Thanks Steve,
So far Subortholene with a plantar EVA infill sounds like the best option
but I'll try to speak to the AMWC in Plymouth.
Best wishes,
Maire Murphy
[log in to unmask]
----- Original Message -----
From: "Stephen Urry" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Monday, September 13, 2004 7:47 AM
Subject: Re: Suitability of orthotic materials in extreme cold
Hi Maire,
Here's another point worthy of consideration.
If your chap is in the middle of nowhere and his orthosis (es) fracture then
what good will all the theory do him - or you? If you want to be safe, and
you're only getting one shot at it, then look for the option with minimal
risk. By the way, I was serious about contacting the AMWC in Plymouth. They
have to live and function efficiently at -40 for extended periods of time. At
the end of the day there is no substitute for experience...
Good luck,
Steve
At 11:09 AM 10/09/2004 +0100, you wrote:
>Thanks Steve.
>Maire
>
>----- Original Message -----
>From: "Stephen Urry" <[log in to unmask]>
>To: <[log in to unmask]>
>Sent: Friday, September 10, 2004 10:21 AM
>Subject: Re: Suitability of orthotic materials in extreme cold
>
>
>Hi Maire,
>
>I don't think it matters too much. The temperature in your boot shouldn't
get
>anywhere near -40. If it does, then the last thing you'll be worrying about
>is what material your orthoses are made of. I've taken my own EVA devices
>to -30 and they didn't appear to be appreciably different to +30. If your
>chap is really worried, tell him to keep his orthoses in his boots when he
>has them on or in his sleeping bag when he has it on. He'll be fine. Failing
>that, 'phone the Royal Marines in Plymouth and ask someone in the Arctic and
>Mountain Warfare Cadre for advice - their insoles used to be plastazote and
>aluminium foil (HM Government was never renowned for spending too much on
>troops footwear).
>
>Regards,
>
>Steve
>
>
>Stephen Urry PhD
>Lecturer
>School of Public Health
>Queensland University of Technology
>Brisbane
>4059
>Australia
>
>CRICOS No 00213J
>
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Stephen Urry PhD
Lecturer
School of Public Health
Queensland University of Technology
Brisbane
4059
Australia
CRICOS No 00213J
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