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Chrony test on 3 air guns, B-4-2As .

Proof of factory's oil dieseling.


      

Ok, here are the results of my Chrony tests on 3 different air guns with different treatments. All 3 air guns are B-4-2As and are .22 cal. I used Crosman Domed Pellets for the test. Each air gun is new and has only 10 shots each on them. 2 of the air guns were treated 10 shots ago and one has no treatment what so ever, just as it came.




The first chrony results are from a B-4-2A using "Slick 50 Advance formula" only.
fps:
642.1
636.8
642.1
631.2
680.1
659.5
643.5
661.5
656.8

The next air gun was treated with a mixture of Slick 50 and moly 10 shots ago.
fps:
622.9
616.6
598.2
577.3
568.4
565.0
565.6
582.6
567.7
559.8
566.4

The next air gun I tested has only 10 shots and has no treatments and is tested as it came from the factory.

fps:
602.7
643.4
613.8
621.4
619.8
601.8
609.0
604.2
590.5
575.9

I took a 15 minute break and I decided to test each air gun 5 more shots each.

Air gun using Slick 50 only treatment.
fps:
577.5
597.6
629.0 using 2 pumps of air.
626.1
592.4
Air gun using Slick 50/moly mixture.
fps:
551.8
573.4
561.4
560.6
561.3
Air gun that has no treatments.
fps:
565.9
474.9***
482.6
472.0
464.6
Extra shot
455.5

From these tests I found that the un-treated air gun's factory oil dieseled became thick/sticky and caused lost of power with only 21 shots (total: 26 shots), which is something I have known for the longest time and have stated it time and time again. Notice the drop in power where I have placed 3 stars on the fps number.

The best speeds (fps) came from the air gun that was treated with Slick 50 only.

I also found that the Slick 50/moly mixture gave the best consistency after 23 shots.

Well guys, I hope you all found the results interesting I sure did.

Sincerely,
Eddie Ferrer

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