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Member postings for Robert Butler

Here is a list of all the postings Robert Butler has made in our forums. Click on a thread name to jump to the thread.

Thread: Mitutoyo depth gauge problem
08/04/2020 18:07:38

Micrometer scale!

Thread: James Scooter
26/03/2020 21:09:28

Try the National Motor Cycle Museum they have a vast archive of hand books workshop manuals and a significant collection from the Bruce Main Smith collection - Robert Butler

Thread: Record no 1 vice jaws seized - removal?
23/03/2020 17:25:34

Hit it with a hammer OUCH! Robert Butler

Thread: Digital callipers shows time not distance
21/03/2020 22:31:40

It's not April 1st YET! Robert

21/03/2020 20:33:34

That's a large caliper! Robert

Thread: I Hate Brass!
18/03/2020 18:55:06

Speaking of magnets, many years ago one of the typists lost the diamond to her engagement ring. I suggested she visit the local jewellers and ask if she could borrow their diamond magnet - she was fuming on her return which added to the fun in those far off non PC days. Robert Butler.

Thread: Paper Tube (Cardboard)
10/03/2020 22:32:46

I have a number of friends who use brass case for 8 bores, these were made from solid brass at some expense! The average wildfowler will not use many cartridges during the season and therefore the total number of cases required is low and reloading before each outing is feasible. The use of brass cases was discounted for a number of reasons 1) the number required, at least 50 2) if made from the solid 90% swarf 10% case 3) impossible to machine the boss/ cap recess in the cartridge base 4) finding tube to fit if soldering to the cartridge base. 5) paper cases look better with plastic cases a close second.. Robert Butler

09/03/2020 16:27:43

Further to the various posts concerning the proposed "manufacture" of pin fire cartridges. The British Association for Shooting and Conservation confirm it is legally permissible to manufacture ammunition for a weapon on my shotgun certificate and therefore not legal to manufacture for others. The project is stillborn. Thank you all for your contributions and warnings. Robert Butler

08/03/2020 20:27:28

Gentlemen, thank you all for your help, advice and information thus far. I will investigate the legality of producing the cases before proceeding any further and will post an update in due course. In the meantime I would welcome any further input. Robert Butler

08/03/2020 10:57:33

Gentlemen. Oops I may have posted a blank. Shotgun cartridges are made from thin wall paper or plastic tubes and unsupported would not stand the force of the explosion, it is the chamber/barrels which contain the forces generated by detonation. Apart from trials of new loads cartridges are not routinely proof tested.

Pin fire guns are not fitted with ejectors and some have no extractors relying on the protruding pin to remove the case from the chamber. Therefore if the case detaches it will be obvious when opening the gun to reload as only the brass head will be left. Not to dismiss the detached tube as trivial and having checked the legality of the project much experimentation with adhesives and tests including submission of ammunition to the Birmingham Gun Barrel Proof House will be undertaken before using in earnest.

I had discounted tinkering with centre fire ammunition as not all pin fire guns have a chamber rim and those that do have a much slimmer and narrower rim than modern guns/cartridges. I do know of at least two conversions which involved swageing the cartridge head to accommodate the lack of or smaller rim. A brass insert with a cavity to accept a percussion cap was then fitted to the vacant primer socket.

Thank you all for your contributions and help so far. Robert Butler

07/03/2020 23:15:13

Thank you NDIY, I do have a black powder license and load cartridges using new cases but perhaps as i need to make the cases puts this project into a different category and well worth checking. Robert Butler

07/03/2020 23:02:59

Gentlemen, thank you all for your replies, the legal aspect will need to be clarified before proceeding any further. To own a pinfire does not require any certification as it is obsolete, but if ammunition is available the weapon then needs to be entered on to the shotgun certificate of the owner before use. I can see the potential but thanks for alerting me to the issue. Robert Butler

07/03/2020 18:28:11

Gentlemen, a friend has a 16 bore pin fire shot gun and as this type of ammunition is obsolete i am trying to recreate pin fire cartridges for him. The original cartridge heads are made of pressings which sandwich a paper tube and a base wad to form the case. Some cases are rimless. I have designed a head to which I intend to fit the tube, either paper (card) or plastic with adhesive. The outside diameter of the tube is ) 0.75" and the tubes vary between 0.5 mm and 0.68 mm thick, The design can easily be modified to accommodate either wall thickness. I would prefer purely for aesthetic reasons to use new tube either paper (preferred) or plastic - the question is where can i obtain the tube? Thank you in advance for any assistance which would be most welcome. Robert Butler

Thread: The New Help and Assistance Topic
28/02/2020 21:07:09

Dear Neil I have successfully made contact with the vendor. thank you. Robert Butler

28/02/2020 11:26:38

Dear Neil

Thank you, i will try again. Robert Butler

27/02/2020 21:58:59

Classifieds: I responded twice to the advertisement for the Myford turret but can't be certain they were forwarded to the seller as they are still advertised. Is there any way of checking as i am still interested. Robert Butler

Thread: Rack operated tailstock ?
07/02/2020 14:23:53

The use of a Rack operated or lever feed tailstock is very convenient for most operations.

Robert Butler

Thread: Black & Decker Band Saw
25/01/2020 22:22:46

Dear Rod

Thank you again, replacement blade and drive belt received and fitted.

Robert

19/01/2020 21:14:03

Dear Rod

Thank you very much for your prompt reply. All appears to be available and I have placed an order.

Robert

19/01/2020 20:25:18

Gentlemen

I have an elderly B & D DN330 bandsaw which I now need to use after many years laid up. I wonder if any members can help me to locate spare blades and a drive belt. Both are serviceable - but! A description or measurements etc of what I require and likely suppliers would be appreciated.

Thank you in anticipation I will be grateful for any help.

Robert Butler

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