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echo: airgun
to: ALL
from: HAMILTON, ROBERT E,, DMD
date: 1998-03-20 21:37:00
subject: Re: Increase Velocity of HW30,HW50,R7, o21:37:0003/20/98

Newsgroups: AIRGUN.LIST
Hi Folks:
   I heard of a Beeman R7 that had been tricked out to the max, but it still
only did .177 7.9 gr Cros Prem Lites at 675 fps.   A friend recently brought
over his old and rather neglected HW50S .177 and putting four or five Lites
thru my Chrony Delta got velocities about 635-640 fps (just holding the
airarm in the hands....which is not as good as putting the airarm on a stand
so it's position stays constant and using an aimpoint on the backstop beyond
the chronograph as well).
Robert Hamilton
 ----------
Michael wrote:
>
> Tim,
>
> Can these airguns the Beeman HW 30, HW 50, R7, or R8 spring air guns
> accept a modification to raise there velocities to the low 800fps
> range?
> Do these airguns have the swept volume capacity to enable acceptthis
> increase? Is this a reasonable course of action to take? Are gas
> struts
> made for this air guns? Presently, these airguns perform in the 600 to
> 700fps range...
>
> Michael
Little springers make little power. Big springers make big power.
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