I'm finally going to do it, QB78 PCP mod! progress log.

Building or modifying BB, Airsoft, and Pellet type of guns. Show off your custom designs, find tips and other discussion. Target practice only!
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jackssmirkingrevenge
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Tue Aug 11, 2009 1:15 pm

Ragnarok wrote:Holy crap, that used to be a QB78?
Very pretty isn't it, some more views.

Many bullpup conversions one sees are functionally cool but aesthetically are a case of doing it wrong.
Rifled semis probably could be imported, but no RFDs are willing to try and find out.
Apparently the homegrownSkan series (very much on my "to buy eventually" list) was originally made a semi-auto at the 12 ft/lbs limit but was converted to grip-pump action after a "strong recommendation" by the Home Office.

I'm quite sure that many have tried to import FX semis and failed for the same reasons.
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Ragnarok
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Tue Aug 11, 2009 1:38 pm

jackssmirkingrevenge wrote:Apparently the homegrown Skan series was originally made a semi-auto at the 12 ft/lbs limit but was converted to grip-pump action after a "strong recommendation" by the Home Office.
I've heard similar tales. There are a lot of things in airguns that are maintained by what are officially known as "gentleman's agreements".

Or more in more truthful words: "It's legal, but if you try to do it, we'll make it illegal."

So... blackmail really.
Does that thing kinda look like a big cat to you?
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jackssmirkingrevenge
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Tue Aug 11, 2009 1:41 pm

Good old England :) but at least your restrictive laws result in low levels of crime :roll:
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twizi
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Tue Aug 11, 2009 2:18 pm

i cant waifor the build log when are u gonna post the plan i hope the best of luck btb what happend to the high presure marker/pen gun
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POLAND_SPUD
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Tue Aug 11, 2009 5:55 pm

I can't understand that really... it's ok when you're an imigrant or something and you can stab someone but no one can have semi auto airguns...

it reminds me of Poland.... a country when you need a license to buy a real gun
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Necrosis
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Wed Aug 12, 2009 4:31 am

POLAND_SPUD wrote:I can't understand that really... it's ok when you're an imigrant or something and you can stab someone but no one can have semi auto airguns...

it reminds me of Poland.... a country when you need a license to buy a real gun
Same here..

Building will start next week or so. I need to gather some stainless for the valve.

Cheers!
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POLAND_SPUD
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Wed Aug 12, 2009 4:47 am

ohhh sorry I shouldn't put it like that... it's not that I have something against immigrants...

I meant that any thug can beat, club or stab you to death... and either they won't catch him or he'll get a short sentence

but if you use a gun or an air gun in self defence then it almost sure that you'll end up in prison
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Ragnarok
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Wed Aug 12, 2009 8:45 am

@Jack: There are so many laws, I think you must break at least five by simply waking up in the morning.
Does that thing kinda look like a big cat to you?
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twizi
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Wed Aug 12, 2009 10:55 am

i love america u can do every thing and theres not many laws
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Ragnarok
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Wed Aug 12, 2009 11:11 am

twizi wrote:I love America. You can do everything.
Right then. Go and build a perpetual motion machine.
Does that thing kinda look like a big cat to you?
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twizi
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Wed Aug 12, 2009 11:32 am

i'll think about it ragnarok
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Necrosis
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Fri Aug 14, 2009 11:28 am

Here's a picture of the valve just after being turned to size. :)
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To find peace within our existence we often create a logic that endangers our lives.
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Mr.Sandman
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Fri Aug 14, 2009 11:35 am

Very nice! What did you polish it with as it is very shiny? Any idea of how much pressure will be used? On that note is it going to have a mag or be a single shot repeater?

edit: forget the polishing part i just answered my own question.
Yeah, it's that important.
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Necrosis
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Fri Aug 14, 2009 4:16 pm

Mr.Sandman wrote:Very nice! What did you polish it with as it is very shiny? Any idea of how much pressure will be used? On that note is it going to have a mag or be a single shot repeater?

edit: forget the polishing part i just answered my own question.
I polished it with a Carbide cutting tool. :) (I did not polish it at all.)

The pressure will be 200 bar, or 3000 psi.

I am thinking about a mag but I have yet to come up with a good design for it.

I am also optimizing the valve for optimal flow.

Hope that answered your questions. :)
Allthough we may be the most intelligent creature on this planet, we are also the most inconsistent.
To find peace within our existence we often create a logic that endangers our lives.
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Necrosis
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Tue Aug 18, 2009 2:31 pm

Oh god... ran out of steel.... This might take a while longer, damnit.
Allthough we may be the most intelligent creature on this planet, we are also the most inconsistent.
To find peace within our existence we often create a logic that endangers our lives.
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