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50-70 smokeless loads (Read 11956 times)

George Babits Frequent Elocutionist Offline Posts: 1113 Joined: Sep 27^th, 2012	Re: 50-70 smokeless loads Reply #15 - Dec 25^th, 2015 at 9:07pm	Print Post
	I'd bet the FAA would have a shit hemorage if they cought you doing that! George


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coljimmy Senior Forum Member Offline Posts: 283 Joined: Nov 10^th, 2012	Re: 50-70 smokeless loads Reply #16 - Dec 26^th, 2015 at 11:27am	Print Post
	I learned that trick from an old Waco 10 pilot. Neither OX-5 nor A-40 engines had upper valve lubrication worth a damn and Mystery Oil is the answer, time honored, and older than the FAA. These young FAA geeks are all ex-airfarce retirees and know little about older recips, just blow jobs (jets). Do you have a favorite duplex recipe for 50-70 or 45-70? James


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ballardhepburnmich ASSRA Board Member Offline Posts: 598 Location: Scotts,mi. Joined: May 20^th, 2015	Re: 50-70 smokeless loads Reply #17 - Dec 26^th, 2015 at 12:06pm	Print Post
	I have a 50/70 rolling block which is one of those weak old black powder actions, so I shoot black in it. My load is 425gr. GG a priming charge of 33gr. IMR 4198 and .05 gr. FG . It is very accruate with a velocity avg. of 1450 fps.


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calledflyer Frequent Elocutionist Offline Posts: 3666 Joined: Mar 9^th, 2015	Re: 50-70 smokeless loads Reply #18 - Dec 26^th, 2015 at 12:17pm	Print Post
	Mr. Babbits, I haven't heard that phrase for decades. One of my dad's favorites, it was. Coljimmy, I never heard a jet referred to by that phrase. Learned a new one there. Thanks guys.


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KenHo Junior Member Offline Posts: 81 Joined: Jun 29^th, 2015	Re: 50-70 smokeless loads Reply #19 - Dec 28^th, 2015 at 4:44pm	Print Post
	ballardhepburnmich wrote on Dec 26^th, 2015 at 12:06pm: I have a 50/70 rolling block which is one of those weak old black powder actions, so I shoot black in it. My load is 425gr. GG a priming charge of 33gr. IMR 4198 and .05 gr. FG . It is very accruate with a velocity avg. of 1450 fps. Did I read that correctly, 33 grain "priming" charge withi .05 grain of Fg?

	KenH>
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moodyholler Oldtimer Offline Posts: 702 Location: Blue Ridge Joined: Oct 11^th, 2005	Re: 50-70 smokeless loads Reply #20 - Dec 28^th, 2015 at 7:01pm	Print Post
	Many an old tractor engine out there with 1000's of hour's including VAC Case and Allis Chalmers WD and WD45's I have extensive experience with. Later, mooodyholler


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ballardhepburnmich ASSRA Board Member Offline Posts: 598 Location: Scotts,mi. Joined: May 20^th, 2015	Re: 50-70 smokeless loads Reply #21 - Dec 29^th, 2015 at 12:14pm	Print Post
	KenHo, yes you read it correctly. I was trying to poke some fun at the black only crowd by keeping the load a black powder load with a large smokeless priming charge and also be helpful to the gentlemen who inquired about smokeless loads. My rifle is a 50-70 Rem rb, I started at 28gr. 4198 and the group was not great so I went to 29gr., it improved. I worked up 1gr. at a time until I got groups from 3/4 to 1 1/2 at 100 yds. , velocity was about right at 1450 avg.


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KenHo Junior Member Offline Posts: 81 Joined: Jun 29^th, 2015	Re: 50-70 smokeless loads Reply #22 - Dec 30^th, 2015 at 9:15am	Print Post
	Thanks for the confirmation - yep, just a good smokeless load, but it DOES have "holly black" in it Ken H>

	KenH>
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