One of the more interesting angles on RCV for me is the classification of each type in terms of expected life, usage and risk of loss to enemy action

RCV-L is "attritable / disposable / expendable"
RCV-M "durable / attritable"
RCV-H "non-expendable / human survivability levels"
For reference, RCV-L programme being informed and requirements developed via the contract to QinetiQ and Pratt Miller for their bid vehicle, developed from the Pratt Miller Expeditionary Modular Autonomous Vehicle (EMAV).
RCV-M is using Textron Systems, Howe & Howe, and FLIR Systems Ripsaw M5 for their requriement. Again, not a small bit of kit to be in the semi-expendable / durable bracket. Broadly seems to mean
RCV-H still in the works and clearly regarded as a more traditional AFV that cant be routinely lost.

The more judicious attitude to RCV-L and RCV-M are interesting.

Can any country but the US (or even the US) afford to treat this size, complexity and cost of UGV as disposable?

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More from @JonHawkes275

16 Dec
The #OMFV industry day last week provided some clarity and a few new angles on the requirement. A few highlights and thoughts below

(Image an old NGCV concept art, not from recent industry day) Image
Unsurprising desire to prioritise survivability, stated as #1 priority. At this stage specifics are unclear, but for contemporary ATGM/KE you need APS, ERA & some rather fancy composites. Even then overmatch will be tough in conjunction with mobility/transportability aspirations Image
Firepower requirements to engage infantry up to tanks, and helicopters. So an ATGM essential, and high elevation cannon. Given need for unmanend turret (see further down), could mean high profile turret, or loss of swept volume inside vehicle to allow that big 50 mm to elevate Image
Read 10 tweets
16 Dec
A few thoughts on belly loading. No, not our collective plans for the xmas period, a primer on the science behind allowing the belly of a vehicle to contact the terrain, and the implications therein to mobility (spoiler: its always bad) #AFVaDay #miltwitter #tanktwitter Image
Usual disclaimer - this is Twitter, I don’t have much space and so some things are simplified or omitted for simplicity. This is a hugely complex science; I’m just giving a flavour of the considerations inherent in AFV design. With that out the way…
Another outwardly unexciting concept, but actually quite critical to off road performance. Belly loading is the condition where the tracks have sunk in terrain to the extent that the belly of the vehicle is now partially or fully resting on the terrain Image
Read 24 tweets
7 Sep
Having done mobility concepts to death of late, I thought it interesting to do a short thread on vehicle armour, specifically statistical armour (bar and mesh mainly) and tackling a few tropes around it. #miltwitter #tanktwitter #AFVaDay
Usual disclaimer - this is Twitter, I don’t have much space and so some things are simplified or omitted for brevity. This is a hugely complex science, I’m just giving a flavour of some of the considerations inherent in AFV design. With that out the way…
What is bar armour? Also called slat/cage/mesh/net armour, its one of a range of methods collectively called statistical armour, so called as it presents a statistical likelihood of defeating a specific projectile type
Read 39 tweets
11 Aug
A couple of years old, but a useful summary of some of the US Army's long range fires efforts, all oriented around radically extended reach for precision engagement of targets Image
Land Based Anti-Ship Missile (LBASM) repurposes the MGM-140 Army Tactical Missile System (ATACMS) to allow HIMARS and MLRS to engage ships. Not to be confused with the Navy's Long Range Anti-Ship Missile (LRASM). PrSM also being worked on as an option for the anti-ship role. ImageImage
Single Multi-mission Attack Missile (SMAM) is a 35km range precision loitering munition. SMAM includes a self-contained launch tube and portable mast-mounted antenna. Total weight including the missile of 50-70lbs and controlled from a tablet relaying video feed Image
Read 9 tweets
28 Jul
Part 7 of my Running Gear series, today looking at track types. The series is looking at all the bits of tracked vehicle mobility and started here (bit.ly/30596QZ) if you want to follow the threads. Hope its interesting.
Usual disclaimer - this is Twitter, I don’t have much space and so some things are simplified or omitted for simplicity. This is a hugely complex science; I’m just giving a flavour of the considerations inherent in AFV design. With that out the way…
Track comes in two flavours – single pin and double pin. Broadly speaking, double pin is the contemporary norm for most of the world, though there are plenty of single pin examples in service, especially in Russia where two pin is relatively new still
Read 16 tweets
22 Jul
Part 6 of my Running Gear series, today looking at tracked suspension. The series is looking at all the bits of tracked vehicle mobility and started here (bit.ly/30596QZ) if you want to follow the threads. Hope its interesting.
Usual disclaimer - this is Twitter, I don’t have much space and so some things are simplified or omitted for simplicity. This is a hugely complex science; I’m just giving a flavour of the considerations inherent in AFV design. With that out the way…
Whilst there have been many historic suspension designs, contemporary AFV almost exclusively use either torsion bar or hydro pneumatic (hydrogas) systems, so I'm looking at those here. Historic stuff perhaps another day!
Read 23 tweets

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