🚀 go-pugleaf

In article <755000585wnr@ttelmah.demon.co.uk>, Roger Hamlett
<roger@ttelmah.demon.co.uk> writes
>In article: <jhrPXAAIpqfxEwD+@helix.demon.co.uk>  Mike Clarke 
><mike@helix.demon.co.uk> writes:
>> In article <MBXaIDA+hjfxEwVq@hmsl-group.co.uk>, "Max D. Wilkinson"
>> <Max@hmsl-group.co.uk> writes:
>
>> Kid glove treatment was needed back in the Good Old Days when disks were
>> the size of washing machines, and shufled across the floor as the heads
>> moved. Modern disks are much more robust than most people assume, for
>> example Seagate quote a maximum operational shock of 10G and a non
>> operational limit of 75G for their Medalist range. That's more than the
>> human body can stand.
>This is not true. The human body, can take _massive_ momentary shocks,
>it is continuous 'G' loadings, at this high level, that can't be taken. It is
>suprising how _small_ a knock can be, and yet give 'G' loadings well
>above this sort of figure. Drop a disk, even 1", onto a solid surface, such as
>a stone floor, without the small rubber shock absorbers hidden in the
>mounts, and 'G' forces can be >>2-300G. Drop the same disk 10' onto
>a carpeted wooden floor, and instantaneous G forces, will be very much
>lower. It is suprising, to realise, that if you tow an aircraft, with a 'G' 
>recording
>system fitted behind a motor car, figures of 20-30 G, can routinely be
>recorded on the public road.

Bloody h*** now I know why wifey's mini is always breaking down and in
the garage, not to mention why she has always got a headache. I will
just have to uncouple the 737 *before* she goes shopping next time.

hohum

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