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by mtngun
Mon Feb 04, 2008 6:33 pm
Forum: pressure measurement
Topic: two strain gages on one gun
Replies: 4
Views: 5575

two strain gages on one gun

from the old forum: Since the last range session, I mounted a second, new strain gage on the 30-06. It is located in the same place as the other gage, except the old gage is on top of the barrel while the new gage is on the bottom. In theory, they should give the same results, but I was concerned t...
by mtngun
Mon Feb 04, 2008 6:27 pm
Forum: pressure measurement
Topic: Cast in 7-30 carbine
Replies: 3
Views: 4010

Re: Cast in 7-30 carbine

from the old forum: This post is going to talk about my experiences with the pressure trace system in boring detail, but some of you who are also learning to use the pressure trace or who are thinking about buying a pressure trace may find the details useful. Since last time, I repositioned the gag...
by mtngun
Mon Feb 04, 2008 6:15 pm
Forum: pressure measurement
Topic: how not to attach a strain gage
Replies: 0
Views: 4686

how not to attach a strain gage

from the old forum: Some of you will probably get a Pressure Trace eventually so maybe you can learn from my mistake. :oops: You are only supposed to use particular adhesives to attach the gages. The instructions make that quite clear. Most of the approved adhesives are priced as if they contained ...
by mtngun
Mon Feb 04, 2008 6:10 pm
Forum: hi velocity
Topic: Paper patch in 30-06: with and without a GC
Replies: 3
Views: 7731

Paper patch in 30-06: with and without a GC

from the old forum, some parts were lost in the move to the new server so the thread seems to ramble: Today I tried paper patching a 165 gr hollow point. This bullet started out as a conventional lubed bullet, more or less a loverin design, that I had shot last year and it shot about as well as any...
by mtngun
Mon Feb 04, 2008 6:05 pm
Forum: revolvers
Topic: plain base bullets in the wheelgun from hell, continued
Replies: 3
Views: 4665

plain base bullets in the wheelgun from hell, continued

In yet another valient effort to get plain base bullets to shoot well in my 4" S&W M29 with the 0.4336" throats, today I tried using Rooster HVR lube, instead of the homemade lube EL#3 that was used in the previous experiment. Rooster HVR has been the cleanest lube tested to date in ot...
by mtngun
Mon Feb 04, 2008 6:02 pm
Forum: pressure measurement
Topic: Cast in 7-30 carbine
Replies: 3
Views: 4010

Cast in 7-30 carbine

From the old forum: Today was Christmas, Fourth of July, and my birthday all rolled into one, because my pressure trace arrived !!!! :lol: I mounted one of the strain gages on a 7-30 TC carbine, just because the TC is amenable to mounting a gage. This gage was mounted with superglue so that it could...
by mtngun
Sat Feb 02, 2008 6:50 pm
Forum: alloys
Topic: how I heat treat wheelweight
Replies: 1
Views: 3853

how I heat treat wheelweight

There is more than one way to do the job, but the following method has always worked for me, and no special equipment is required. -- apply gas checks and size (usually with a push-thru sizer). The bullet is not lubed at this time, though sometimes a teeny bit of lube is used to ease the passage thr...
by mtngun
Fri Feb 01, 2008 11:04 pm
Forum: General
Topic: Random thoughts on bullet design
Replies: 0
Views: 3746

Random thoughts on bullet design

An ongoing debate on bullet design ....... Worst (and most common) design mistake: long unsupported nose. An unsupported nose will slump to one side in the barrel and cause poor accuracy (exception: some soft alloys may obturate enough to make an undersize nose fit the barrel, especially with black ...
by mtngun
Fri Feb 01, 2008 10:08 pm
Forum: alloys
Topic: FAQs
Replies: 4
Views: 21099

FAQs

How long is your lead time? The current lead time is always posted on the home page. Phone number? Sorry, there is no phone. What is your specialty? I'm glad you asked! :) Mountain Molds specializes in semi-custom molds for smokeless revolvers, lever actions, and high velocity rifle. Will you desig...
by mtngun
Fri Feb 01, 2008 6:45 pm
Forum: General
Topic: New server, missing data
Replies: 2
Views: 2149

New server, missing data

The good news is that the new server is working OK. The new server is more up to date, bigger, and supposedly better ...... and it supports the latest phpBB forum software, which is supposed to fix a lot of bugs. The bad news is that I was not able to figure out how to import the database from the o...

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