Sefic carbon air tank inside damage
- By Silent shot
- Tanks, Pumps, Compressors
- 23 Replies
^ Thanks for that information.
Upvote 0
Carbon fiber wrapped tanks are actually aluminum and wrapped in CF. Fatigue is what kills HPA tanks regardless of material. Every time a tank is filled, it expands then it contracts on discharge. There is always a fatigue limit before failure occurs, hence, a use time limit. Aluminum has a lower fatigue limit than steel. Adding a CF wraps reduces the expansion and along with that strength and effective life, especially with aluminum. Another cause of failure is water. Water causes corrosion. This can be detected with the use of a borescope. a periodic proof test overpressures the wank with water and the rate of swelling is then measured against a safety standard, but this test is NOT a definitive test with CF wrapped aluminum tanks.. Enforcement of these use rules fall on the shoulders of the guy filling the tank. If that is is you, you need to pay attention and inspect your own tanks. HPA is dangerous, please pay attention and take appropriate precautions.
Where are you seeing the GX CS4 Compressor for $340?AirForce Talon SS in 22Cal $452
GX CS4 Compressor $340
Get some BKL Rings, and a decent little scope and youre cookin. Thats all new with full warranties and you are under budget.
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Wouldn’t want to be a squirrel in your backyard. Marvin, if you ever feel like selling that old crappy Leupold 45X send me a PM.Due to the extreme heat I haven't been shooting very many cards other than one or two just before sunset occasionally. Today, it was 97F so, I decided to defrost the freezer in the garage and in the process I realized that it was quite uncomfortable as there was only a light breeze blowing. While waiting for the ice to melt I put out my wind flags and both 30 yd and 40 yd Challenge cards and then shot three 30 yd cards with my Chip Smith Sumo with my best score being 198-15X. Got the freezer going again and refilled and decided to switch to my Thomas for the 40yd card. Shot a 199-13X and decided to shoot a 30 yd Challenge with the Thomas since I hadn't shot anything other than 30 yd Masters cards with it this year. I picked a proven tin of pellets as conditions were extremely good with a very light almost steady left to right breeze and ended up with a 23X card. Forgot about the heat while shooting the last card.
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Thanks Jim!Great shooting Tommy. One of the issues I had with my Caiman when it was new was the cover over the pressure gauge kept falling off. Finally I looked at it closely and it was obvious the laminated wood stock was pushing the cover off the gauge. A little sanding like you describe for your fill issue and that issue was permanently resolved. My more long standing hobby is woodworking so that sort of issue is much more minor for me than things like figuring out why a regulator doesn't work properly. But it's fun to learn new things too.
Did the same today….357 NOE 84 gr pellet mold from Al’s retirement sale.
Gez - Gesetzlich Geschützt or ges gesch -legally protected. This is a patent stamp of the 3rd Reich (not used after the war) and has nothing to do with rifled barrels.True, but that's because in some nations rifled barrels were not permitted. In occupied Germany the rifling was forbidden for potential military use reasons.
Actually some very early post war barrels are stamped "gez", indicating rifling.
You are mistaken, smoothbore barrels were produced before the war in the late 1930s. Zenith, Diana, CZ and even IZH installed smoothbore barrels in parallel with rifled ones on the same models. Most likely, this was due to the cost of production, everyone could choose a barrel according to their budget....someone should correct me if I'm wrong, but I think the HW50 "V" was the improved model in that the barrel was rifled, the very first having been smooth bore.
The smooth bore was because in the immediate post war period rifled barrels were too accurate, and so too similar a really frightening gadget like an MG42?
So I'm not sure if the HW50V was really the first?