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I have 5k 209 cheddite primers, none of the load listings on the Hodgon site shows these, do any of you know what they are comparable to? thanks!
 

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Some of the folks I shoot with are using them in place of win 209s because that and nobel sports are all we can get. I don't know if the cheddites open the primer pockets like the nobels or not. Check that out before you prime all your hulls with them just to find out a winchester primer will fall out the next time you try to use them.
 

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Yes, I believe the Cheddites will open the primer pocket, same as Fiochie's. I am under the impression that they are just a bit hotter than Win 209's but not enough to cause problems except perhaps in a wild cat load.

The biggest concern with Cheddites I believe comes from the depth that your firing pin protrudes. Guns where the firing pin makes a big divot into the primer have had problems piercing the Cheddite primer resulting in firing pin erosion. (This is my own theory, and is not a recognized or agreed upon fact) Unfortunately, those also seem to be some of the more expensive guns like krieghoff's. I have shot 10-15k of them and never had a problem in my 682 and 525.

Jim
 

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The Cheddites are the same diameter as the win209s. They will not open the primer pocket. K guns do indent them further, in my gun, down to the anvil. Mine doesn't however, pierce them. No erosion noticed.

There is a bigger problem using Cheddites. They are "hotter" than some other primers. If trying to use them, for example, with Claydot powder, and 1 1/8oz shot, at 1200 fps, the pressure zooms. 1 oz and lighter loads seem okay. Be sure you are following published data when using these primers.

Thank you,
Longshooter
 

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longshooter said:
There is a bigger problem using Cheddites. They are "hotter" (sic) than some other primers. If trying to use them, for example, with Claydot powder, and 1 1/8oz shot, at 1200 fps, the pressure zooms. 1 oz and lighter loads seem okay. Be sure you are following published data when using these primers.

Thank you,
Longshooter
Longshooter, on what basis do you make this claim? I have never heard of Cheddites making any book load pressure zoom. As far as I know, they are a direct replacement for any published load.

Jim
 

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Look in Hodgdon. 1 1/8, Clays, Ched 209, waa12, Rem hull, and notice that the powder charge is only 16.4 grains for 10,600 psi. Trying to make a 1200 fps load will carry you into never, never land.

Notice, also, that the same load with a win primer will get you to 1200, but you would NOT want to sub a C primer here.

Thank you,
Longshooter
 

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Longshooter, went to Hodg site, can't find any data using Cheddite primers at all. Not in 1 oz load, nor in 1 1/8.

Did find a Lyman load, 1oz, cheddite 209 primers, 21g Clays, 1290fps, 10,700psi.
 

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DrJim said:
I am under the impression that they are just a bit hotter than Win 209's but not enough to cause problems except perhaps in a wild cat load.
Jim
DrJim,

Look in the Hodgdon reloading manual.

I have told you where the problem exists. You need to find the data. Subbing primers is not always tame.

I hope this proves to be helpful.

Thank you,
Longshooter
 

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Went to the hodg site and looked at their data, it says nothing about Cheddite primers at all. i use Lymans 4 & 5th, and it does not give the load you are refering to so other than the Hodg site and Lyman, I can't find what you are speaking about.

Went to the alliant site, they are not giving any data for Cheddite primers either, but it seems like a great site.

Lymans does show a couple of 1 1/8 loads using Green Dot and Cheddites',
Win 209, 21g green dot, fed gold plastic case, 1190fps and 9400psi
Chedd 209, 21.5 green dot, Cedd case, 1175fps, and 7,600psi

Not sure how relevant this data is as it's different cases and different wads. But in this instance anyway, the Chedd would seem to actually give a lower pressure. My understanding is they are a bit hotter, but it does not seem an across the board thing. Perhaps Curly or DL or Shoot 2 will be able to shed more light on this.

Thanks for your input Longshooter.

Jim

Edit: Back in 2005, Quickshot wrote: "I personally called Alliant regarding this issue and they specifically told me that I could safely use a cheddite (american import) in place of a win 209 in any of their published loads using Alliant powder. If you don't believe me call them and ask them at 1-800-276-9337. Ask for Ben.viewtopic.php?t=42350
 

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Long list, straight from the Hodgdon site. Just look at the first entry, then the last. It puts Cheds about as hot as the Fed 209A; considering .2 grains more powder and 600psi more for the same velocity.

Lead Shot 12 1 1/8 oz. Clays Ched. 209 WAA12 16.4 10,600 PSI 1145
Lead Shot 12 1 1/8 oz. Clays Ched. 209 Windjammer 15.7 8,100 PSI 1090
Lead Shot 12 1 1/8 oz. Clays Ched. 209 Windjammer 17 9,500 PSI 1145
Lead Shot 12 1 1/8 oz. Clays Ched. 209 Windjammer 18.3 10,800 PSI 1200
Lead Shot 12 1 1/8 oz. Clays Fed. 209A Hor. Versalite 15.5 9,600 PSI 1090
Lead Shot 12 1 1/8 oz. Clays Fed. 209A Hor. Versalite 16.6 11,000 PSI 1145
Lead Shot 12 1 1/8 oz. Clays Fed. 209A Red PC 15.8 8,900 PSI 1090
Lead Shot 12 1 1/8 oz. Clays Fed. 209A Red PC 16.6 10,200 PSI 1145
Lead Shot 12 1 1/8 oz. Clays Fed. 209A Red PC 18 11,300 PSI 1200
Lead Shot 12 1 1/8 oz. Clays Fed. 209A Rem. Fig. 8 15.8 9,500 PSI 1090
Lead Shot 12 1 1/8 oz. Clays Fed. 209A Rem. Fig. 8 16.9 10,700 PSI 1145
Lead Shot 12 1 1/8 oz. Clays Fed. 209A WAA12 15.5 9,900 PSI 1090
Lead Shot 12 1 1/8 oz. Clays Fed. 209A WAA12 16.6 11,200 PSI 1145
 

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magoo said:
Long list, straight from the Hodgdon site. Just look at the first entry, then the last. It puts Cheds about as hot as the Fed 209A; considering .2 grains more powder and 600psi more for the same velocity.

Lead Shot 12 1 1/8 oz. Clays Ched. 209 WAA12 16.4 10,600 PSI 1145

Lead Shot 12 1 1/8 oz. Clays Fed. 209A WAA12 16.6 11,200 PSI 1145
Yep magoo, see what you mean. The Chedd develops 600 less psi, uses .2 grains less powder, and puts out the same 1145 fps. Looks like the Chedd is actually a better choice in this load do to the lower pressure and equal velocity. 11,200 is getting up there, the 10,600 looks much more like were I would rather be.

Perhaps Longshooter was thinking of a different load developing a pressure Zoom.

Jim
 

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ok, try me again.
 

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I am under the impression that they are just a bit hotter than Win 209's but not enough to cause problems except perhaps in a wild cat load.
Well a wildcat load would be exactly what you'd make if you subbed them for Win209s.

"Lead Shot 12 1 1/8 oz. Clays Win. 209 WAA12 18.4 11,300 PSI 1200 "

So stick that Cheddite that is virtually as hot as the Fed, and that 11,200 from 16.6 grains of clays goes right over the top with 18.4 grains. Is that a "zoom"?
 

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magoo said:
Long list, straight from the Hodgdon site. Just look at the first entry, then the last. It puts Cheds about as hot as the Fed 209A; considering .2 grains more powder and 600psi more for the same velocity.

Lead Shot 12 1 1/8 oz. Clays Ched. 209 WAA12 16.4 10,600 PSI 1145
Lead Shot 12 1 1/8 oz. Clays Ched. 209 Windjammer 15.7 8,100 PSI 1090
Lead Shot 12 1 1/8 oz. Clays Ched. 209 Windjammer 17 9,500 PSI 1145
Lead Shot 12 1 1/8 oz. Clays Ched. 209 Windjammer 18.3 10,800 PSI 1200
Lead Shot 12 1 1/8 oz. Clays Fed. 209A Hor. Versalite 15.5 9,600 PSI 1090
Lead Shot 12 1 1/8 oz. Clays Fed. 209A Hor. Versalite 16.6 11,000 PSI 1145
Lead Shot 12 1 1/8 oz. Clays Fed. 209A Red PC 15.8 8,900 PSI 1090
Lead Shot 12 1 1/8 oz. Clays Fed. 209A Red PC 16.6 10,200 PSI 1145
Lead Shot 12 1 1/8 oz. Clays Fed. 209A Red PC 18 11,300 PSI 1200
Lead Shot 12 1 1/8 oz. Clays Fed. 209A Rem. Fig. 8 15.8 9,500 PSI 1090
Lead Shot 12 1 1/8 oz. Clays Fed. 209A Rem. Fig. 8 16.9 10,700 PSI 1145
Lead Shot 12 1 1/8 oz. Clays Fed. 209A WAA12 15.5 9,900 PSI 1090
Lead Shot 12 1 1/8 oz. Clays Fed. 209A WAA12 16.6 11,200 PSI 1145
I realize that this may veer slightly off topic, but it looks like the wad used has more to do with pressure changes. Would that be a fair assumption? Never really did any comparisons, as I usually just find a published load that meets my needs and then load it :wink:
 
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