Commonwealth Trap cartridge specifications....

[Guest cookoff013]

Did anybody see the commonwealth trap?

 

half way through the comp a shell is selected for the leagality, ie 24grams of shot, and size.

 

i was pleased the bbc had cameras on this, the shell was cut and shot weighed. it came out just over 24grams (0.3 grams over).

 

it also showed the sheet where all the data was logged down in. they tested about 5?

 

the shell they checked looked like a RC trap shell.

 

one of the unusual aspects was the shotsize 2.00mm for trap.... thats..a #9. !

 

WOW !

[propercartridges]

well cookie floating chamber may help out on this one as well I have always been under the belief that you can go a half a gram either way ie 24 gram can be 23.5 or 24.5 as people know its hard to get a machine to throw the exact size all the time so they build this into the rules what did they say on the check? now for the lawful bit did they have a liecense from health and saftey to dismantle the cartridge thanks george

[PhilR]

From the ISSF Handbook

9.4.3 Ammunition

9.4.3.1 Cartridge Specifications

Cartridges permitted in ISSF competitions must meet the following

specifications:

a) Shot charge must not exceed 24.5 g;

b)Pellets must be spherical in shape;

c) Pellets must be made of lead, lead alloy or of any other

ISSF-approved material;

d) Pellets must not exceed 2.6 mm in diameter;

e) Pellets may be plated;

f) Black powder, tracer, incendiary, or other special types of

cartridges are prohibited; and

g) No internal changes may be made which will give an extra or

special dispersion effect, such as the inverse loading of

components, crossing devices, etc.

9.4.3.2 Cartridge Inspection

The Jury must implement a cartridge inspection program that is

designed to cause minimal interference to the shooting or athletes

during the competition:

a) The Referee or Jury Member may remove an unfired

cartridge from the athlete's gun for inspection;

B) A Jury member or the Referee may take an athlete's

cartridges for inspection at anytime when the athlete is in the

shooting area; and

c) If an athlete uses ammunition that is not in accordance with

these rules he must be disqualified

Edited July 28, 2014 by PhilR

[Guest cookoff013]

well cookie floating chamber may help out on this one as well I have always been under the belief that you can go a half a gram either way ie 24 gram can be 23.5 or 24.5 as people know its hard to get a machine to throw the exact size all the time so they build this into the rules what did they say on the check? now for the lawful bit did they have a liecense from health and saftey to dismantle the cartridge thanks george

 

yeah, i think its like 5% difference is ok, that is 2.5% either way. its the percentages that can be out and not interfere with the internal ballistics,

the 5% can be applies to any shell, lets for instance take 3 shells, 21 +24 gram and a 42gram shell....

 

21gram, thats 21.525 upper and 20.475, thats pretty tight...

24gram thats 24.6 upper and 23.4, thats not bad but i think the issf must be 2% either way......

 

24gram 4% variation (2% each way) is 24.48gram max and lower 23,52gram

 

now the 42gram load at 5% or 2.5% either way is....

1.05 grams, thats 42grams, upper 43.05 and lower 40.95 grams.........

 

my main point was they were shooting 9s, so thats going to explain the 24.3 gram loads (was written on the sheet..)

 

that was really cool !

[propercartridges]

good but does he have a liecense to take one apart this is explosives so I keep getting told we probably all do it but on the telly in front of everbody and children and anybody watching