Comments by "David Himmelsbach" (@davidhimmelsbach557) on "Is Russia gearing up for a huge Donbas offensive?" video.

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  2.  @ДмитрийСвергин  The M-1 has big feet. Its ground pressure is ~15 psi -- which is very much less than a horse's hoof. Mud is the killer because TRUCKS can't deal with it -- even if they have power to all wheels. Why? They simply sink down until their axles are in the mud. There are photos of Russian military trucks -- very nice ones -- stranded in exactly this way -- four-weeks ago. No tank force can go any serious distance without a snake of trucks rolling behind it. Generals plan on ~50 trucks to support each and every tank. (Trucks do have to make the round trip for more stuff. Tanks are pigs for ammo, fuel, repairs... ANY tank. These are fighting machines -- not pizza delivery machines.) Mud also slows down even tanks and IFVs, APCs, SPA. Each SPA needs about 150 trucks to support it. 152mm ammo is large. The guns eat it like they're breathing air. And the trucks have to make the round-trip -- which must be assumed to be 250km for planning purposes. GRAD launchers are even worse than 152mm SPA in this regard. Why so grim? Traffic jams ... every moment is 'rush hour' -- breakdowns ( enemy/flat tires/ blown bridges/ speed restrictions (floating bridging) on and on the logistical train just eats up truck utilization. All of the above explains why the Russians were frustrated in Phase One at Kyiv and Kharkov. No WAY were they in any position to encircle either city. The Russian tank forces would have had to entirely leave the road network. Cross-country truck transits would cause 'truck capacity' destruction.
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