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bruno22rf
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Bin looking for a Mercury "S" in .177 flavour since the end of 2012 and finally got my hands on one last week. Its been in a loft for nearly 30 years and all the seals have rotted away but R&K Stockcraft are servicing it at the moment so I am like a kid on Christmas eve :):) . Going to try and find a cheap scope and the rear sight is broken so I need to find one of those then its going to visit a nice little roosting wood that I have just been given permission on to see what it can do-I have a Daystate MK3 but that's going to the back of the cabinet for the foreseeable future :good:

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Will dig my mercury out before summer and check over. I think some of the seals are worn.

Is there a guide online anywhere that shows how to re-fresh a mercury?

 

Del- this isn't a tutorial but rather a set of exploded diagrams showing parts and order numbers :yes:

 

Chambers Guns

 

The Mercs and Airsporters are dead easy to work on :good:

 

EDIT- Forgot to say, there's a plastic buffer washer that sits behind the piston head, with age they crumble and so can't be refitted so you'd best get one just in case :yes:

 

here's my two Mercs..

 

Mk3 I think!

 

riflebsamercury.jpg

 

Mercury Challenger..

 

MC1.jpg

 

 

Cheers, John :drinks:

Edited by johnbaz
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Thanks John I'll take a look.

Stripped some of it down last night. Just got to put it in a vise now to get the main spring out and take a look at the inside. Found out mines a mk2.

 

 

Del

 

 

Be very careful if putting the cylinder in a vice as they're not very thick and can squash a bit, if this happens then it will be scrap as the seal can't cope with an oval cylinder :/

 

 

John :)

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I like the early airsporters,mk1&mk2 but the airsporter 'S' that I had was truly awful. Terrible pressed chequering on the plainest piece of so called walnut. It only shot well with eley wasp/pylarm pellets. I think the mercuries were better, but compared to their German contemporaries like feinwerkbau, weirauchs and bsf's...poor I'd say.

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Del

 

 

Be very careful if putting the cylinder in a vice as they're not very thick and can squash a bit, if this happens then it will be scrap as the seal can't cope with an oval cylinder :/

 

 

John :)

Hi john,

Thanks for the info. I just this minute am in the garage and I've got the main spring out.managed to wedge it with some wood,then some sharp taps on the metal bar that I used in the trigger section and it unscrewed . There must be 30 years worth of gunk come out!

Now just got to figure out how the piston bit comes out of the cylinder? I will look on your link.

 

EDITED to add, I managed to get it out with some gentle persuasion. There was like a spacing washer which fell to bits on removal.!

Thanks again

Edited by Del T
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I like the early airsporters,mk1&mk2 but the airsporter 'S' that I had was truly awful. Terrible pressed chequering on the plainest piece of so called walnut. It only shot well with eley wasp/pylarm pellets. I think the mercuries were better, but compared to their German contemporaries like feinwerkbau, weirauchs and bsf's...poor I'd say.

 

 

Hi Rimfire boy

 

The first six of these are mk1 and mk2 Airsporters :yes: (1st three are mk1, 2nd three are mk2)..

 

6SX0h7h.jpg

 

 

Think i've bought three or four more since I took the pic :whistling:

 

 

 

John :)

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The S comes with Walnut but its carp quality and the chequering looks like its been hammered into the wood. Other hiccup is pellets-modern ones fall halfway down the barrel-I have about 300 old Eley Wasps but lord knows what I will do when they run out (mines .177).

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The S comes with Walnut but its carp quality and the chequering looks like its been hammered into the wood. Other hiccup is pellets-modern ones fall halfway down the barrel-I have about 300 old Eley Wasps but lord knows what I will do when they run out (mines .177).

I agree totally, they were flagship models at the time. The wood and chequering was poor to say the least, and in .22, pellet fussy is an understatement. Modern 5.5mm pellets are so loose in the bore that the power and accuracy is affected to a noticeable degree.This is just my option, but I think that the 'S' models were truly awful, and I wouldn't entertain another one unless it was given to me. Then I'd sell it on pronto. Mine would run at around 11.5 ft lbs with eley wasp/ pylarm and around 9.5 ft lbs with everything else I tried, and I tried a lot. Performance was harsher and accuracy poor by comparison. All in all, I was very disappointed.

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Rimfireboy-you are ruining a beautiful moment for me by dissing my latest gun (but you are dead right). Watching the demise of Britain's airgun making industry during the 80's was painful and yet so easy to avoid-like our motorcycle industry we sat on our hands and failed to reinvest in modern ideas.

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Rimfireboy-you are ruining a beautiful moment for me by dissing my latest gun (but you are dead right). Watching the demise of Britain's airgun making industry during the 80's was painful and yet so easy to avoid-like our motorcycle industry we sat on our hands and failed to reinvest in modern ideas.

 

Sorry about that bruno, at least the new triumphs are up there with the good stuff. Might just get myself a speed triple.......

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