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Andy Davison (FurTech) - BPL Premium Member

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All Forum Posts by Andy Davison

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Berghaus Zones
Eh! They use more insulation where the body isn't losing heat and less insulation where it is?! They've made an insulating jacket designed to keep you cool-ish! I'm baffled ;-)

In Editor's Roundtable » ISPO 2014, Munich, Part 2
March 06, 2:20am

Perforated Mylar
Thanks for the article and excuse me if I'm repeating what others have said as I haven't read all the comments. I've used Blizzard products quite a lot and found them remarkably warm w...

In Editor's Roundtable » Torso Simulator to test Heat Loss in Outdoor Gear – Radiation
October 03, 3:09am

Tights in the UK
A few observations: I've used loose tights (if that isn't a contradiction in terms) a lot in the UK, particularly for two day adventure races. Commonly I've used Ron Hill's Trackst...

In Editor's Roundtable » Backpacking Tights - Part 1
August 15, 1:44am

Twisted Ankles
Mountain rescue statistics for the UK show that lower leg injuries are the most common. It seems to me that the lower the heel is to uneven ground the less leverage is available to twist the ankle....

In Editor's Roundtable » Considering Minimalist Footwear for Backpacking
November 01, 5:14am

Cool or Cold?
From my experience of walking and fell running in Britain I would find it dangerously cold wearing the minimal items listed in the article on our hills, though I appreciate that they would be perfe...

In Editor's Roundtable » A Lightweight Guide to Backpacking in Sustained, Cold Rain
August 02, 5:06am

Max to min humidities
Thanks again, Will, very interesting and thorough. I was wondering how you account for the different humidities in each jacket at the start of the graphs? Perhaps measuring the differences between...

In Editor's Roundtable » Field Testing Air Permeable Waterproof-Breathable Fabric Technologies Part 3: Discussion, Conclusions, and Performance of Individual Jackets
November 09, 3:14pm

Re: Re: Re: Re: Re: field testing wp jackets
Thanks Eric, I wasn't aware of that. As far as I understand it the rate of breathability will increase when the difference between the inside and outside vapour pressures is greater, so high hu...

In Editor's Roundtable » Field Testing Air Permeable Waterproof-Breathable Fabric Technologies – Part 2: Are There Detectable Differences Under Real World Backpacking Conditions?
November 09, 1:41pm

Re: Re: Re: field testing wp jackets
Quite right, flapping has got to be a big factor, but how much moisture is moved out depends how well the garment is sealed and how much movement there is. I imagine a sack would seal the body of t...

In Editor's Roundtable » Field Testing Air Permeable Waterproof-Breathable Fabric Technologies – Part 2: Are There Detectable Differences Under Real World Backpacking Conditions?
November 09, 12:06pm

Re: field testing wp jackets
Jeffrey wrote "I feel that the bagginess resulted in less sweating out from inside." I too have noticed that oversized garments are more comfortable. I read a PhD thesis (carried out ...

In Editor's Roundtable » Field Testing Air Permeable Waterproof-Breathable Fabric Technologies – Part 2: Are There Detectable Differences Under Real World Backpacking Conditions?
October 31, 5:16am

Re: 99 cent poached wiener wurst
Quite right! I add this comment because it seems to be pertinent to breathability in the rain: Some people contend that when ambient humidity is 100% no breathability occurs. On the face of it th...

In Editor's Roundtable » Field Testing Air Permeable Waterproof-Breathable Fabric Technologies – Part 2: Are There Detectable Differences Under Real World Backpacking Conditions?
October 28, 6:08am

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