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The discussion here may be going off topic a bit, but that is a little unavoidable since a decision about submarines would have to factor in the whole of the naval and general military strategy involved. I agree entirely with the notion that any ships built should have an intrinsic Arctic...

The analogy with U-boats was just off the cuff, so I would read too much into it in as far as the potential or the actual effect of them. The preference for aluminum is a product not only of the low volatility and high power density of them, but also that it was viable back in the early 1980's...

Ya, I know, just using destroyer leader as a generic term

The simple conversions that I was alluding to would have involved some number of cut and reweld operations to produce a straightforward heavy armoured transporter, an APC really, not an IFV, and meant to operate in close cooperation with the LII's on convoy escort and similar operations. ...

Curious if there has been any attempt to use the Leopard I hulls as austere IFV in Afghanistan much like a similar practice by the Canadian Army in WWII Holland, or if there is any plan or hints of future plans to retain the hulls for simple conversion to more workable form regardless of whether...

It isn't really a vital capacity, just one that could have some advantages in terms of operating under the ice.  Normally, torpedo tubes would be oriented forward.  If the vessel is hiding near the  surface under the ice, possibly with an air line poking through, lateral tubes might be blocked. ...

Although I must stress that it is entirely speculation, but one month earlier I had engaged in one of my once every couple of decades or so exercises in offering my advice/opinions on national defence strategy to the government (in this case sent to the PMO).  As it pertained to submarines...

Never said an amphibious capability would not be useful, the discussion is about the technical aspects of the EFV.  Far easier ways of achieving a superior result. EFV is driven by arms corporations that primarily want to make money.

The LAV is a descendant of the MOWAG Piranha, itself an indirect descendant of similar WWII German types.  These vehicles were never designed with anything vaguely related to the FCS types being promoted by the major arms corporations.  Length to beam, suspension/hull type and form, etc., are...

Considering the vehicle has a total of 3400 hp on a gross vehicle weight of 75,000 lbs, there is enough power to weight that the craft could have been developed as a hovercraft with wheels (which requires about 25 hp/lb for a surf rateable type). For all the cost and trouble, would be far...

The steering system is not the skid-steer of old, it is differential steering, which is actually being considered for future versions of the LAV and FCS.

The question in this thread, for which my post was actually bumped from one about the MMEV, is whether or not the LAV should be the sole armoured vehicle. My replies have little to do with the specific weaknesses or merits of the LAV in isolation, but more with what could satisfy the needs of a...

Modern infinite pivot steer hydrodynamic transmissions are employed in current tracked vehicles to control vehicle turning, a process that can be refined further with modestly sized hybrid electric drive components and ABS-derivative traction control, both of which are currently entering the...

I am not familiar with the particular accident you are referring to.  Moreover, any type of armoured vehicle can rollover or be involved in similar acccidents, especially since they are being operated under dangerous terrain conditions.  Stability and a low center of gravity are important. ...

Some 280+ M113's remain in the inventory, and old surplus ones can be bought for a song. LAV can not be lifted by C-130 over anything but short range at cool sea level conditions, unless you believe in the two billion dollar C-17 fantasy to move a handful of armoured vehicles at a time. A...

The 6V53 engine of the M113 is 1960's technology, very heavy for its performance.  The Volkswagen V10 diesel is an example of what can be accomplished with a clean sheet of paper in terms of power to weight, and given that this or comparable engines are in production for the civilian market...

Despite the large amount of money sunk into the LAVIII, significant numbers of M113 based vehicles remain, as do upgraded versions of the LAVIII's immediate predecessor.  It does not represent a significant technical hurdle to convert M113 vehicles to a wheels and tracks configuration so that...

Agreed.  The future battlespace and OPFOR's will become more vastly more variable and complex in nature, and I do not accept the notion that modern communications and sensors dedicated to long-range engagements against high-value targets only would be justified.  IMHO the requirement is for...

I am not disagreeing with the natural tendency for a company sized grouping as a tactical formation, but more the company becoming a task oriented structure rather than as one with a fixed structure of manpower, vehicles, equipment, and role.  To varying extent, this already is done by temporary...

I am not specifically advocating 'Airborne' in the sense of any sort of elite formation like the previous Airborne Regiment, much of this national force capability would be available in the considerable different structuring, training, and roles of the units of the JTF.  Perhaps the phrasing I...