The Craftmans Shop > Backyard Ballistics
Spring air rifles
Jonny:
Thats the way it should be John, other people cant grasp the concept or logic.
By keeping it tight and where delrin flexes off, steel keeps it straight in the direction of energy released.
Understand these tuners, they use springs locally made on a mandrel, nothing dimensionally accurate and have to fit all diameters. Of course this then gives off the twang and to combat that coat the spring with underbody car sealant or Rocal gear stuff to absorb this resonance. In doing so absorbs power or energy transmitted.
Whos fooling who, people are mugs paying for bad workmanship and raving about it after.
keithomas:
im guessing your a shooter then johnny?
S. Heslop:
Just got myself a SMK B2 at a second hand shop. It's hard to tell if it's me or the rifle but I didn't have much luck consistently hitting a few cans at the bottom of the garden. It's smoking from the barrel after a few shots (dieseling?) and a few of the fired pellets I found were squashed on the side, which to me suggests that they could be tumbling in flight. I might try hitting a steel plate perpendicular tomorrow (with eye protection at least!) to see how that turns out.
Any suggestions on how to reduce the power if this turns out to be the case?
Also what kind of oils are best used in these things? I tried finding this out via google but all I found were crap forums full of 'experts'.
mcostello:
I am a lurker from the USA. I was wondering how anyone would know if anyone's air rifle was too powerful. Does someone come around and check these things or taken in for license? We don't have similar laws here.
NeoTech:
Build him a PCP rifle.. Its not that hard and dont make use of springs for pressure. =)
Get the book from H.M Buckley "The modern pneumatic airgun"
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