1.5 and 3.5 ft-lbs.... that does not seem like a lot.
13% of the speed of sound.

Not feeling that's very dangerous.

Now, to scale up the power, I suspect it might be doubling the weight of the coils and the batteries for every doubling of power (ft/lbs or m/s with their example projectile). That wouldn't double weapon weight exactly, but it would be a fair part of that.

To have a barely subsonic version, you'd need to be 7x more powerful. That would be either a lot heavier or have a fairly different accelerator and battery tech.

On Sat, Jul 4, 2020 at 12:47 AM Bill Rutherford <xxxxxx@comcast.net> wrote:

At 12:39 AM 7/4/2020, Bill Rutherford wrote:

At 11:09 PM 7/2/2020, you wrote:

https://www.armyrecognition.com/weapons_defence_industry_military_technology_uk/chinese_army_demonstrates_rifle-size_railgun_prototypes.html

Arc Flash Labs seems to have a gauss automatic rifle and single-shot (i.e. manually rack each shot) pistol on the market in the US:

https://arcflashlabs.com/_accelerators/fully-assembled-guns/#

Makes me wonder how advanced the un-publicized US developments have gotten...

Forgot to add: Note the battery capacities; 50 shots for the pistol and 100 shots for the rifle (with ROF of about 480 rounds per minute...) Both have 18 round magazines.

Bill Rutherford
xxxxxx@comcast.net

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