiespyro. For 1/6th scale video action!
Email; magpiespyro@hotmail.com

User avatar
Robert E Morey
Posts: 1621
Joined: Wed Jul 18, 2007 12:59 am
Location: Seattle, WA USA
Been Liked: 47 times

Re: Jeffs 25 pounder

Post by Robert E Morey » Sun Aug 12, 2018 10:13 pm

Beautiful brake drums and linkages. Fantastic!
Bob

Post Reply