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The only ballistic figures I found were in the 1900 article by Preuss mentioned in the other thread:
a 24 bore (14.7 mm or .58'') cape gun used a ca. 22 gram (340 grains) cats head bullet behind 2.5 38.6 grains) grams of black powder, giving a velocity of 265 m/s (870 fps) at 25 meters.


The 1877 book by Zimmer gives slightly stronger, but rather general loading recommendations:
caliber between 13.5 mm and 14.5 mm (.53 to .57'')
bullet weight between 18 g and 25 g (278 to 386 grains)
powder charge between 3 g and 3.5 g (46 3 to 54 grains)
ratio powder to bullet between 1:6 and 1:7
Bullet velocity to be around 300 m/s. (ca. 1000 fps)

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I have translated these numbers to "non-metrics", for easier cross-reference.
A note to the reference of ca. 1000 fps velocity: this probably is not muzzle velocity. Zimmer says: "a bullet usually covers the distance of 1000 feet in one second". He was obviously not able to measure muzzle velocity. So this may be a mean number, corresponding to a muzzle velocity of roughly 400 m/s or 1300 fps.

Fuhrmann

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you are right and I was wrong.
this is the only problem I find in this list. firing a 340 grain bullet with 38,6 grain blackpowder is not enough!, only for target shooting. believe that the list was made under the scientific method but there is no possibility to say it hundred years later why he load only 38 grain BP in the case. maybe he remembered wrong from his youth, maybe it was the "working load" around 1865 when you only go on roe dear at 60 meter.
I will look for orignal loads for muzzle loader's from this time. believe they show also very low loads. wasn't your muzzle loader not shooting with a similar light load fuhrmann?

recommended method for bore gun catridges was to load a wad under the bullet.

Zimmer's load is under the 20 ga brenneke standard.I think you will agree that the 20 ga slug is the minimum for big game hunting. nobody care's about it in 1870 "At that time, a long time consuming search for a wounded animal was the main topic of conversation among hunters; the detailed description of such a search was listened to with excitement. Whoever showed himself lacking in tracking skills would be considered unworthy of the name of hunter, despite whatever skills in stalking or shooting he might possess."
and I dare to say that nobody before 1850 was even knowing that there can be a difference between high and low loads.
its the achievement of the brits in india like Baker to develop the big bore cartridges.

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Norwegian hunter misses moose, shoots man on toilet
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bringing civilisation to the barbarians

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