Some of us were talking about guns today and this question came up.
Was the gun in the A-10 located with the waterline of the aircraft and what was the cant on the gun?
I think I found the answer to the first question off of Wikpedia:
"The fuselage of the aircraft is built around the gun.[23] For example, the nose wheel is offset to the right so that the gun's firing barrel at the 9 o'clock position is aligned on the aircraft's centerline."; but what about the second question? Btw - I also saw that it says the gun is optimized for a 30 deg dive at a slant range of 4,000'.
Thanks for any information.
USMCFLYR
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Some of us were talking about guns today and this question came up.
Was the gun in the A-10 located with the waterline of the aircraft and what was the cant on the gun?
I think I found the answer to the first question off of Wikpedia:
"The fuselage of the aircraft is built around the gun.[23] For example, the nose wheel is offset to the right so that the gun's firing barrel at the 9 o'clock position is aligned on the aircraft's centerline."; but what about the second question? Btw - I also saw that it says the gun is optimized for a 30 deg dive at a slant range of 4,000'.
Thanks for any information.
USMCFLYR
Interesting question, I'd like to see this answer too. A/A guns are optimized with a little bit of cant up to pull lead in a fight, so I'd think A/G guns are the opposite or exactly on the waterline.
Also, I may be mistaking your questions, but isn't it possible for the gun to be aligned on centerline but not necessarily on the waterline?
built on the centerline to minimize the built in aiming errors.
and now that it's a computer sight, range and windage doesn't matter. T.O.T is the key.
Old days, it was sighted for a 4k no wind shot....down low, rarely went up to such a high altitude back then. Shoot, 30 degrees is just over a mile up. Took special oxygen to get that high back then
Interesting question, I'd like to see this answer too. A/A guns are optimized with a little bit of cant up to pull lead in a fight, so I'd think A/G guns are the opposite or exactly on the waterline.
Also, I may be mistaking your questions, but isn't it possible for the gun to be aligned on centerline but not necessarily on the waterline?
Sig -
To tell the truth I'm not sure if I'm trying to use a different term or not - but I basically meant along the nose of the plane. I at least meant centerline and waterline to mean the same thing.
Waterline(s): parallel lines of reference, in inches, more or less parallel to the bottom of the aircraft. The idea being that if the aircraft were placed in water, this would be the resulting line. There will be a Zero reference line; anything above is referenced with "+" so many inches, and those below are "-."
Station: a reference for distance from nose to tail, in inches. Zero is not necessarily on the aircraft...often in front of the nose.
Buttock Line: References left and right of the centerline, in inches.
Waterline(s): parallel lines of reference, in inches, more or less parallel to the bottom of the aircraft. The idea being that if the aircraft were placed in water, this would be the resulting line. There will be a Zero reference line; anything above is referenced with "+" so many inches, and those below are "-."
Station: a reference for distance from nose to tail, in inches. Zero is not necessarily on the aircraft...often in front of the nose.
Buttock Line: References left and right of the centerline, in inches.
Yes - in this case then I meant centerline or waterline - same concept. I was also referencing this to the 'waterline' symbol in our HUD showing nose position when the INS derived velocity vector is removed or it is HUD limited.
Station above is the weight and balance term.
Haven't heard buttock line
Can somebody pleeeeeease speak in simple Engrish for the benefit of this old lawyer?
As an old pilot I must say centerline reference would be left or right. Waterline reference would be up or down. To fully understand the physics of canting up as it relates to aiming you must have spent at least part of your life as a toddler boy going through potty training.
Ah, canting. So that's what my 2 year old nephew is doing!! I can see a future fighter pilot in the family. I'll do my best to brain wash him that the F-18 is the only aircraft worth flying!
PS: this is thread drift big time, but do you guys like my avatar?
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