S510 FAC Chrono results

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Iced Tiger
Posts: 324
Joined: Sun Feb 15, 2015 2:09 pm
Location: Knott End-on-Sea

S510 FAC Chrono results

Fri Apr 07, 2017 11:22 pm

Had a play with my S510 extraFAC over my new Skan chrono today.
The last time I had the rifle over a chrono (Crombo) it performed like a normal PCP, low at the start, then going to a max then tailing off over 30 shots.
Today over the Skan, it was at max at the start and decreased over the 30 shots by about 5 ft/lbs.
I tried it at several power levels and different wieghts of pellets and it did the same.
Is this normal?, any advice appreciated.
Air Arms 510 SL Carbine .177 ~ Hawke Nite-Eye Digi 4-16X50 IR SF
Air Arms 510 SL Xtra FAC .22 ~ Hawke Nite-Eye Digi 6-24X50 IR SF
Air Arms TX200 HC MKIII .177 ~ Hawke Nite-Eye 4-16X44 IR
Air Arms Alfa Proj Pistol .177 ~ Very Shiny

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Archer50
Posts: 138
Joined: Mon Jun 20, 2016 5:06 pm
Location: Perth

Re: S510 FAC Chrono results

Sun Apr 09, 2017 3:41 pm

Skans have a cult following, but they can be can be tricky to use. Before you do anything, particularly anything expensive, check your gun over as many chronos as you can, and see if this pattern is consistent over all of them.

I'd also check that the gun is filling to it's proper pressure, as what you describe could be caused by the gun having less pressure than you think, and already being on the downward part of the power curve.

Good luck

Alan

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143granville
Posts: 157
Joined: Mon Apr 03, 2017 8:15 pm
Location: barwell leicestershire .

Re: S510 FAC Chrono results

Sun Apr 09, 2017 7:50 pm

my skan seems good neil had it for some years now.

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Gnome of the Woods
Posts: 217
Joined: Sun Mar 22, 2015 10:30 pm

Re: S510 FAC Chrono results

Mon Apr 10, 2017 9:54 pm

Its broken, give you a fiver to take it off your hands ;)
Artist formally know as Gnome of the Woods

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Iced Tiger
Posts: 324
Joined: Sun Feb 15, 2015 2:09 pm
Location: Knott End-on-Sea

Re: S510 FAC Chrono results

Wed Apr 19, 2017 3:24 pm

Archer50 wrote:I'd also check that the gun is filling to it's proper pressure, as what you describe could be caused by the gun having less pressure than you think, and already being on the downward part of the power curve.

Good luck

Alan


Thanks Alan, had another go and realised I was only filling up to 180 bar the fist time. I filled to 200 bar and everything is back to normal.
Must have been from the sweet spot down with the 180 bar fill.

Sorry Gnome it's not broken :D :D :D :D
Air Arms 510 SL Carbine .177 ~ Hawke Nite-Eye Digi 4-16X50 IR SF
Air Arms 510 SL Xtra FAC .22 ~ Hawke Nite-Eye Digi 6-24X50 IR SF
Air Arms TX200 HC MKIII .177 ~ Hawke Nite-Eye 4-16X44 IR
Air Arms Alfa Proj Pistol .177 ~ Very Shiny

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