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Very Hot Topic (More than 25 Replies) Bullet Designs and Specs (Read 51561 times)
frnkeore
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Re: Bullet Designs and Specs
Reply #30 - Oct 27th, 2014 at 6:39pm
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Four fairly common 25 calibers for the turn of the century. From my collection.

Frank
  

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frnkeore
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Re: Bullet Designs and Specs
Reply #31 - Jan 20th, 2015 at 3:44am
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Four more. The first one is my 3rd Ron Long 30 cal bullet, The one that the wife has been shooting in her 32/20.


  

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frnkeore
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Re: Bullet Designs and Specs
Reply #32 - Mar 17th, 2015 at 3:30am
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I edited some of my first drawings on page 1 and put the actual tapered band diameters on them so, the "various tappered bands" doesn't apply any more.

A few more for your viewing pleasure.

The first one is a NEI 7mm, 4 cav that I bought but reamed the GC's off 2 cavs so it's SS legal. The last three can be had at the NOE site.

Frank
  

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Re: Bullet Designs and Specs
Reply #33 - Mar 18th, 2015 at 9:35pm
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Glad you keep posting these Frank.  I've been so busy I've neglected the learning curve.  Your drawings keep reminding me.   

I'd like to do what you are doing, though I've not the vintage molds you have.  Still hope to draw what I do have one of these days.   What I really need to do though is get started on a mold I want to order from Tom at Accurate.   After I get the kinks worked out of a couple Ballards and enough reloaded for a couple summer time shoots I hope the get out in front of that one.   Was really hoping to do the drawing before I order, if for nothing else to learn the program and say I did it.   

Time keeps slipping...
  

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John
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frnkeore
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Re: Bullet Designs and Specs
Reply #34 - Mar 30th, 2015 at 12:04pm
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For those interested in the Eagan bullet designs, I resently was given Eagans catalog so, I'm drawing them up in this format. All his designs are for linotype as the alloy.

Frank
  

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frnkeore
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Re: Bullet Designs and Specs
Reply #35 - Jun 3rd, 2015 at 1:53am
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A Tribute to Paul Jones.

The .3165 & 1.17 lg, .32 molds are mine. The 25 and 1.29 lg, 32 cal bullets are ones that Dave Patterson gave me. Thank you, Dave.

If anyone has a PJ 30 cal bullet that they could send me, I would like to add it to this collection.

Frank
« Last Edit: Jun 3rd, 2015 at 11:27am by frnkeore »  

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QuestionableMaynard8130
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Re: Bullet Designs and Specs
Reply #36 - Jun 3rd, 2015 at 8:21am
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Just a general question.  I note that some designs in the same basic bore diameter bullet have significant differences in the length of the "base-band".   Assuming a tight enough bore-bullet fit to provide adequate gas seal; does the length of the base band make any difference other than to add or subtract mass weight/bullet length and thus S.D. ?
  

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frnkeore
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Re: Bullet Designs and Specs
Reply #37 - Jun 3rd, 2015 at 11:55am
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Wayne,
In general, the longer base bands are a feature used for BSing. It allows more adjustabilty in setting the BSer for best accuracy, as well as adding strenght to the base band to prevent collapsing the band, into the groove at ignition. They are also, in general, about .001 larger in diameter than the nominal groove diameter, to ensure a good seal of the barrel and prevent gas cutting.

Personally, I think that a bullet made for BSing should have a minimum, base band lenght of about .3 of the groove diameter but, as long as the base band seals the barrel and prevents gas cutting, it's fine. The long base band just makes it a little easier to do.

My PJ .3165 diameter bullet was made for shooting fixed, Tommy Mason has one that looks just like it but, has the wider base band, because he order his for BSing.

As yet, I haven't be able to shoot mine because my groove is .315 and it won't fit in my BSer w/o sizing and I haven't got around to making a sizer. If I have any trouble with it, I can always lenghten the base band.

Frank
  

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frnkeore
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Re: Bullet Designs and Specs
Reply #38 - Jun 9th, 2015 at 1:46am
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A few years ago, a close friend, sold me his 44 1/2. I had installed a Bo Clerke 30 cal Barrel on it in 32/35 Stevens. At a later date, he had a 25/35 barrel put on it and I also got that barrel. I sold that barrel but, kept the 25 cal, Barnett mold. That happened four years ago well, yesterday he found the catalog that he got with the mold and brought it over to me.

Because Jerry Barnett was such a great mold maker and because he has such a wealth of very interesting and useful information in the catalog, I thought that I would post the complete catalog for everyone enjoyment.

The catalog is from March of 1994 and he was selling is molds for $85 with handles at that time. Note, that he wrote (Pg 16) that as of April 1st of '94, he was raising his price $5.

Enjoy,

Frank
  

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Re: Bullet Designs and Specs
Reply #39 - Jun 9th, 2015 at 1:48am
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Re: Bullet Designs and Specs
Reply #40 - Jun 9th, 2015 at 1:50am
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Re: Bullet Designs and Specs
Reply #41 - Jun 9th, 2015 at 1:52am
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Re: Bullet Designs and Specs
Reply #42 - Jun 9th, 2015 at 2:05am
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This is the last page. Note that it is a paste in, suppliment with his 25 and 45 caliber designs. On the inside cover, he states that the 45 cals will be available in early '93 (he hopes) so, the 25 cals like I have may have been available about the same time, possibly.

I'm also picturing my mold and it's dimensions. Mine is the 25 - 2.
Frank
  

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Re: Bullet Designs and Specs
Reply #43 - Jul 31st, 2015 at 2:56pm
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I was asked to check out a Pioneer mold so, I drew it up, too.

The next two are a Modern Bond mold that I have. Both bullets are cut in the same block and are from the same cherry just one is shorter. The second set of MB mold numbers are the designed length but, for what ever reason, it didn't come out that way. Shrinkage would allow for .005 but, they are .015 short.

Frank
« Last Edit: Jul 31st, 2015 at 3:02pm by frnkeore »  

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Re: Bullet Designs and Specs
Reply #44 - Jan 11th, 2016 at 3:22pm
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More bullets.
My 319273 & Andels version of the 311403
Beltfed's 308281 & 311403

A note:
On the 308281, there is a dirt cather groove at the juction of the nose & the SR band. The program won't let me draw it though.

Additional note:
I found a article by JoeB and in that article, it had a drawing of this bullet, done by Bobbie Kell Jr. The dimensions vary a little from the bullets I got from Beltfed, the main one is the meplat, .200 vs .184. It's not suprising since Ideal/Lyman cherry's differed through out there manufactoring history.





Frank
« Last Edit: Jan 14th, 2016 at 12:50pm by frnkeore »  

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