GROUPING FX STORM

FX's "pistol grip action" rifle ( FX3100 / FX3100-22), and until the Royale (see below) comes out officially, FX's latest model.

GROUPING FX STORM

Postby diank56 on Sat Jul 18, 2009 3:51 pm

Image

Hello, here are the groups with and without the magazine. Why this difference in diameter?
FX STORM,cal 5.5 pellets JSB (jumbo) 273ms 190 bar.
Merci.
diank56
 
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Re: GROUPING FX STORM

Postby diank56 on Sat Jul 18, 2009 6:14 pm

I did experiment new with magazine targets 15 meters diameter 13 mm, no magazine 8mn, JSB 16 JUMBO GRAIN 275M 190bar
diank56
 
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Re: GROUPING FX STORM

Postby ian johnstone on Sat Jul 18, 2009 6:34 pm

Very interesting, Diank (& perplexing :| )
Obviously, it has to be the Mags themselves or the Indexing system, but is there any metal dusting in the mag area?

As a first course of action I would remove the 'O' rings & clean-up the mags themselves - replace the rings after rubbing a small amount of non-mineral oil on them (veg. oil will do ;) ). Clean out the breech area then try the gun without pellets (mag in) to see if its indexing/turning cleanly.

When 'O' rings age they can sometimes swell up - if they look at all dry or cracked, sling 'em out 8-) they are easily replaced (size is on the FXOC Cyclone exploded diagram & parts list).
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Re: GROUPING FX STORM

Postby diank56 on Sat Jul 18, 2009 6:56 pm

I will look for new o ring, and try to build a system for introducing the most pellets facillement without magazine (requiring little finger),
the grouping is good without magazine. (traduction google)
diank56
 
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Re: GROUPING FX STORM

Postby ian johnstone on Sat Jul 18, 2009 10:00 pm

To make it easier for you,

The metal magazines are geometrically problem free (if correct type for that FX gun)

'O' rings change with time (& when used as retainers on a magazine they are doing a job they were not designed for)

The Indexing system (2 parts; Indexing lever & Magazine stop) can be deformed

Unfortunately the Storm's cocking action makes watching the magazine turning (mentioned earlier) quite difficult, but you should be looking for a smooth, single movement (with no hesitation)
ian johnstone
 
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