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Re-post of .25 Cal chrony numbers

March 3 2008 at 8:11 AM

Whiteleather  (Login Whiteleather)
from IP address 71.127.182.237

 
I had this info attached to the middle of another thread. Thought it got missed so am posting it under its own leader.

Went to the shooting range with:

a newish Diana 48 in .25 cal. All stock.
an old Kodiak in .25 cal. All stock.
an old Tomahawk in .25 cal. Maccari spring (don't know which one).

My buddy just got the used Tommy in the post and we were setting it up. I figured I would bring the other rifles for comparison. Accuracy was superb at our indoor distance of 50'.

Chrony results with a 21 gr Diana Dome showed:

Tomahawk at 678 fps
Diana 48 at 710 fps
Kodiak at 760 fps.


Kris in NY

 
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AuthorReply

(Login lettercarrier)
96.228.244.87

Nice #'s

March 3 2008, 10:51 AM 

most impressive is the 48 shooting 710 fps, you failed to let us know what are the #'s on accuracy

could you PLEASE repost on CTC on each gun, on needles and pins until you answer. that will provide a better picture on these 3 gun

excellent post, this one and in .25 cal very rare indeed, compound that with 3 different guns, I will give you 3 thumb's UP

warren

and remember "it's 30% the gun and 70% the shooter"

 
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(Login only1harry)
71.169.42.242

wow

March 3 2008, 1:03 PM 

What was done to the 48? I 've seen a couple of other people at other web sites reporting low-mid 600's for ~18fpe. 23.5fpe is not stock power. That's faster than what most 350's shoot 21gr Kodiaks (.22). My 350 .22 tops out at 670fps with Kodiak pellets. The 350 .22 Tom Gaylord tested was shooting 689fps with 21.1gr Kodiaks. How can the 48 be more powerful when it's not supposed to be in either caliber?
I know! You must have a 48 with a 350 spring & piston!

Good job and good #'s. How accurate are the 25's at 50ft?

Diana 350 Mag .22
Hammerli 850 .22
A few Crosman CO2 & Pump .177

 
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Whiteleather
(no login)
71.127.182.237

.25 Cal Rocks

March 3 2008, 1:34 PM 

So you want CTC numbers? Hmmm...that means I have to go back to the range with all three guns again...and I really hate to shoot.

I can get you real numbers later on, but suffice to say that supported shooting (resting elbows on a bench and leaning my chest against the bench edge) all three guns easily kept 5 shots well inside a 0.75" orange dot. I have a stock Diana 54 in .22 that will keep 5 shots in the same hole. My Kimber, Winchester 75, and TC Contender in .22lr will do that too.

The Kodiak had the advantage of the better trigger of the lot.

The Tomahawk had the disadvantage of being tiring to cock over and over again.

The Diana 48 had no mods or adjustments at all. You can read my original review of that same gun here: http://www.airguns.net/reviews_rws48.php

You can also see my original chrony numbers here: http://www.airgunexpo.com/airgundb/airgundb_list.cfm?sort=submit_a (Damn I did a lot of work with airgus in 2005!) My Diana 350 numbers are there as well.

Sort the list by name and look for "Kris Whiteleather". My chrony is consistent, but it may not be calibrated the same as YOUR chrony. Point is that my comparison of guns shot through this chrony is accurate. But all three guns may show a lower or higher FPS value on a different chrony. Always keep that in mind.

And if you have time...consider looking at my Gun Club site: http://members.aol.com/WaterlooRPC We are having a Raffle. Only one airgun. I didn't choose it. Personally I would have put a Diana 54 in .22 up there.

Kris in NY

 
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(no login)
96.228.244.87

Buddy, absence of CTC #'s means

March 3 2008, 2:17 PM 

you owe us some more info

Hey! you started enticing us with your first post about the 3 different guns' in 25. cal keep the blood flowing don't need a heart attack now

warren

PS: nice site Kris and nice CAVE for shooting pellets, it even has a bathroom, like I have time to piss when I am shooting pellets. LOL

 
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