Search found 745 matches

by williada
Sun Jan 20, 2019 1:25 pm
Forum: Equipment & Technical
Topic: throat angle
Replies: 54
Views: 1458

Re: throat angle

Hi Frank, some of what you have been describing has confirmed what I was comparing with the Bisley reamer and the 95 Palma in a dozen test barrels of varying land and groove depth way back. The neck clearance for the Palma was about .002” and the Bisley was about .004”. Warner went for performance a...
by williada
Sat Jan 19, 2019 9:33 am
Forum: Equipment & Technical
Topic: throat angle
Replies: 54
Views: 1458

Re: throat angle

There are carbon issues with tight necks and long strings. I like about .003" clearance i.e. 0.0015" either side of the loaded round. It was Boyer who demonstrated how the correct neck clearance can be determined by the carbon wave on the neck. It is meaningful in determining that your rif...
by williada
Wed Jan 16, 2019 2:23 pm
Forum: Equipment & Technical
Topic: throat angle
Replies: 54
Views: 1458

Re: throat angle

Bruce, I am glad to see you adding to the knowledge pool because there is not much we can get out of the law of diminishing returns and we are kicking a thimble full of nuances which of course if you have an inquiring mind are huge because they are there. Peter, that is good to know and something to...
by williada
Wed Jan 16, 2019 10:54 am
Forum: Equipment & Technical
Topic: throat angle
Replies: 54
Views: 1458

Re: throat angle

Peter, are the polymer tips falling out when manipulated with your fingers for instance? I know securing polymer to a stake can be difficult from when I was experimenting with bullet re-alignment tooling. I am not pushing the Hornady's, although I find them to be a great bullet as have other club me...
by williada
Tue Jan 15, 2019 10:09 pm
Forum: Equipment & Technical
Topic: Submerging barrels in cleaning solutions
Replies: 31
Views: 1210

Re: Submerging barrels in cleaning solutions

Thanks Trevor.
by williada
Tue Jan 15, 2019 6:59 pm
Forum: Equipment & Technical
Topic: Submerging barrels in cleaning solutions
Replies: 31
Views: 1210

Re: Submerging barrels in cleaning solutions

Hey Trev, I would be interested to know, and assuming the Helmar was not contaminated by dipping the jag and patch into the bottle, whether you got anymore blue on the patch having previously cleaned it with Boretech and wiped out?
by williada
Tue Jan 15, 2019 4:29 pm
Forum: Equipment & Technical
Topic: throat angle
Replies: 54
Views: 1458

Re: throat angle

Thank you for posting Frank. Raises lots of little things to think about and how we can bring it back to the topic of throat angles. I wonder if bullet makers take into account the yaw of repose when bullets spin at different rates which alter the yaw of repose with the external force and direction ...
by williada
Mon Jan 14, 2019 5:41 pm
Forum: Equipment & Technical
Topic: Submerging barrels in cleaning solutions
Replies: 31
Views: 1210

Re: Submerging barrels in cleaning solutions

Sound advice Brett. VRA stocks it and you can buy it on the net.
by williada
Sun Jan 13, 2019 6:59 pm
Forum: Equipment & Technical
Topic: throat angle
Replies: 54
Views: 1458

Re: throat angle

G''Day Bruce, I've sat back on this one, but I have reported on Ozfclass before some of my findings using different reamer leade angles in testing I did for NRAA back in 2003 from the machine rest. The angles tested were 1/2, 3/4, 1.15 and 1.30 degrees for Palma. I have subsequently tested out to 3 ...
by williada
Fri Jan 11, 2019 4:46 pm
Forum: Equipment & Technical
Topic: Abrasive cleaners and copper fouling
Replies: 31
Views: 1200

Re: Abrasive cleaners and copper fouling

Catch 22 with the cleaning and wear. Wal and Bruce are correct with regards to oversize bores and flame cutting and yes some steals are soft. Barrel makers are at the mercy of suppliers. Button barrel makers have to re-heat treat several times and this may eliminate the problem of soft steel. The ri...
by williada
Wed Jan 09, 2019 9:12 pm
Forum: Equipment & Technical
Topic: Abrasive cleaners and copper fouling
Replies: 31
Views: 1200

Re: Abrasive cleaners and copper fouling

Hi Peter, yes it can but my advice is to use aluminium oxide because it breaks down into a slurry. For other contemplating the effort, don't use silicon carbide or diamond paste. Do use it on a cast lead lap and not on a patch. My preferred method is before a chamber nip and before a minor re-crown ...
by williada
Tue Jan 08, 2019 11:09 pm
Forum: Equipment & Technical
Topic: Abrasive cleaners and copper fouling
Replies: 31
Views: 1200

Re: Abrasive cleaners and copper fouling

Argh you may have polished her up too much with a good scrub out. Too smooth and copper sticks like plasticene to glass.
by williada
Tue Jan 08, 2019 5:21 pm
Forum: General Forum
Topic: The Future
Replies: 145
Views: 12841

Re: The Future

Hi Barry, I can rightly speak with experience in brokering the transition from Federal control to State control in Victoria of VRA rifle ranges meeting with the then Defence Minister Moore representing the VRA; and before that for the VRA with the Hamer Liberal government, closely followed the Cain ...
by williada
Mon Jan 07, 2019 10:39 pm
Forum: Equipment & Technical
Topic: Necking up cases and donuts
Replies: 2
Views: 265

Re: Necking up cases and donuts

Richard Utting sums it up pretty well. https://www.youtube.com/watch?v=EyJ9KkE2pVc
by williada
Sun Jan 06, 2019 10:20 am
Forum: General Forum
Topic: The Future
Replies: 145
Views: 12841

Re: The Future

Well put Barry and Potshot. Live by the sword and you will die by the sword. Our key asset is control of the ranges through rights to them or ownership of some of them. The control won't be lost and this I feel is the sticking point for some with closed minds, if we share those ranges by way of lega...

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