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Ryan Cheney ELR Airfoil rear bags
Posted: Fri Mar 22, 2024 11:08 am
by Aubrey
Re: Ryan Cheney ELR Airfoil rear bags
Posted: Mon Jul 15, 2024 8:04 am
by Crisp4784
Are these legal in FClass?
Re: Ryan Cheney ELR Airfoil rear bags
Posted: Mon Jul 15, 2024 9:47 am
by PeteFox
For all F disciplines:
"There may be no mechanical means of adjusting the rear bag or box either laterally or vertically."
Pete
Re: Ryan Cheney ELR Airfoil rear bags
Posted: Mon Jul 15, 2024 12:19 pm
by Aubrey
Interesting point: I assume you can squeeze a sand bag with your hand to adjust the bag? Can you squeeze the airbag to adjust the height? Is an airbag mechanical?
Re: Ryan Cheney ELR Airfoil rear bags
Posted: Mon Jul 15, 2024 5:59 pm
by Barry Davies
See rules 20.2.5 and 20.2.6
Re: Ryan Cheney ELR Airfoil rear bags
Posted: Fri Jul 26, 2024 1:30 pm
by Aubrey
20.2.5 Rear Rest
(a) A rear rest must use a sandbag as the only contact with the rifle. It may not be attached to the front rest.
(b) Any number of simple objects of any material, including additional sandbags, may be placed underneath the rear sandbag to stabilise it or make allowance for variations in slope of the mound. This includes ‘donut’ bags.
(c) A plate of board may be used to create a stable platform for the bag to sit on and may include spikes limited to 50mm. in length, unless spikes are prohibited by local conditions.
(d) The plate or board may not have side rails or raised edges and the bag must be free to move horizontally in all directions.
(e) There may be no mechanical means of adjusting the bag, either laterally or vertically.
20.2.6 The contents of front and rear sandbags shall be a dry, finely (<5mm) divided substance such as, but not limited to sand, or grain, packed loosely enough so that the bag can be visibly deformed with the fingers.
Re: Ryan Cheney ELR Airfoil rear bags
Posted: Fri Jul 26, 2024 1:43 pm
by Aubrey
As i read it, you can have a bag that has anything in it and it can be squeezed with your fingers.
If my bag has particles and air in it and I squeeze the air portion have I broken any rule? I'd say no - I'm not using a mechanism to elevate or traverse the bag, I'm using finger applied pressure on the bag.
Re: Ryan Cheney ELR Airfoil rear bags
Posted: Fri Jul 26, 2024 6:09 pm
by Barry Davies
Read 20.2.6 again. If in doubt have the NRA clarify.
Air is not a dry finely divided substance
Re: Ryan Cheney ELR Airfoil rear bags
Posted: Tue Aug 06, 2024 7:54 pm
by Aubrey