Author Topic: Lockheed AC-130 & M102 105mm Howitzer Engineering question please?  (Read 3185 times)

Offline tankmodeler

  • Wisely picking parts of the real universe 2 ignore
Re: Lockheed AC-130 & M102 105mm Howitzer Engineering question please?
« Reply #30 on: August 14, 2018, 01:04:33 AM »
It has a muzzle velocity of 1542m/s.

That muzzle velocity's a tad high, no?  ;D Looks like 534 m/s or 1735 ft/s is a better number.

And 4700 rounds of barrel life isn't horrible. Even if you fire a hundred rounds a mission, that's 47 missions and I can't see them firing a hundred rounds on average, would they?

Just sayin'...

Paul

Offline apophenia

  • Patterns? What patterns?
Re: Lockheed AC-130 & M102 105mm Howitzer Engineering question please?
« Reply #31 on: August 14, 2018, 06:27:41 AM »
That muzzle velocity's a tad high, no?  ;D Looks like 534 m/s or 1735 ft/s is a better number.


I note that www.scorpiontank.co.uk gives your more realistic 534 m/s. I liked Rickshaw's suggestion of a 90mm Mecar ... but I guess we need a timeframe from M.A.D.
« Last Edit: August 18, 2018, 07:04:19 AM by apophenia »
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Offline Rickshaw

  • "Of course, I could be talking out of my hat"
Re: Lockheed AC-130 & M102 105mm Howitzer Engineering question please?
« Reply #32 on: August 14, 2018, 01:05:41 PM »
It has a muzzle velocity of 1542m/s.

That muzzle velocity's a tad high, no?  ;D Looks like 534 m/s or 1735 ft/s is a better number.

Correct.  My error.  That was the APDS round for the L11 120mm tank gun, which is also designated L23a1.

Offline tankmodeler

  • Wisely picking parts of the real universe 2 ignore
Re: Lockheed AC-130 & M102 105mm Howitzer Engineering question please?
« Reply #33 on: August 14, 2018, 11:22:37 PM »
Correct.  My error.  That was the APDS round for the L11 120mm tank gun, which is also designated L23a1.
Wow, that's a spectacularly high number for an APDS (probably FS-T as well) round. I believe it, but wow, that's fast. Mach 4+. Almost, technically, hypersonic.

Cool info, ta.

Paul