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FlyFisherMan101
PostPosted: Mon Mar 20, 2023 12:43 pm 
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Joined: Thu Jan 06, 2022 8:22 pm
Posts: 255
Got my order from uk and funny thing i noticed that the poppit was a hard black
plastic or something as a magnet doesnt stick to it.A magnet also doesnt stick to
the valve stem or poppit stem either so what are they made from if there not made
from stainles steel they sure wont last long ..Thanks
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Daryl
PostPosted: Mon Mar 20, 2023 12:51 pm 
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Posts: 11385
Location: P.G. B.C.
Brand new rifle & you had to buy parts for it already? - Or - you are modding it?
Aluminum shaft?
A valve is usually some sort or Delrin isn't it? They are in the Hatsan rifles, compressible only
under quite high pressure so they 'wear' well.

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Dukemeister
PostPosted: Mon Mar 20, 2023 1:01 pm 
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Joined: Fri Jan 22, 2010 1:17 pm
Posts: 4170
Location: Kingston, ON
Which supplier? Maybe they say somewhere what materials are used.
The seal is usually made of acetal hard plastic, could have any filler in it to make it black colour, or it could be white, or yellowish. The coulour doesn't matter of course. The valve stem should be made from hardened steel. If its a 3xx series stainless it wont be magnetic, but 3xx stainless can't be hardened by heat treatment, It wouldn't be particularly good for a valve stem. The only other silvery metal that comes to mind would be a Ti-alloy like Ti6-4, which can be heat treated and may be hard enough to make a valve stem, but I can see no reason to make it out of Ti alloy. So dollars to doughnuts it's 316 or 304 SS.

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McRobert
PostPosted: Mon Mar 20, 2023 2:19 pm 
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Posts: 566
Location: East Of Hamilton
Fly man, can you post a picture of the poppet?.

Thanks Robert
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FlyFisherMan101
PostPosted: Mon Mar 20, 2023 3:08 pm 
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Posts: 255
Hi Daryl no just ordered all this stuff befour its no longer available
ordered from bagnal and kirkwood united kingdome as crosman
canada has nothing.Yes it could be delrin and 3xx stanless the
spring is very good quality i will post a pic of poppit i ordered one
as someone said they can fail in time.Thanks guys
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FlyFisherMan101
PostPosted: Mon Mar 20, 2023 3:31 pm 
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Posts: 255
photos


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McRobert
PostPosted: Tue Mar 21, 2023 7:07 am 
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Location: East Of Hamilton
Definitely a Kral poppet.
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TCooper
PostPosted: Tue Mar 21, 2023 11:44 am 
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Joined: Sat Sep 03, 2005 9:25 am
Posts: 4599
Location: Ontario, Canada
It appears that the Benji Cayden is made by Kral in Turkey. Similar to Kral PCP rifles. Many parts are likely interchangeable.
https://www.gatewaytoairguns.org/GTA/in ... c=168046.0

The Kral stem is available from Canadian Shooting Supply for $12.99 (in stock).
https://canadashootingsupply.ca/product ... kral-guns/

8 pages of Kral parts in Canada. Apparently even the Kral magazines will work in the Cayden.
https://canadashootingsupply.ca/product ... ts/page/1/


Last edited by TCooper on Tue Mar 21, 2023 12:03 pm, edited 1 time in total.

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Daryl
PostPosted: Tue Mar 21, 2023 11:54 am 
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Posts: 11385
Location: P.G. B.C.
Now, isn't that a lucky find.

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FlyFisherMan101
PostPosted: Tue Mar 21, 2023 2:37 pm 
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Posts: 255
Yep i had a good look and compared some parts the poppit is identical but
a few of the orings differant the power adjuster orings are a little smaller
than the cayden but the barrel ones the same as well as the pellet prob one
as well..Thanks guys i will now be able to do a complete tear down and
rebuild in 5-8 years when the orings start to leak.Now have all the spare
parts but she is shooting so darn nice now i dont want to touch her lol
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Daryl
PostPosted: Tue Mar 21, 2023 7:15 pm 
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Posts: 11385
Location: P.G. B.C.
Have you thought of putting in a regulator? Altros & Huma come to mind. Lane is another.
Just google Air Rifle Regulators.

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FlyFisherMan101
PostPosted: Wed Mar 22, 2023 2:29 pm 
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Posts: 255
Hi Daryl no havent given it a thought as the way it shoots now is pretty consistent
for the first 30 shots within 5-15 fps starts out about 20 fps with first then about
ten fps with second and then the next 25-30 shots are within 15 fps its at 30 that i
start to see a drop of over 4% so for me for hunting i dont need a reg just another
thing to contend with.I will shoot about 30 shots then just fill again and all 30 shots
are full power if i want to shoot targets i have 3 other pellets that shoot through same
hole at 25 and about 1/2" at 40 she shoots real sweet.Oh i lapped and polished the boar
as well .
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Daryl
PostPosted: Wed Mar 22, 2023 5:00 pm 
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Joined: Wed Jan 05, 2011 12:35 pm
Posts: 11385
Location: P.G. B.C.
Did the boar like that? :wink:
just kidding.
bore/boar/
It and you are shooting very well. I am surprised at this rifle's accuracy. Shooter 1721 also did well with it
straight from the factory.

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FlyFisherMan101
PostPosted: Thu Mar 23, 2023 6:51 pm 
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Posts: 255
Thanks Daryl
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