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can i?


Guest air gunner

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Guest air gunner

ah that is usefull can someone explain fps and pounds pressure? to be legal do you need 12fps or 12 pounds? so if this gun is capable using a tool to modify of exceeding 12 ? it would be illegal for me to own?

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ft/lbs = pressure

fps = speed

 

you can determine the pressure by taking pellet weight in grains, x speed in feet per second x speed again / 450240 (i think this is right, might have to check)

this will then give you the pressure.

 

for .22 with 14 grains, you expect around 590fps and .177 with 9 grains, around 780fps.

 

there are plenty of pellet charts on this forum, if you're having trouble drop us a PM and i'll email you some good ones over.

it is not illegal to own a weapon capable of FAC, as long as it is below 12ft/lbs.

Once it is over that, FAC is required.

 

WB

Edited by warbiscuit
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ft/lbs = pressure

fps = speed

 

you can determine the pressure by taking pellet weight in grains, x speed in feet per second x speed again / 450240 (i think this is right, might have to check)

this will then give you the pressure.

 

for .22 with 14 grains, you expect around 590fps and .177 with 9 grains, around 780fps.

 

there are plenty of pellet charts on this forum, if you're having trouble drop us a PM and i'll email you some good ones over.

it is not illegal to own a weapon capable of FAC, as long as it is below 12ft/lbs.

Once it is over that, FAC is required.

 

WB

 

If we are being really fussy the actual units are (ft lbs), not (ft/lbs) or (fps) etc and they are units of energy not pressure. Just to clear things up ;)

Link to post
ft/lbs = pressure

fps = speed

 

you can determine the pressure by taking pellet weight in grains, x speed in feet per second x speed again / 450240 (i think this is right, might have to check)

this will then give you the pressure.

 

for .22 with 14 grains, you expect around 590fps and .177 with 9 grains, around 780fps.

 

there are plenty of pellet charts on this forum, if you're having trouble drop us a PM and i'll email you some good ones over.

it is not illegal to own a weapon capable of FAC, as long as it is below 12ft/lbs.

Once it is over that, FAC is required.

 

WB

 

If we are being really fussy the actual units are (ft lbs), not (ft/lbs) or (fps) etc and they are units of energy not pressure. Just to clear things up ;)

 

Fussy a$$ !! :clapper:

Link to post
ft/lbs = pressure

fps = speed

 

you can determine the pressure by taking pellet weight in grains, x speed in feet per second x speed again / 450240 (i think this is right, might have to check)

this will then give you the pressure.

 

for .22 with 14 grains, you expect around 590fps and .177 with 9 grains, around 780fps.

 

there are plenty of pellet charts on this forum, if you're having trouble drop us a PM and i'll email you some good ones over.

it is not illegal to own a weapon capable of FAC, as long as it is below 12ft/lbs.

Once it is over that, FAC is required.

 

WB

 

If we are being really fussy the actual units are (ft lbs), not (ft/lbs) or (fps) etc and they are units of energy not pressure. Just to clear things up ;)

 

Fussy a$$ !! :clapper:

:D

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So if i buy the carrera 707 it will be legal as long as i leave it on the 12fps setting. I really do not want to get on the wrond side of the law.

 

I think you mean 12 ftlb :D Anyway, I would of thought It would be ok unless there's a powerwheel on the rifle so you can easily change the power??

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So if i buy the carrera 707 it will be legal as long as i leave it on the 12fps setting. I really do not want to get on the wrond side of the law.

 

Hello Bud,

Its not 12fps??? its 12 fpe??? if you buy any gun that's set over 12 fpe your gonna end up in the klink bud unless you hold a valid licsense, so if the rifle your talking about is adjustable from 12 fpe upwards then you need a FAC and the person selling you the rifle should be asking you for one, if there not its probably dodgy and if I was you I would leave it well alone, hope this helps bud,

Rob,,

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Guest air gunner

well its on the for sale section im not sure i want it anyway now after having some words on the centrefire rimfire and shotguns forum. if you want to know what about take a look at the pinned fac section.

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